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At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.03 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before touching the ball?
Two pucks collide on an air hockey table. Puck A has a mass of 30 g and is initially traveling in the +x direction at 6.0 m/s. Calculate puck A's final speed
At what angle should a curve of radius 190 m be banked, so cars can travel safely at 32 m/s without relying on friction?
A vertical tube that is closed at the upper end and open at the lower end contains an air pocket. The open end of the tube is under the water of a lake. What is the volume of the air pocket under these conditions
Two parallel plates are held at potentials of +229V and ?59V, An electron is initially placed halfway between the plates, Find its kinetic energy when it hits the positive plate
The work on a system with a mass 100 lbm is known to be 10 BTU's . If there is no change in potential energy and the speed changes from rest to 32 ft/sec. What is the change in the internal energy of the system?
A medical defibrillator stores 950J of energy in a 100-muF capacitor. If the capacitor discharges 280 of its stored energy in 2.5 , what power is delivered during this time
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 4.30 × 105 kg
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 32.5 dB. What is the intensity delivered to the eardrum
Suppose that an electron is trapped within a small region and the uncertainty in its position is 7.20 multiply.gif 10-15 m, find the minimum uncertainty in the electron's momentum
If the ropes supporting the rings are attached to ceiling directly above, what is the tension in each rope.
For lead 82Pb206 (atomic mass = 205.974440 u) obtain the binding energy per nucleon (in MeV)
A small wooden block with mass 0.850 kg is suspended from the lower end of a light cord that is 1.54 m long. The block is initially at rest. What is the initial speed of the bullet
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