A small model car with mass m travels at constant speed v on the inside of a track that is a verticalCircle with radius 5.00 m. If the normal force exerted by the track on the car when it is at the bottomof the track (point A) is equal to 19.8 KN and at the top of the track (point B) is equal to 2.92 KN,what is the weight of the car?Note: Your answer is assumed to be reduced to the highest power possible.Your Answer:Answer5.00mx10units 20 mAnswer15 mRoughA stone of mass m slides down a snow-covered hill shown in the figure, leaving point A at a speedof 10.0 m/s. There is no friction on the hill between points A and B, but there is friction on the levelground at the bottom of the hill, between B and the wall. After entering the rough horizontal region,the stone travels 75.0 m and then runs into a very long, light spring with force constant 2.00 N/m.The coefficient of kinetic friction between the stone and the horizontal ground is 0.234. If the stonecompresses the spring a distance of 22.5 m, what is the mass of the stone m?Note: Your answer is assumed to be reduced to the highest power possible.Your Answer:x10Bunits

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small model car with mass m travels at constant speed v on the inside of a track that is a vertical ircle with radius 5.00 m. If the normal force exerted by the track on the car when it is at the bottom of the track (point A) is equal to 19.8 kN and at the top of the track (point B) is equal to 2.92 kN, what is the weight of the car? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer 5.00m x10 units

small model car with mass m travels at constant speed v on the inside of a track that is a vertical ircle with radius 5.00 m. If the normal force exerted by the track on the car when it is at the bottom of the track (point A) is equal to 19.8 kN and at the top of the track (point B) is equal to 2.92 kN, what is the weight of the car? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer 5.00m x10 units

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

A small model car with mass m travels at constant speed v on the inside of a track that is a vertical
Circle with radius 5.00 m. If the normal force exerted by the track on the car when it is at the bottom
of the track (point A) is equal to 19.8 KN and at the top of the track (point B) is equal to 2.92 KN,
what is the weight of the car?
Note: Your answer is assumed to be reduced to the highest power possible.
Your Answer:
Answer
5.00m
x10
units

20 m
Answer
15 m
Rough
A stone of mass m slides down a snow-covered hill shown in the figure, leaving point A at a speed
of 10.0 m/s. There is no friction on the hill between points A and B, but there is friction on the level
ground at the bottom of the hill, between B and the wall. After entering the rough horizontal region,
the stone travels 75.0 m and then runs into a very long, light spring with force constant 2.00 N/m.
The coefficient of kinetic friction between the stone and the horizontal ground is 0.234. If the stone
compresses the spring a distance of 22.5 m, what is the mass of the stone m?
Note: Your answer is assumed to be reduced to the highest power possible.
Your Answer:
x10
B
units

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