A roller coaster approaches a hill, traveling at 40m/s. The roller coaster has a mass of 800 kg. When it reaches the top of the hill, it has exactly zero velocity. What is the height of the hill?
Q: A simple harmonic oscillator's velocity is given by vy(t)=(0.710 m/s)sin(11.2t − 5.85) Find the…
A: Given, The velocity of a simple harmonic oscillator vy=0.710 m/s×sin 11.2 t - 5.85 ---- (1) We have…
Q: A solenoid of radius 2.30 cm has 560 turns and a length of 25.0 cm. (a) Find its inductance. mH (b)…
A:
Q: Gas is confined in a tank at a pressure of 10 atm and a temperature of 15◦C. If 51 percent of the…
A:
Q: was just wondering how you got 22 and 62 for t2 in - ht=ut-12gt20
A:
Q: A lab cart with a mass of 567 grams has an initial speed of 1.23 meters per second. While the cart…
A: Given Datamass of cart m = 567 g = 0.567 kginitial speed u = 1.23 m/sdistance s = 35.3 cm = 0.353…
Q: An airplane flies in a horizontal circle at a speed of 485 The wings of the aircraft are at an angle…
A:
Q: A 120 N iron ball rests on a 20° smooth incline. What is the tension in the rope, hung at 40° below…
A:
Q: An object has a 50.0 N force pushing down on it and a 50.0 N force pushing up on it. If the object…
A: Upward force =50N Downward force =50N Net force = 0N
Q: How many degrees celcius does someone need to raise the temperature of a copper rod in order to…
A:
Q: Point charges qA = -6.5 nC is located at (0, 0) and qB = 7.6 nC is located at (2.0 m, 0). What is…
A: Electric field = 61.9 N/C
Q: Hello! The answer to Ex (-9.27) on here says it is incorrect.
A: Given:- The initial velocity of the electron is as vi= 10j^+14.5k^ km/s vi= 10×103j^+14.5×103k^ m/s…
Q: A concave mirror has a focal length of 15 cm. What is the magnification if the object's distance is…
A: Given, The focal length of the concave mirror (f) = -15 cm =-0.15 m (Applying the sign convention)…
Q: The reflecting surfaces of two mirrors form a vertex with an angle of 105∘. If a ray of light…
A:
Q: Radio Emissions from Jupiter that can be detected on Earth falls between the frequency range of 8MHz…
A: Given data: Frequency f = 20.1 MHz
Q: Show that the resultant wave formed by the overlapping of two harmonic waves of the same wavelength…
A: Introduction:- Stationary wave:- We know that the stationary wave is also known as the standing…
Q: Find uso the block slides to the right at a constant speed of 2 m/s. ≤ x = 0 8 kg 30° 60 N Tx-Ff=0…
A:
Q: Consider the vectors a = 6i +2j+9k and b = 7i- 6j - 6k, where i, j, and k are mutually-…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Problem 1 A 0.30 kg mass on a horizontal frictionless surface is connected to a wall by a horizontal…
A:
Q: A 175 g lump of molten lead at its melting point (327°C) is placed into 55.0 g of water at 20.0°C.…
A:
Q: A block of mass m = 2 kg is being pushed towards a wall with a force of magnitude F 20 N at an angle…
A:
Q: 1.What is the magnitude of her vertical acceleration? 2.What is the magnitude of her horizontal…
A: Mass, m = 70 kg In vertical direction , upwards lift force = 511 N downwards gravitational force =…
Q: ★ 4) Consider two long (but not infinite) solid cylinders with total charge & deposited in two…
A:
Q: 5. A 15.0-cm long cylinder has a moveable piston with radius 2.00 cm. (a) what is the volume of the…
A: Length of cylinder=L=15 CM Radius of cylinder (r) =2Cm Volume of cylinder (V) =πr2 L=3.14*(0.02m)2…
Q: A wagon wheel is constructed as shown in (Figure 1). The radius of the wheel is 0.300 m, and the rim…
A: Given, A wagon wheel is made up of a rim and 8 spokes . Mass of rim is 1.32 kg and radius 0.300 m .…
Q: The wire loop shown below carries a current I in the direction indicated by the purple arrows.…
A: Note that the segments ab and cd do not contribute to any magnetic field at center. The field due to…
Q: Where is the acceleration
A:
Q: What is the final equilibrium temperature when 15 g of milk at 27◦C is added to 180 g of coffee at…
A:
Q: a- We look at a cardboard box from above. The box weighs 28 N. It is on a smooth surface with which…
A:
Q: Would it be a minus sign instead of a positive one ?
A: Yes , it would minus sign. Complete solution is below.
Q: A cargo ship of mass 80000 metric tonnes is floating in the Great Lakes. The Great Lakes are fresh…
A: (1) Write the given data = Mass of cargo ship m=80000 metric tonnes Density ρ=1000 kgm3Volume of…
Q: The four masses shown in FIGURE EX12.13 are connected by massless, rigid rods. a. Find the…
A: Given data: A figure is given in which 4 masses A, B, C and D are arranged at some significant…
Q: Find the acceleration of the block as it slides to the right. 120 N {F=ma 20⁰ 7 kg μ=0.2 1201 ак был…
A: Given Information:- Mass of the block is m=7 kg Applied force is F=120 N Coefficient of friction is…
Q: When a roasted chicken was removed from a turbo broiler, its temperature is measured. Three minutes…
A:
Q: 8. A resistance of 100 , a capacitor of capacitive reactance 20 92, and an inductor of inductive…
A:
Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…
A: Introduction: 1) Half life of a radioactive isotope is the time it takes for a quantity of the…
Q: The half-life, T, for a particular radioactive element is 23 min. Find the decay rate of the…
A: The relationship between half life and decay constant is λ=0.693/t1/2
Q: Some University Physics students are studying periodic motion using an oscillating mass on a spring.…
A:
Q: There are two points or on a disk with point 1 having a radius of 20 cm and point 2 has a radius of…
A: linear velocity (v) v=rωr is radiusω is angular velocity given two points first…
Q: The tower can be approximated as a vertical iron beam that is 300 m tall in winter when it is 35…
A: The length of the tower is given by l=l01+α∆T Using this we can calculate the length of tower in…
Q: 1. A hippo is dozing under water with only its small nostrils sticking out. It has a mass of 2700 kg…
A: Since you have posted multiple questions, we will provide the solutiononly to the first question as…
Q: Problem #7: When a 6 kg mass is attached to a spring whose constant is 24 N/m, it comes to rest in…
A:
Q: A toroid having a rectangular cross section (a = 2.00 cm by b = 3.00 cm) and inner radius R = 3.95…
A:
Q: 2. A nozzle with an area of 0.3 cm2 is attached to a garden hose with an area of 1.8 cm2. The flow…
A:
Q: A torque of 50 Nm producing a counterclockwise rotation is applied to a wheel about its axle. A…
A:
Q: An electron that is moving through a uniform magnetic field has a velocity v = (30 km/s)i + 25…
A:
Q: 19-77/ A satellite in a circular orbit 1000 km above Earth's surface has total mechanical energy U.…
A:
Q: Figure 2 H -0000-00 < 1 of 1 Part C If the current enters the inductor from the bottom, can you tell…
A: Given,
Q: A single loop of steel wire, lying flat in a plane, has an area of 7.80 cm² and a resistance of 1.80…
A:
Q: A 40.0-N box starts sliding from rest down a rough ramp 6.00 m long, inclined at 30.0 degrees from…
A:
Q: A 5 cm object is placed 23 cm from a converging lens. If the focal length is 10 cm. a) What type of…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Remember to include given information, basic equations, calculations, and solutions with correct units for full credit. You are NOT to use kinematics unless otherwise stated. Captain America (100. kg) lunges vertically into the air, leaving the ground at 25.0 m/s and comes to a stop midair. a. How much work is done on him by gravity? b. Using the work–energy theorem, to what height did he reach?a) The acceleration of a 5.0 kg box is 2.5 ms?. when a horizontal force is applied across a surface having a coefficient of friction of 0.5, as shown in Figure 3. a = 2.5 ms-2 7 kg Hk = 0.5 Figure 3 Find the work done over a distance of 25 cm by ix. the horizontal force the frictional force, and Х. xi. the net force. xi. what is the change in kinetic energy of the box?KE = 2 mv2 Kinetic Energy Directions: Fill out everything for each problem. Write neatly! 1) A unicorn suddenly ran through the school at 5.6 m/s and it has a mass of 450 kg. What is the unicorn's kinetic energy?
- A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a speed of 20.0 m/s at point A, what is the speed at point B. 15.0 ml 10.0 mSuppose a force of 60 N is required to stretch and hold a spring 0.1 m from its equilibrium position. a. Assuming the spring obeys Hooke's law, find the spring constant k. b. How much work is required to compress the spring 0.6 m from its equilibrium position? c. How much work is required to stretch the spring 0.2 m from its equilibrium position? d. How much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. k= (Type an integer or a decimal.) b. Set up the integral that gives the work done in compressing the spring 0.6 m from its equilibrium position. Use decreasing limits of integration. (Type exact answers.) Find the work done in compressing the spring. The work is (Type an integer or a decimal.) c. Set up the integral that gives the work done in stretching the spring 0.2 m from its equilibrium position. Use increasing limits of integration. dx (Type exact answers.) Find the work done in stretching the spring. The…001 to il ow m, = 500 g me. m, = 200 g hg ho = 3.00 m Diagram for problem 52. Diagram for problem 53. *53. What is the total energy of the Atwood's machine in the position shown in the diagram? If the blocks are released and m falls through a distance of 1.00 m, what is the kinetic and potential energy of each block, and what are their velocities?
- A certain sprìng whose normal length is 42 cm is stretched 6.3 cm by a force of 18 N. How much work is done in stretching the spring from its normal length to a length of 44.7 cm? work= Number N. m Round your answer to 4 decimal places01: Suppose a force F proportional to Energy; Velocity; and time. Find the formula of the force equation using dimensional analysis. 02: chose the correct answer: (show your answer) A. How much time will be required to perform 520 J of work at the rate of 0.027 hp? (a) 24s (c) 20 s (d) 26 s (b) 16s B. A students caries a bag weighing 11.025 lbm from the ground floor to his class on the first floor that is 78.74 in high. The work done by the boy is (a) 1 J (c) 100 J (d) 1000 J (b) 10 J C. The potential energy of a system increases, if work is done (a) by the system against a conservative force (b) by the system against a non-conservative force (c) upon the system by a conservative force (d) upon the system by a non-conservative force1. A ball rolls off a table. +X X = 0 a. How long does it take to fall 0.80 meters to the floor? Show all of your work. b. How far does it travel horizontally while it's falling? Its initial horizontal velocity is 2.5 meters / second. Show all of your work. 2.5 m/s 0.80 m
- A 15 kg crate has potential energy of 225j. How high is the crate lifted? Use g= 9.8m/s^2. DONT round your answer and choose one correct answer with the correct unit of measure. a. 22.9591 m b. 0.6533 m c. 1.53061 m d. 15.3061 m4. Shawn was driving his car too fast. He was moving with a kinetic energy of 677,000 J. The mass of his car was 2100 kg. Answer Show your work A. Calculate the speed of the car.elp O Tell me what you want to do Editing v Dv Av A 三くmく Styles v Find a Reuse Files 6. What distance is a rock from the floor if the rock contains 175 Joules of potential energy and has a mass of 25 kg? 7. An car is sitting on a hill which is 20 m higher than ground level. Find the mass of the car if it contains 362,600 J of potential energy. 8. An car is sitting on a hill which is 30 m higher than ground level. Find the mass of the car if it contains 636,000 J of potential energy- 9. An car is sitting on a hill which is 50 m higher than ground level. Find the mass of the car if it contains 800,500 J of potential energy. 10.Calculate the kinetic energy of a rock that has a mass of 55 kg rolling down a hill with a velocity of 8 m/s.