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A 70.5kg football player is gliding across very smooth ice at 1.75 m/s. He throws a 0.460 kg football straight forward.
PART A: What is the player's speed afterward if the ball is thrown at 12.5m/s relative to the ground?
PART B: What is the player's speed afterward if the ball is thrown at 12.5m/s relative to the player?
Nitrogen at 5 X 10^5 Pa and 80 degrees C is on one side of a partition, occupying 1/3 of the volume of a 1.2 m^3 container. find the final pressure and temprature
A 20 000 N truck is acted upon by the force that decreases its speed from 10.00 m/s to 5.0 m/s in 5.0 sec. What is the magnitude of force.
A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, What is the angle of the remaining piece
The dial on an FM radio contains numbers ranging from about 88 to about 108. What is the corresponding range of wavelengths
The drawing shows the front and rear sprockets of a bicycle. Assume the chain does not slip or stretch. How much time is required to double the speed of the rear sprocket
Delivery trucks that operate by making use of energy stored in a rotating flywheel have been used in Europe. What is the kinetic energy of the flywheel after charging
Suppose a single electron orbits about a nucleus containing two protons (+2e), find the magnitude of the electron's centripetal acceleration
A thin spherical shell has a radius of 1.70 m. An applied torque of 920 N m imparts to the shell an angular acceleration equal to 6.70 rad/s2 about an axis through the center of the shell. What is the rotational inertia of the shell
If there are two point along the x-axis, positive q to the right and -q to the left of the orgin. Both with the distance a/2 from the orgin, Find the electric field at that point without using derivatives
Explain by how much does the potential energy of a 23.0-kg child increase when the child climbs a normal staircase to the second floor?
An electron is observed traveling at a speed of 25.7·106 m/s, How far will the electron travel before coming to a stop
The electrons in the beam of a television tube have a kinetic energy of 3.26 × 10-15 J. What is the acceleration of an electron due to this field component
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