Free physics problems and solutions
[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 …
Physics 6A Practice Final Problems - UCSB
Assuming free-fall, how long does it take to hit the ground? a) 4 seconds. b) 16 seconds. c) 28 seconds. d) 57 seconds. 2) A person skateboarding with a constant speed of 3.5 m/s releases a ball from a height of 1.5m above the ground. Find the speed of the ball as …
[DOC File]Projectile Motion Worksheet
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Projectile Motion Worksheet. A ball rolls with a speed of 2.0 m/s across a level table that is 1.0 m above the floor. Upon reaching the edge of the table, it follows a parabolic path to the floor.
[DOC File]Physics 50 Workshop
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Physics 50 Workshop Solutions. Chapter 5: Applications of Newton’s Laws. 1. Draw free body diagrams for all 4 masses, and the sum of the forces on each mass adds up to zero. The downward forces include the mass’s own weight, plus the tension on the string (if any). This gives you four equations and four unknowns: Solve for T2:
[DOC File]Work Practice Problems Worksheet #1
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Work Practice Problems Worksheet #1. Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do? How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N? A 900N mountain climber scales a 100m cliff. How much work is done by the mountain climber?
[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]AP Physics Problems
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Some test & quiz questions will be similar to the problems you encounter in the homework, warm-ups and on-line assignments. Writing clear solutions with explanations (rather than just answers) will help you prepare for the tests and whiteboard presentations. Physics homework problems are challenging for students and require practice to master.
[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.
[DOCX File]Free Response - Weebly
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Practice 1.2B Solutions. Reviewing Newton’s Laws, elevator problems, and more Atwood’s. An object near the surface of the earth with a weight of 100 newtons is accelerated horizontally at 4 m/s2. What is the net force on the object? 25 N (B) 40 N (C) 250 N (D) 400 N …
[DOC File]Solutions - Physics
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Solutions. Chapter 1. Problems: 1-12. Bacteria vary somewhat in size, but a diameter of 2.0μm is not unusual. What would be the volume (in cubic centimeters) and surface area (in square millimeters) of such a bacterium, assuming that it is spherical?
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