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A softball pitcher throws a ball with a tangential speed of 8.33 m/s. If the pitcher's arm is 66.0 cm long, what is the angular speed of the ball before the pitcher releases it?
A solid cylinder of diameter 6.52 centimeter and mass 12.18 kilogram is rolling without slipping on a level surface. Determine what is its kinetic energy in Joules
One of the 61.0cm -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
a 11.00 kg block starts from rest at the top of a 25.0 meter long 30.0 degree incline. Its kinetic energy at the bottom of the incline is 1347.5 J
In the 1950s, an experimental train that had a mass of 2.00 104 kg was powered across a level track by a jet engine that produced a thrust of 5.30 105 N for a distance of 509 m. Assume that air resistance is negligible.
An object is placed 19cm from a certain mirror. The image is half the size of the object, inverted, What is the radius of curvature of the mirror
define How fast are the waves moving.
When venturing forth on Planet X, you throw a 5.01 kg rock upward at 12.6 m/s, What does the rock weigh on planet X
A heat engine absorbs 250 kcal of heat from a high temperature reservoir and exhaust 175 kcal to a low temp recover. Decide engine's thermal efficiency from the efficiency of an ideal gas heat engine,
A ceiling fan is turned on and a net torque of 2.2 N · m is applied to the blades. The blades have a total moment of inertia of 0.20 kg · m2
Use counterclockwise as the positive angular direction, between the limits of -180?and +180?as measured from the positive x axis.Answer in units of ?.
a rocket of rest length 1000 meters moves with respect to us at v 35c. there are two clocks on the ship one in the
If you apply the minimum force needed to get the refrigerator to move, what will the acceleration then be? What is the minimum force required to keep it moving
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