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A ball is initially at rest in your hand. You then accelerate your hand upwards at 20 m/s2 for 0.1 s and release the ball.
a) How far a distance did you lift the ball through?
b) How fast was the ball going when you released it?
c) How high will the ball go (from the release point)?
d) How long will it take for the ball to return to the height at which it was released?
How much horizontal force should a sprinter of mass 57.0 exert on the starting blocks to produce this acceleration.
The pressure of an ideal gas remains at 200 Pa while 1000 joules of heat are removed and its internal energy increases by 2000 joules. What was the change in the volume of the gas
A rod 50 cm long and 1.0 cm in radius carries a 2.0 microC charge distributed uniformly over its length. Find the approximate magnitude of the electric field
Two cars approach an ice-covered intersection. One car, of mass 1.27 103 kg, is initially traveling north at 12.1 m/s, Find the velocity of the center of mass of the two-car system just after the collision
A swimming pool 2.6 m by 1.0 m has a uniform depth of 2.0 m, What is the absolute pressure at the bottom of the pool
A 0.45kg piece of putty is dropped from a height of 2.5m above a flat surface. find the magnitude of the average force exerted on the putty
What is the greatest amount through which the wavelength of an incident photon could change when it undergoes Compton scattering from an atom or molecule with a 19 u mass.
A series circuit with a resistor and a capacitor has a time constant of 0.41 ms. The circuit has an impedance of 419 O at a frequency of 1250 Hz. What the capacitance and the resistance
A balloon contains 1.8mol of helium at 1.0atm initially at 180 degree C. How much work does the gas do in the process
A 66-kg man standing on a scale in an elevator notes that as the elevator rises, What is the acceleration of the elevator
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
What is magnitude of the Coulomb force
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