Free physics problems
[DOC File]Physics – More Net Force Practice Problems
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Physics Notes – Net Force Practice Problems. 1) A 270,000 kg rocket in gravity-free space expels 270 kg of fuel by exerting a force of 360 N on it. Find the magnitude of the acceleration of: a) the fuel. b) the rocket. For numbers 2-7, draw. a free-body diagram of each object that includes ALL the forces that act on the object, and then . find
[DOC File]Mechanics – AP Physics C – 1995
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Mechanics – AP Physics C – 1995. p. 2. 2. (continued) (c) We'll use the Work-Energy Theorem: where the work done will equal the decrease in potential energy or with: (where above, we found r0 = b) (where above, we found U0 = 2a with U0 is Uf here) So the work done is: (Wait! in terms of U0???) Oh yeah, U0 = 2a, so a = ½U0 so W =
[DOC File]Distance and Displacement Worksheet
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Name:_____ Per____ For each question plot the path on the grid paper. Chanice drives her scooter 7 kilometres north. She stops for lunch and then drives 5 kilometres east.
[DOC File]Physical Science Motion and Forces Worksheet
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1. What is the force on an object that goes from 35 m/s to 85 m/s in 20 seconds and has a mass of 148 kg? 2. Calculate the force on an object that has a mass of 12 kg and an acceleration of 4 m/s2 .
[DOC File]Physics 11 - Work, Power, Energy Worksheet
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Physics 11 - Work, Power, Energy Worksheet Author: KSS Last modified by: user Created Date: 4/28/2008 6:58:00 PM Company: SD69 Other titles: Physics 11 - Work, Power, Energy Worksheet ...
[DOC File]AP PHYSICS C – Mechanics 1987
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AP PHYSICS C – Mechanics 1987. 2. Once again we're given a potential energy graph! Remember: Now suppose the total energy (E) is constant and only 4.0 joules. (Note: U can't be 8J.) (b) E = 4J = K + U (i) So when x = 2m, U = 1J and (ii) When x = 4m, U = 3J and (c) At x = 0.5m, U = 6J and K ≥ 0J, so E > 4J.
[DOCX File]Momentum Worksheet #3 – Elastic/Inelastic Collisions
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A 1250 kg car is moving down the highway with a velocity of 32.0 m/s when it bumps into the car ahead of it which has a mass of 875 kg and a velocity of 25.0 m/s.
[DOC File]Work Practice Problems Worksheet #1 - Palmer ISD
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Work Practice Problems Worksheet #1 ANSWER KEY. Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do? Work = Force X Distance. Work = 20N X 10m. Work = 200 J. 2) How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N? Work = Force X Distance. Work = 200N X 20m. Work = 4000 J
[DOC File]CIRCUITS WORKSHEET
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1. Determine the equivalent (total) resistance for each of the following circuits below. 2. Determine the total voltage (electric potential) for each of the following circuits below.
[DOC File]Forces Worksheet
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SOLUTIONS TO 1-13 FORCE PROBLEMS. 1. How much force is needed to accelerate a 66 kg skier at 2 m/sec2? f=ma f= 66 x 2 f = 132 N. 2. What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2? F= ma f= 1000 x 9.8 f=9,800 n. 3. What is the acceleration of a 50 kg object pushed with a …
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