Physics word problems and answers
[DOC File]Momentum Practice Problems
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Perform the following practice problems on a separate sheet of notebook paper. Make sure you include the formula, the numbers plugged into the formula, and your answer (in a box) with a label. Basic Momentum Problems (round all final answers to nearest tenth) 1. Calculate the momentum of a 12ookg car with a velocity of 25m/s.
[DOCX File]Physics 11 - Work, Power, Energy Worksheet
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26. Two balls with the same mass, one of wood and the other a ping-pong ball partly filled with sand, are rolled along a desk. The wooden ball rolls along nicely, but the ping-pong ball stops in a few centimetres.
[DOC File]Speed and Velocity Problems - Weebly
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The loser will grade the winner's physics labs for one month. Dr. Rice runs the race in 10.40 s. Dr. De La Paz runs the first 25.0 m with an average speed of 10.0 m/s, the next 50.0 m with an average speed of 9.50 m/s, and the last 25.0 m with an average speed of 11.1 m/s. Who gets stuck grading physics labs for …
[DOC File]Pre-Test Physics (Questions and Answers)
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Pre-Test Physics (Answers) Newton. Distance. Grams. Time. Significant Figures. 50.03 km a. 4. 0.000503 km b. 3 . 5003 km c. 4 5.0 km d. 2. 0.5 km e. 1 . Look at the decimal places for each measured value. The least precise number (the one with the fewest decimal places) determines the amount of decimal places in the final answer.
[DOC File]Momentum Practice Problems
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MS- Momentum Practice Problems. Which is more difficult to stop: A tractor-trailer truck barreling down the highway at 35 meters per second, or a small two-seater sports car traveling the same speed? You probably guessed that it takes more force to stop a large truck than a small car. In physics terms, we say that the truck has greater momentum.
[DOC File]Radioactivity - word search
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radioactivity - word search. w l k u s k n g k c e r s d o i p a s r g e a n o t i s f u l h w i a e a m i c a r b o n s a t o m i c m a o i p r w t b j e n s g t a b ...
[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]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 …
[DOC File]Vector Direction and Magnitude Word Problems
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Vector Direction and Magnitude Word Problems. PreCalc lesson 8-2. To reach a final destination a pilot is plotting a course that will result in a velocity of 450 mph in a direction N60°W. There is a wind blowing at 50 mph from due south. Find the direction and the speed of the plane.
[DOC File]HEAT Practice Problems
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HEAT Practice Problems . Q = m x ∆T x C . 5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat Cu? (Specific heat capacity of Cu is 0.092 cal/g °C) How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to change from 10°C to 29°C? (Specific heat capacity of granite is 0.1 ...
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