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A child rides a pony on a circular track whose radius is 4.0m
Find the distance after a complete circuit of the track.
Find the displacement after a complete circuit of the track.
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.19 x 104 m/s, What is the orbital speed of the second satellite
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This means that the masses of two stars are equal. Suppose the orbital speed of each star is 285 km/s and the orbital period of each..
One of the 57.5cm -long strings of an ordinary guitar is tuned to produce the note B3(frequency 245 Hz) when vibrating in its fundamental mode. Find the speed of transverse waves on this string
The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
A 60.5 -kg runner has a speed of 4.60 m/s at one instant during a long-distance event. what is the runner's kinetic energy at this instant
Water flows in a pipe that has a 4 ft diameter and the following hypothetical velocity distribution: what is the discharge in cubic feet per second
A thin, circular disc is made of lead and has a radius of 0.0350 cm at 20.0 °C. find out the change in the area of the circle if the temperature is increased to 625.0 °C. The coefficient of linear thermal expansion for lead is 29.0 x 10-6/C°.
if the mass of the diver is 134kg and the board is 9m long, illustrate what is the torque due to gravity on the diving board with a pivot point at the fixed end of the board?
Four point charges have the same magnitude of 2.53 x 10^-12 C and are fixed to the corners of a square that is 4.15 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists ..
A ball rolls off a horizontal table at 0.44m/s and strikes the ground 0.17m horizontally from the base of the table, how far from the base of the table does it hit
Two soccer players start from rest, 30 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
A transformer connected to a 100 V (rms) ac line is to supply 8.0 V (rms) to a portable electronic device. What rms current must the secondary supply
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