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A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m = 0.169 kg and moves at v = 5.06 m/s. The circular path has a radius of R = 1.02 m
What is the minimum velocity so the string will not go slack as the ball moves around the circle?
A 3.25G bullet picks up an electric charge of 1.75uC as it travels down the barrel of a rifle. Calculate the magnitude of the bullet's acceleration due to the magnetic force at the instant it leaves the rifle barrel
A 25-g lead bullet is shot with a speed of 240 m/s into a wooden wall. what is the final temperature of the bullet
A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor, estimate the phase angle between the current and the voltage
A truck travels 1690 m uphill along a road that makes a constant angle of 4.82? with the horizontal. Find the magnitude of the truck's vertical component of displacement
A person is running at 7 m/s with her hands outstreched abover her head (1.95m from feet to finger tips) she runs exactly horizontally off the edge of a chasm and attempts to grab onto opposite side.
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 140 N. What is the radius of the brass ball
A high-speed photograph of a club hitting a golf ball, find the average force exerted on the ball by the club
Laser light of wavelength 400 nm illuminates an array of very narrow slits, producing an interference pattern on a screen 70 cm from the slits. compute the separation between the slits
Scenario: You and a friend, who is twice your size, decide to slide down identical water slides at the same time, Who will have the greater momentum at the bottom
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter, Find the power consumed by the air filter
A harvest mouse can detect sounds as quiet as -10 . Suppose you are sitting in a field on a very quiet day while a harvest mouse sits nearby at the entrance to its nest. How far is the harvest mouse from the leaf
The left mass (10 kg) has a coefficient of kinetic friction between itself and the table of .25, calculate the contact force that acts between the masses
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