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A softball of mass 0.220 kg that is moving with a speed of 8.5m/s collides head-on and elastically with another ball initially atrest. Afterward the incoming softball bounces backward with a speedof 3.7 m/s. Calculate
(a) the velocity of the target ball after the collision, and
(b) the mass of the target ball.
A generator with an rms voltage of 130V is connected in series to a resistor 3.25 kilo-ohm, At what frequency must this circuit be operated for the current to lead the voltage by 24.0 degrees
What is the rms current in a series RC circuit if R = 5.0k%u03A9 , C = 0.90%u03BCF , and the rms applied voltage is 130V at 69Hz
A 60.0kg athlete runs up a flight of 25 steps, each 20.Ocm high, in 10.0s. Calculate the work done by gravity on the athlete
Light of wavelength 730 nm illuminates a pair of slits separated by 0.200 mm. determine the distance between the first and second dark fringes
A massless spring with spring constant k is compressed by an amount xo. What is the velocity of the combined masses (m+2m) just after the collision
A particle of mass m1 = 3.74kg is traveling in the positive x-direction with a velocity of 17.5m/s. What is the angle that the new trajectory makes with the x-axis
Steam can cause more serious burns than water at the same temperature. Here we want to examine this effect quantitatively, noting that flesh becomes badly damaged when its temperature reaches 50.0 oC.
A student of weight 658 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force FN on the student from the seat is 545 N. What is the magnitude of FN at the lowest point
The electron beam inside a television picture tube is 0.300mm in diameter and carries a current of 50.0 ?A. What is the current density in the electron beam
in 1910 rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil.
A mass attached to a spring stretches 2.5 cm from equallibrium. What is the angular frequency of the oscillation
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.73 m/s, What is the maximum possible value for d
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