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A projectile is launched vertically from the surface of the earth with an initial speed of 7.00 km/s.
(a) What is the magnitude of its acceleration (m/s^2) 2110 km above thesurface of the earth?
(b) At what height (km) will it stop and begin to fall back to the surface of the earth?
A quantity of carbon monoxide gas is slowly compressed adiabatically in an insulated container to one-half of its volume. determine the final pressure of the gas
A group of hikers hear an echo 2.50 s after they shout. If the temperature is 28°C, how far away is the mountain that reflected the sound wave.
A thin-walled hollow sphere with a mass of 22 kg is rolling without slipping. Its translational speed is 1.6 m/s. Determine the total kinetic energy of the rolling sphere
A 0.700-kg ball is on the end of a rope that is 2.50 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, What is the tangential speed of the ball
Two protons are released from rest when they are 7.00mm apart. Calculate maximum acceleration
The starter motor of a car engine draws a current of 127 A from the battery. How much charge passes trough the starter motor
A 5.29-kg ball hangs from the top of a vertical pole by a 2.09-m-long string. Calculate the angle, between 0° and 90°, that the string makes with the pole
A point charge Q is located at the center of a very thin, spherical metal shell. what is the electric potential of the shell
A plastic block of dimensions 2.5 cm x 3.8 cm x 4.0 cm has a mass of 28.0 g. What is the density of the block
A mass m is attached to an ideal cord of length L (figure at left). What is the tension in the cord at that moment
Stellar radial velocity variations as small as 1 m/s can be detected with current technology. what is the radius of the widest circular orbit on which jupiter could currently be detected orbiting the Sun
250mL of water at 20.0 ?C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 6.00. How much heat energy is exhausted into the room
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