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A pitcher throws a 0.140 KG baseball, and it approaches a bat at 30.0 m/s. The Bat does Wnc=70.0J work on the ball in hitting it. Ignoring air resistance, deterring the speed of the ball after the ball leaves the bat and it has gone 25.0m.
A ball of mass 0.1 kg is suspended vertically from the ceiling with a "massless" string and brought to rest. what will be the magnitude of the resulting angular acceleration
A 95-{rm m}-long train begins uniform acceleration from rest. The front of the train has a speed of 25 {rm m/s} when it passes a railway worker who is standing 120m from where the front of the train started. What would be the speed of last car as ..
Pre-lab (to be completed and submitted via Sakai before class): A round object with a rotational inertia of I = BM(R^2), where B is a constant, M is its mass and R is its radius, rolls without slipping a distance "d" down a plane inclined at an angle..
The centers of a 14kg lead ball and a 110g lead ball are separated by 8.0cm. What gravitational force does each exert on the other
Sound propagating through air at 30oC passesthrough a vertical cold front into air that is 4.0oC. by what percentage does its wavelength change in crossing the boundary
An elastic cord vibrates with a frequency of 3.0 Hz when a .60 kg mass hangs from it. What would its grequency be if .38 kg hang from it?
Suppose the flux through a loop changes uniformly from 12 Wb to 18 Wb in 6.50 s. What is the magnitude of the emf induced in the loop
A photon of wavelength 0.73130 nm strikes a free electron that is initially at rest. The photon is scattered straight backward. What is the speed of the recoil electron after the collision?
A circular loop has a current of 7.00 amps in the clockwise direction and a radius of 10.0 cm. The center of the loop is 20.0 cm above a long straight wire. What is the direction and magnitude of the current in the wire if the magnetic field at the c..
a cylindrical shell of radius 9 cm and length 297 cm has its charge density uniformly distributed on its surface. the
A thin ring of radius R carries a charge 3Qdistributed uniformly over three-fourths of its circumference, and -Q over the rest
A projectile of mass m is fired from the surface of the earth at an angle a from the vertical, where a = 0.75 radians. Calculate the maximum height that the projectile will reach
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