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A mass of 0.2 kg attached to a spring oscillates on a frictionless horizontal surface. Its motion is described by x = 0.05 m cos(50 rad/s t + 1.57 rad). Find
a) the frequency and period;
b) the maximum velocity and acceleration;
c) the force constant and the mechanical energy.
The bullet passes right through and emerges on the other side with a speed of 100 m/s, and the saxophone is given a speed of 4.8 m/s.
Two identical small insulating balls are suspended by separate 0.208m threads that are attached to a common point on the ceiling. Determine the charge on each ball
an object is shown next to a lens of focal length 50cm. Given that the image is also shown on the right side of the lens, determine the image location
The position of a particle is given by the expression x = (3.00 m) cos(4.00?t + ?/4), where x is in meters and t is in seconds. Determine the frequency and period of the motion
An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, slippery surface. What is the speed of the arrow after passing through the target
A sheet of glass is coated with a 496 nm thick layer of oil (n = 1.42). What is the color of the most part of transmitted light
A high-speed photograph of a club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club
A flywheel having constant angular acceleration requires 4.40s to rotate through 169rad . Its angular velocity at the end of this time is 110rad/s. find the angular acceleration of the flywheel
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window
q1. a good baseball pitcher can throw a baseball toward home plate at 98 mih with a spin of 1590 revmin. how numerous
A 42.00kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.3 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
The ball sinks to the point where none of it extends out of the water and remains submerged such that the child does not sink. The child has a mass of 36 kg. What is the diameter of the ball? Suppose for this problem that the ball has negligible m..
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