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2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon with a speed of 10m/s?

2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon with a speed of 10m/s?

College Physics
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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Ev Ev E E Ev A Styles v E Tags v Feed w.. Problems: Show all work (formulas used, what is plugged in, and final answers with units). Circle or Box answers. 1) What is the potential energy of an object with a mass of 5kg at a height of 4m above the ground on Earth? 2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon with a speed of 10m/s? 3) How much work does an elevator do (ie The work done by the Normal force) on an 80kg person in lowering this person at a constant velocity over a distance of 15m? 4) A 1500kg car is traveling 20m/s. The driver of the car sees a deer run out into the road ahead of the car. By the time the driver hits the brakes, the deer is only 30m away. A) How much work must the brakes do to stop the car without hitting the deer?
Transcribed Image Text:Ev Ev E E Ev A Styles v E Tags v Feed w.. Problems: Show all work (formulas used, what is plugged in, and final answers with units). Circle or Box answers. 1) What is the potential energy of an object with a mass of 5kg at a height of 4m above the ground on Earth? 2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon with a speed of 10m/s? 3) How much work does an elevator do (ie The work done by the Normal force) on an 80kg person in lowering this person at a constant velocity over a distance of 15m? 4) A 1500kg car is traveling 20m/s. The driver of the car sees a deer run out into the road ahead of the car. By the time the driver hits the brakes, the deer is only 30m away. A) How much work must the brakes do to stop the car without hitting the deer?
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