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Problem: A tennis ball with a velocity of 8.23 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with ah a velocity of -5.55 m/s to the left.
A- If the ball is in contact with the wall for 0.011s, what is the average acceleration of the ball while it is in contact with the wall?
Please show all work and clearly explain to find the average acceleration of the ball while it is in contact with the wall.
Two long parallel wires seperated by 50cm both carry currents of 4.0 A in the same vertically up direction. Find the magnetic field midway between the wires
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On your first trip to Planet X you happen to take along a 215 mass, a long spring, a meter stick, and a stopwatch. You're curious about the free-fall acceleration on Planet X, What is the value of gravity
A solid sphere of mass 4.0kg and radius of 0.12m is at rest at the top of a ramp inclined 15degrees. It rolls to the bottom without slipping. What is the liner speed of the sphere
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