In what direction will the compass needle point for the following diagram? electron flow east west north south

Q: A 4-kg block is placed at point 1 on the track that is 3.5 m above the ground. Paths 1-2 and 3-4 are…

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Q: Find the Current Voltage-44 Volt Resistance-5.5 Ohm

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Q: Q5) A person with severe myopia has a far point (a). (20cm) What is the strength of the lenses The…

A: The correct option is (B) (a) -5.00D (b) -5.00D

Q: If a 1300 kg car can accelerate from 30 km/h to 60 km/h in 3.9 s , how long will it take to…

A: Mass of car, m = 1300 kg Velocities are,  v1 = 30 km/h = 30*(1000m/3600s) => v1 = 8.33 m/s v2 =…

Q: 43) What is the change in entropy when 15.0 g of water at 100°C are turned into steam at 100°C? The…

A: Write the given values with the suitable variables. m=15 g=0.015 kgT=100 °C=373 KLv=22.6×105 J/kg…

Q: Find the final velocity of car U=2 m/s t=22 s a=2.44 m/s2

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Q: PRACTICE PROBLEM 2.3: Find the conductance Geg for the circuit in Figure below. Gea Answer: 10 S. 5S…

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Q: 35) An ideal gas undergoes an isothermal expansion. During this process, its entropy A) remains…

A: During expansion, Volume increases and energy is lost due to the work done, W = -2.303 nRT…

Q: = M6) if This means (-0.333: the magnification is for his lens OT The image is upside down and one…

A: Negative magnification means the image is an inverted image and positive magnification means the…

Q: (13) A spring has an overall length of 44.0in & sustains a load of 15,000lb @its center. The spring…

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Q: A bus is 106 m long runs at 12 m/s. Find the time ?

A: Introduction :  In this question we are provided with value of distance and speed . With these data…

Q: Whenever the net force on a body is zero, its acceleration A) is also zero; B) cannot be equal to…

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Q: A 40 cm long copper wire carries a current of 6 A and weighs 0.35 N. A certain magnetic field is…

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Q: 1. What resistance must be placed in parallel with a 12 Q2 resistor to obtain a combined resistance…

A: We have two resistances of magnitude R1=12 ohm and say R2 which are placed in parallel combination…

Q: A 16 N force produce a moment of 64 Nm. the moment arm is; 4m O √2m O 2 m O 8m O O O

A: Given: Force = 16 N Torque = 64 Nm

Q: A solenoid has n turns per length and carries a current I. What is the magnetic field at its center

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Q: Find the Current Voltage-44 Volt Resistance-5.5 Ohm

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Q: R(t) = At² exp(-Bt), where A and B are constants, and t is the time in seconds, for the numerical…

A: Given  (a) R(t) = At2 exp(-Bt)         =At2 e-Bt   Unit  of  rate  is    s-1 Therefore ,  unit of…

Q: Find the Force Impulse=20 N*s Time=2 s

A: Given data:  Impulse (I) = 20 N.s Time (t) = 2 s Required: Force (F)

Q: Table 1: Angular displacement, linear distance, work, and power data Video # Load (kp) Pedal…

A: From the given data table draw the graph using excel sheet and also fix the label the x-axis and…

Q: The following sound exposure levels for four aircraft flyovers were measured in a 1-h period: 83.0,…

A: The given information: The sound levels for four aircraft flyovers measured in 1 h time period are…

Q: 2. A rock is suspended by a string wound around a fixed pulley. The rock accelerates down- ward.…

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Q: 5.00 Ω . 25.0 V 10.0 Ω ΜΗ 10.0 Ω Μ ww 5.00 Ω - 20.0 Ω

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Q: A particle moves along a straight line such that its displacement at any time (t) is given by…

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Q: Force per unit charge is known as O Electrical potential O Electric flux O Current O Electrical…

A: to solve given mcq -

Q: Oceans cover 71% of the surface of the Earth, and have an average depth of 3700 m. The planet has an…

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Q: 12. A car is travelling in a direction given as [35°N of W]. The vector diagram that correctly…

A: Please note : As per answering guidelines I can answer the first question only. Since, each question…

Q: 16) The figure shows a graph of the temperature of a pure substance as a function of time as heat is…

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Q: When a 10-volt battery is connected to a resistor, the current in the resistor is 2 A. What is the…

A: From the Ohm's law,  V = IR where, V =potential difference or voltage I = Current in circuit R =…

Q: . Light travels through a single-slit and forms an interference pattern. The spacing of the dark…

A: The spacing between the dark fringes on one side of the pattern = 1.44 cm

Q: A block of certain weight 89 kN starts at point A of a frictionless arc slide of radius equal to 2m…

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Q: The speed at which a grandfather clock runs is controlled by a swinging pendulum. a) If you find…

A: The speed at which a grandfather clock runs is controlled by a swinging pendulum

Q: 25) A person with severe myopia has a far point (a). (20cm) What is the strength of the lenses The…

A: The correct answer is option (b)  (a) -5.00D (b) -5.00D

Q: 1).  A 650 kg satellite orbits Earth with a speed of 5.3 km/s at a distance of 3.5x 107 m from…

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Q: I can not see the equation clearly. Can you show it  in other method or by handwrite?

A: Please see the answer below.

Q: Force per unit charge is known as O Current O Electric flux O Electrical potential O Electrical…

A: Given :-   Force per unit charge is known as

Q: Find the Distance covered by train Speed-700 km/hr Time=5 hr

A: Speed of the train, v=700 km/hr Time, t=5 hr The unit of distance is a meter.

Q: A person tosses a quarter off of the Eiffel tower (h = 324 m) with a downward velocity of magnitude…

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Q: Two point charges are positioned in the x-y plane as shown in the figure. 90 80 70 60 50 Q1 0 10 20…

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Q: A car traveling at 20 m/s when the driver sees a child standing in the road. He takes 0.80 s to…

A: SOlution: Given that speed u = 20 m/s time t = 0.8 s acceleration = -7m/s2

Q: A 40 cm long copper wire carries a current of 6 A and weighs 0.35 N. A certain magnetic field is…

A:

Q: A 4-kg block is placed at point 1 on the track that is 3.5 m above the ground. Paths 1-2 and 3-4 are…

A: Write the given values with the suitable variables. m=4 kgh1=3.5 md=2 mμ=0.25 Here, m, h1, d, and μ…

Q: (c) (i) The artificial radioactive isotope of hydrogen H, called tritium, has a half life of 12.33…

A: The solution for this question is given below...

Q: Consider an electron and a proton separated by a distance of 3.0 nm. Mass of electron =…

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Q: A force 1500N exists between two identical point charges separated by a distance of 30cm. Calculate…

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Q: An observant fan at a baseball game notices that the radio commentators have lowered a microphone…

A: Write the given values with the suitable variables. n=12t=60 s Here, n is the number of oscillations…

Q: Alpha particles (mass = 6.7 × 10^-27 kg, q = +2e) are accelerated from rest through a potential…

A: Apply the work-energy theorem to determine the velocity of alpha particles

Q: How are stationary waves formed in closed pipes ? Explain the various modes of vibration and obtain…

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Q: All I need is the letter of the correct answer. 27) When a constant unbalanced force acts on an…

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