Q4 (i) A 1200 kg car driving downhill goes from an altitude of 70 m to 40 m above sea level and accelerates from 11 m/s to 23 m/s. (a) (b) (c) (d) How much potential energy did the car lose? How much kinetic energy did it gain? How much energy is unaccounted for? Where did this energy go?

Q4 (i) A 1200 kg car driving downhill goes from an altitude of 70 m to 40 m above sea level and accelerates from 11 m/s to 23 m/s. (a) (b) (c) (d) How much potential energy did the car lose? How much kinetic energy did it gain? How much energy is unaccounted for? Where did this energy go?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

See similar textbooks

Related questions

Q: b) For correct operation as an ac amplifier a JFET must be correctly DC biased to establish an…

A: For the given circuit the role of the resistor needs to be provided.

Q: series resonant inverter with series loaded delivers a load power of P=4000W at resonance. The load…

A: P = 4000 W R = 10 ohm f0 = 20 kHz

Q: Determine the total capacitance, in nF, of a parallel-plate capacitor having three dielectrics in…

A: We can use the formula: 1/Ctotal = 1/C1 + 1/C2 + 1/C3 Given values C1 = 71 nF C2 = 90 nF C3 = 19…

Q: Q.6 A power plant has a maximum demand of 120 MW, load factor of 85% and the capacity factor of 60%,…

A: A power plant- Maximum demand=120 MW, Capacity factor=60%, Load factor=85%, To Find- The values of -…

Q: The three phase (11 kV, 500 MVA) circuit breaker suddenly closes on to a fault. Determine (a) the…

A: We have given the Voltage (V)=11KV Apparent power =500MVA need to solve the Symmetric breaking…

Q: TOOT 10 6v ² 2002 52 Find RT for the circuit Show below

A: here we have to find the total resistance. we have taken that the all the resistors given in the…

Q: 1. The full-wave controlled bridge rectifier shown has an ac input of 120 V rms at 60 Hz and a 502…

A: The above question is based on a single-phase full-wave rectifier with a resistive load. Standard…

Q: Consider the decaying exponential function x (t) illustrated in Figure 10. Find the Fourier…

Q: a) Why is a voltage-controlled current source used to model the 'active' behaviou of any Field…

A: In the field effect transistor, the drain current is controlled by gate voltage.The channel…

Q: A series RLC circuit consists of an 852 resistor, a but capacitor 50 mH inductor as is shown. An…

A: A series RLC circuit is given We need to calculate a) resonant frequency. b) at half resonant…

Q: Given this question for PMDC motor 1) Write the equations of motion for the DC motor in time domain…

A: It is asked to determine the equations of motion for the DC motor in time domain and s-domain.

Q: A germanium diode draws 32 mA with the forward bias 0.27 V. If T-300 K calculate the reverse…

A: If =32 mA Vf = 270 mV T = 300 K

Q: Find the total response iL(t) when the input voltage changes from 4 ADC to 3 ADC. R = 4Ω, L = 10mH,…

A: The circuit diagram is shown below, Where, R = 4Ω. L = 10mH. C = 22µF.

Q: A DC Optimal Power Flow problem consists of a 3-bus network. The per-unit reactances of the lines…

A: The power flow limit on transmission line 2-3 = 500 MW SBase = 125 MVA Power flow limit on…

Q: In the given ideal operational amplifier circuit, a) Express vo in terms of v.. b) If v, (t) =…

A: casecaded op-amp circuit

Q: Problem 5 A 19, 100 kVA, 1000/100 V transformer gave the following test results: open-circuit test…

A: In this question we need to find the following Determine the rated voltage and rated current for…

Q: C(s) 9 2 +9. s(s + j3)(s − j3) = (-) (₁²49)

A: Cs = 1s9s2+9

Q: In the field of antenna engineering, a crucial aspect of antenna design involves the concept of…

A: In antenna engineering, electromagnetic radiation plays a fundamental role in the design and…

Q: Given table 2 as below. Simplify the equation using Product Of Sum. Express your solution steps by…

Q: Using a d.c. voltmeter and a.c. voltmeter to measure the output filter of a power supply, the obtain…

A: Output voltage measured by using DC voltmeter VO-dc=25 V. Output voltage measured by using AC…

Q: Problem 4 Assume that a single-phase, two-winding transformer has a core loss of 1500 W. The…

A: As per the guidelines of Bartleby we suppose to answer first three subpart only for solution of…

Q: (a) A control plant is described by the following state-space equation [x₂(k+1)] _ _[x₂(k)],…

A: From the given state space model the transfer function of the system needs to be calculated and the…

Q: The initial values of i1 and i2 in the circuitshown (6.4) are 60 A and 240 A, respectively. The…

A: Given : L1= 18 mH , L2 = 131 mH Initial currents are I1= 60A , I2= 240A v= -30 e-5t mVhere…

Q: A resistor is connected in series with a LED. The LED requires a forward voltage of 2v and a current…

A: For the given LED circuit the required value of resistor need to be calculated and the observation…

Q: For the network shown below, determine the current i(t) for t > 0.

A: The current through the inductor in the given circuit needs to be calculated and the same can be…

Q: 4. On the Amplifier below (VCC-VEE-10V), B = 100 and vt-25mV a. find IE b. Gain (Vo/Vi) c. Zin and…

A: voltages Vcc = 10 VVEE = 10 V current gain β= 100 thermal voltage Vt = 25 mV

Q: Draw a filter circuit (High pass filter) Using a resistance and coil and plot the frequency range?

A: Need to design the High Pass FIlter using the resistance and coil and also the frequency response…

Q: Find the Boolean algebra expression for the following system.

A: It is given that:

Q: Q 1(c) The frequency spectrum of an input signal and the frequency-domain impulse response of a…

A: Solution: Determine : here we plot the frequency spectrum of the output of the filter for the input.

Q: 1. Express the signals shown in Fig. 1 in terms of unit step functions. x(1) 3 2 1 -10 I 2 Fig. 1 3…

A: We need to write the given signal in term of step function .

Q: 2. Define system type. Determine the position-velocity-acceleration error coefficients K(s + 1) s…

A: Given: Forward path gain, G's=Ks+1s+0.1, with controller transfer function, Cs=1ss+3, To find: i)…

Q: d) Now sketch the ac circuit model of the amplifier shown in figure 3.1. Using the Q-point…

A: For the given BJT CE amplifier circuit the AC model of the circuit needs to be drawn and the voltage…

Q: Define state variables, write all four state model equations to find the state model (A, B,C,D…

A: The above question is based on the state space model of an electrical network. Note, here i1 and i2…

Q: 2. A certain passive network has equivalent impedance Z = 3 + j40 and an applied voltage v(t) = 42.5…

A: 2

Q: Vo(s) Vi(s)' networks shown below. Repeat the same with the Nodal analysis. Q1) Find the transfer…

A: For the given electrical network the transfer function needs to be calculated by using the mesh…

Q: Find the average value of signal shown below x(1) +3 # 70 π/2 a)-0.66 b) 0 37/2 c) 0.25 2f t d) none

Q: In the experiment what is the given AC supply R=1500 set-up, Inductance in the 2.300 V L=?

A: Given circuit diagram is,

Q: Briefly explain about parameters and samples

Q: A band limited signal has the following Fourier series representation: is (t) = 10+ 6cos(2nt +30°)+…

A: The circuit diagram,

Q: ? By using Current Divider Rule (CDR) find i1 & i2 + 11 12

A: The circuit is given that:

Q: 1.8 The voltage across a 1.1-kW toaster that produces a current of 10 A is: (a) 11 kV (b) 1100 V (c)…

A: given power = 1.1 kW and current =10A here we have to find the voltage across the toaster.

Q: Ohm's law describes the relation of voltage difference and current passing across an element. Select…

A: Introduction of Ohm's law it has to determine whether the given statement is true or false.

Q: A 79.4 transmission line has an effective dielectric constant of 6.4 (permeability is 1). Find the…

A: Given Data:-- C is the desired capacitance (1.6 pF = 1.6 × 10(-12) F)- εr is the effective…

Q: √n²+2 Q1: let the sequence x(n)= 1 + 2n 0 3≤n≤4 -1≤n≤0 other wise 1-y₁(n)= 2x(2n+2)_2-y₂(n)=…

Q: 30/0° V 4Ω www V₁ ell 40/60° V (+ j4Ω V2 -1Ω www 2 Ω

A: In this question we need to find the V1 and V2 in the circuit shown in given Fig.

Q: Construct a 4-to-16-line decoder with five 2-to-4-line decoders with enable.

A: The 4 to 16 line decoder needs to be designed by using five numbers of 2 to 4 decoder along with the…

Q: A power system has 200 buses including 40 generator buses. For the load flow analysis using…

A: Number of busbar is given n = 200. Total number of generators given as = 40.

Q: Primary A mom moo moo Neutral CT Explain in detail. Secondary Y voor moo CT A णि elle OR Y 3 Earth…

A: This type of fault occurs due to the short circuit of the live wire (conductor) and the earth.…

Q: In wirebonding, what material is used to connect the chip/die to the leadframe? a. copper…

A: Step-1-> what material is used to connect the chip/die to the leadframe.

Q: 2.) what is the power output of 502 resistor?

A: It is given that:

Question

Answer the followuing question regarding energy

Q4
(i)
A 1200 kg car driving downhill goes from an altitude of 70 m to 40 m
above sea level and accelerates from 11 m/s to 23 m/s.
(a)
(b)
(c)
(d)
How much potential energy did the car lose?
How much kinetic energy did it gain?
How much energy is unaccounted for?
Where did this energy go?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduction

VIEW

Step 2: a) how much potential energy did car loose

VIEW

Step 3: b)kinetic energy gained by car

VIEW

Step 4: c)Unaccountable energy

VIEW

Step 5: Where did unaccountable energy go

VIEW

Solution

VIEW

Step by step

Solved in 6 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Flowing wind has a. 72 percent of carbon dioxide b. Constant kinetic energy c. Variable kinetic energy d. 21 percent of moisture
What are the primary dimensions of electric voltage (E)? (Hint: Make use of the fact that electric power is equal to voltage times current.) When performing a dimensional analysis, one of the first steps is to list the primary dimensions of each relevant parameter. It is handy to have a table of parameters and their primary dimensions. We have started such a table for you in which we have included some of the basic parameters commonly encountered in fluid mechanics.add to this table. You should be able to build up a table with dozens of parameters
The dimensions of Kinetic energy is same as that of a) Force b) Pressure d) Momentum
blem 062 Z Your answer is partially correct. Try again. A 200 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 4.4 N/cm (see the figure). The block becomes attached to the spring and compresses the spring 19 cm before momentarily stopping. While the spring is being compressed, what work is done on the block by (a) the gravitational force on it and (b) the spring force? (c) What is the speed of the block just before it hits the spring? (Assume that friction is negligible.) (d) If the speed at impact is doubled, what is the maximum compression of the spring? (a) Number Units (b) Number Units UnitšT m/s (c) Number T edugen/shared/assignment/test/aglist.uni?id=.. 9:37 PM o search の ENG 4/4/2021 ASUS prt sc DOuse breal 17 ロ/ロ 1ohome f10 end 3 4 8. wwww 96
B2. Determine the resistance of an aluminium coil of 1.4 cm as diameter consists of 15600 turns and the mean length per turn is 43 cm. Take the electrical resistivity aluminium coil as 0.018 μ0-m. The area in cm² is The total length in m is The resistance of the coil in 2 is
1) In a certain circuit battery is draining out 5 times more quickly than expected for normal operation what could be the possible cause for this and how did you conclude it. 2) Why AC current is preferred over DC current for high power electrical circuits. 3) Initial current across a capacitor connected across a DC source is huge and initial voltage is zero, explain why this is so. 4) Explain the working of AC generator in your own words. 5) In a Wheatstone bridge circuit a student connects a motor in place of galvanometer and is trying to find unknown resistance using formula when he adjusts variable resistor and observes that motor is no more rotating. Do you agree with his technique or not explain with reasoning. 6) What does a negative value of loop current indicates in Mesh Analysis and Method of Branch Currents, and also comment on if there a way to avoid this negative sign appearing for loop current's value.
A straight wire is 15cm lung carrying a current of 6.0 A is uniform Field of 4000 G a) Compute Force on the wire when it is at right angles to the Field b) Compute force on the wire when it is at 30° to the field.
Which statement is true about touch and step potentials: Select one: O a. Both of them can cause electric shock O b. Touch potential can be reduced by increasing the ground resistance of grounded structures. O c. Step potential can be minimized if a person increases his step length As the torque on synchronous motor increases, the motor speed O a. increases O b. remains constant O c. reduces
What is the force F on the 1.0 nC charge in the middle of Figure 2 due to the four other charges? Notice:Give your answer in component form(in x and y components). Along with calculations also write theory to help me understand,i have got stuck with different answers to this question,plz help me answering properly.
Question Completion Status: > A Moving to another question will save this response. èstion 4 Two charges of - Q are 1 cm apart. If one of the charges is replaced by a charge of +Q, the magnitude of the force between them is smaller the same O zero larger > A Moving to another question will save this response. P Type here to search a
A square bar of 1 cm dimension and 30 cm long formed into a ring leaving an air gap at both ends of 1 cm length. The relative permeability of steel is 2000. A 1000 turns coil is wound in the ring and 3 A current flows through the coil. What is the flux density?
A certain lead acid storage battery has a mass of 30 kg. Starting from a fully chargedstate, it can supply 5 amperes for 24 hours with a terminal voltage of 12 V before it is totallydischarged.a. If the energy stored in the fully charged battery is used to lift the battery with 100-percentefficiency, what height is attained? Assume that the acceleration due to gravity is 9.8 m/s2and is constant with height.b. If the energy stored is used to accelerate the battery with 100-percent efficiency, whatvelocity is attained?c. Gasoline contains about 4.5 x 107 J/kg. Compare this with the energy content per unitmass for the fully charged battery.