Answered: A: A 3 Kg mass of a small train (game)…

A: A 3 Kg mass of a small train (game) moves in an acceleration of 0.9 m/s2. Compute the work done which lead to move the train 2 m in the same direction of the applied force.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 95A

See similar textbooks

Related questions

Q: (a) What is the average useful power output of a person who does 6.00×106 J of useful work in 8.00…

Q: A 115-kg object is initially moving in a straight line with a speed of 50.0 m/s. a.) If it is…

Q: A box of mass m = 51 kg is being pulled by a constant force F = 101 N at an angle q = 15 degrees.…

A: Friction is given as product of normal and friction coefficient.

Q: The figure shows three forces applied to a trunk that moves leftward by 3.29 m over a frictionless…

A: a) Net work done by gravitational or normal force is 0 joules. Because angle between force and…

Q: A person pushes a box of mass m = 25 kg in a straight line along a rough floor. The applied force F…

Q: A truck travels uphill with constant velocity on a highway with a 8.5° slope. A 45-kg package sits…

A: a) As the packet is moving with a constant velocity, the initial and final kinetic energy will be…

Q: A box is pulled 2.0 meters along a rough surface at constant velocity using 100 N force inclined at…

Q: A) A force of 11 pounds is required to hold a spring stretched 0.10.1 feet beyond its natural…

Q: In the attached picture, the mass is 3.20 kg, and = 37 degrees. The surface does have friction,…

A: Given:Mass of the block = 3.20 kgDisplacement = 3.8 mTension = 23 NKinetic friction coefficient =…

Q: (a) How much work is done in lifting a 1.4-kg book off the floor to put it on a desk that is 0.8 m…

Q: A large cruise ship of mass 6.00 x 10? kg has a speed of 12.8 m/s at some instant. (a) What is the…

A: a) Let's use the kinetic energy relation in terms of mass and velocity. Ek=12mv2=12×(6.00×107…

Q: The figure shows three forces applied to a trunk that moves leftward by 3.13 m over a frictionless…

A: The given figure shows the forces applied to a trunk that moves to leftwards by 3.13 m.Given:

Q: A 30 kilogram of box of fruits is being pushed on a cemented floor. If it is pushed on a 4.5-meter…

A: Hi, as this problem contains multiple sub-parts, hence the first three sub-parts will be solved for…

Q: (a) The Eskimo pushes the same 50.0-kg sled over level ground with a force of 1.95 x 10 N exerted…

A: Given: Mass of sled = 50 kg Force, F = 1.95 X 102 N Distance, s = 6.85 m Net work done = 2.6 X 102 J…

Q: (a) What is the kinetic energy of a 65.0 kg sprinter running at 2.30 m/s? (b) How fast must a 3000.0…

Q: A cable pulls an309kg safe up a slope inclined at16°, for 11 m on an very slippery oily surface. The…

Q: A delivery truck from the postal service is traveling with constant velocity up an interstate…

A: The forces on the box is shown below; The friction force acts upwards to counter the gravitational…

Q: What is the minimum work needed to push a 800 kg car 930 m up along a 7.5 ∘ incline? A) Ignore…

A: a)Consider the following diagram of car.

Q: A truck travels uphill with constant velocity on a highway with a 6.5° slope. A 55-kg package sits…

Q: 30. Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: In the attached image, the mass is 3.20 kg, and theta=37 degrees. The surface does have friction,…

A: Given:Mass of the box = 3.2 kgTheta = 37 degreesStatic coefficient=0.45Kinetic…

Q: A 60 kg box is pushed 12 m across a horizontal floor by a horizontal force of 200 N. The coefficient…

A: The mass of the box, m=60 kg The horizontal distance, d=12 m The horizontal force, Fa=200 N

Q: A large cruise ship of mass 6.60 107 kg has a speed of 10.4 m/s at some instant. (a) What is the…

A: Given Data: The mass of a ship is, m=6.60×107 kg The speed of a ship is, v=10.4 m/s Part (a): The…

Q: A skier of mass 80 kg is pulled up a slope by a motor-driven cable. (a) How much work is required…

Q: A supermarket pushcart is being pushed at 45 degrees with respect to the horizontal from the…

A: (a) The force required to move the cart is, F=μmgcosθ Here, μ is coefficient of friction between…

Q: A large cruise ship of mass 6.30 x 107 kg has a speed of 11.8 m/s at some instant. (a) What is the…

A: Given: Mass of ship m=6.30×107 kg, Speed of ship v=11.8 m/s, Displacement s=3.90 km. Required: (a)…

Q: (a) The Eskimo pushes the same 50.0-kg sled over level ground with a force of 1.70 x 102 N exerted…

Q: The figure shows three forces applied to a trunk that moves leftward by 2.70 m over a frictionless…

A: (a) Since the block is moving leftwards, the horizontal components of the forces causes the…

Q: 1. A 4.0 kg particle is moving at a velocity v = V2î – V2ĵ + 3k m/s. (a) (b) What is the particle's…

A: 1. Given m=4 Kg Vi→=2 i^-2j^+3k^ m/sVf→=-2 i^+3k^

Q: A 60 Nt force is exerted on a 5 kg box at an angle of 60° above the horizontal. (a) What is the…

A: NOTE: As per guidelines I can solve first three parts of the question. If you need help with other…

Q: A large cruise ship of mass 6.00 ✕ 107 kg has a speed of 12.4 m/s at some instant. (a) What is the…

Q: Carlo pushes a 35-kg box on a floor level and displaces it 5 m from its initial position. a. If the…

Q: c. The work done on an object is given by the Force multiplied by the distance covered by the object…

A: given lifted distance = 10 m mass of body = 6 kg velocity in horizontal direction = 4.2 m/s…

Q: (a) A force F = (2x1 + 4yĵ), where F is in newtons and x and y are in meters, acts on an object as…

A: In case a) we have dr→=dxi^ and in case b) we have,…

Q: (a) Find the work done by the force on the particle as it moves from x = 0 to x = 2.00 m. (b) Find…

Q: 30

A: The work done on the object is given by, Work done=force×Distance Power can be given by the…

Q: (a) A toy snake has a spring with a force constant of 230 N>m. How much work is required…

A: The work done(W) to stretch or compress a spring by a distance 'x' is given as follows: W = (1/2)kx2…

Q: During a flood, a rescue helicopter was used to lift a 79-kg person to safety. The person has an…

Q: a) What is the kinetic energy of an automobile with a mass of 1299 kg traveling at a speed of 11…

A: The kinetic energy of an object moving with some velocity is given by the relation KE = 12mv2…

Q: A monkey pushes a box of mass 25 kg in a straight line across a rough floor. The applied force F has…

Q: A truck travels uphill with constant velocity on a highway with a 7.5° slope. A 35-kg package sits…

Q: (a) The Eskimo a 50.0-kg sled over level ground with a force of 1.80 102 N exerted horizontally,…

A: (a) The normal reaction acting on the sled is:

Q: You slide a box of books of mass 31 kg at constant speed up a 30°ramp, applying a force of 200 N…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: The figure shows three forces applied to a trunk that moves leftward by 3.28 m over a frictionless…

Concept explainers

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

Question

Q2:
A: A 3 Kg mass of a small train (game) moves in an acceleration of 0.9 m/s2. Compute the work
done which lead to move the train 2 m in the same direction of the applied force.
D=2m

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

VIEW

Step 2

VIEW

Step by step

Solved in 2 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, physics and related others by exploring similar questions and additional content below.

Similar questions

Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0 incline. The coefficient of kinetic friction between the block and the incline is k = 0.436. Determine (a) the work done by the force of gravity, (b) the work done by the friction force between block and incline, and (c) the work done by the normal force. (d) Qualitatively, how would the answers change if a shorter ramp at a steeper angle were used to span the same vertical height?
Compare the work required to accelerate a car of mass 2000 kg from 30.0 to 400 km/h with that required for an acceleration from 50.0 to 60.0 km/h.
Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0 incline. The coefficient of kinetic friction between the block and the incline is k = 0.436. Determine (a) the work done by the force of gravity, (b) the work done by the friction force between block and incline, and (c) the work done by the normal force. (d) Qualitatively, how would the answers change if a shorter ramp at a steeper angle were used to span the same vertical height?
A roller-coaster car (Fig. P6.16) has a mass of 500 kg when fully loaded with passengers. The path of the ca coaster from its initial point shown in the figure to point involves only up-and-down motion (as seen by the riders), with no motion to the left or right, (a) If the vehicle has a speed of 20.0 m/s at point . what is the force exerted by the track on the car at this point? (b) What is the maximum speed the vehicle can have at point and still remain on the track? Assume the roller-coaster tracks at points andl are parts of vertical circles of radius r1 = 10.0 m and i2 = 15.0 m, respectively.
The system shown in Figure P5.43 is used to lift an object of mass m = 76.0 kg. A constant downward force of magnitude F is applied to the loose end of the rope such that the hanging object moves upward at constant speed. Neglecting the masses of the rope and pulleys, find (a) the required value of F, (b) the tensions T1, T2, and T3, and (c) the work done by the applied force in raising the object a distance of 1.80 m. Figure P5.43
A 30.0-kg child starting from rest slides down a water slide with a vertical height of 10.0 m. What is the childs speed (a) halfway down the slides vertical distance and (b) three-fourths of the way down? (Neglect friction.)
The "shot" used in the shot-put event is a metal ball with a mass of 7.3 kg. When thrown in Olympic competition, it is accelerated to a speed of about 14 m/s. As an approximation, let's say that the athlete exerts a constant force on the shot while throwing it and that it moves a distance of 3 m while accelerating. (a) What is the shot's kinetic energy? (b) Compute the force that acts on the shot. (c) It takes about 0.5 s to accelerate the shot. Compute the power required. Convert your answer to horsepower.
The system shown in Figure P5.43 is used to lift an object of mass m = 76.0 kg. A constant downward force of magnitude F is applied to the loose end of the rope such that the hanging object moves upward at constant speed. Neglecting the masses of the rope and pulleys, find (a) the required value of F, (b) the tensions T1, T2, and T3, and (c) the work done by the applied force in raising the object a distance of 1.80 m. Figure P5.43
A student expends 7.5 W of power in lifting a textbook 0.50 m in 1.0 s with a constant velocity. (a) How much work is done, and (b) how much does the book weigh (in newtons)? The answers to Confidence Exercises may be found at the back of the book.
Review. A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00 m down the incline in 1.50 s. Find (a) the magnitude of the acceleration of the block, (b) the coefficient of kinetic friction between block and plane, (c) the friction force acting on the block, and (d) the speed of the block after it has slid 2.00 m.
. A compact car can climb a hill in 10 s. The top of the hill is 30 in higher than the bottom, and the car’s mass is 1,000 kg. What is the power output of the car?
A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?