4. A flowerpot weighing 3 newtons is sitting on a windowsill 30 m off the ground. What type of energy does the flowerpot have, and how much? 5. The same flowerpot is now falling towards the ground. How much kinetic energy does it have at the half-way mark of the fall?
4. A flowerpot weighing 3 newtons is sitting on a windowsill 30 m off the ground. What type of energy does the flowerpot have, and how much? 5. The same flowerpot is now falling towards the ground. How much kinetic energy does it have at the half-way mark of the fall?
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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Please help me and answer questions 4, 5 and 5
Transcribed Image Text:PS Physics
Potential and Kinetic Energy
Answer the following problems using the GUESS method.
An object has a mass of 0.5 kg and is moving with a velocity of 25 m/s. Calculate the kinetic
energy of the object.
1.
2.
Your favorite reading book has a mass of 1.25 kg. What is its' potential energy as it sits on a
bookshelf 2.5 meters high?
3. The potential energy of a skier on top of a 100 m mountain is 83,000 J. What is the mass of the
skier?
4.
A flowerpot weighing 3 newtons is sitting on a windowsill 30 m off the ground. What type of
energy does the flowerpot have, and how much?
5.
The same flowerpot is now falling towards the ground. How much kinetic energy does it have
at the half-way mark of the fall?
6.
As the flowerpot in #7 is falling towards the ground how much total energy does it have?
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