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A baseball outfielder throws a 0.150 kgbaseball at a speed of 40.0 m/s and an initial angle of 32.0°. What is the kinetic energy of the baseball at the highest point ofits trajectory?
A pendulum hangs from an inclined wall. Suppose that this pendulum is released at an initial angle of 10 degrees and it bounces off the wall elastically when it reaches an angle of -5 degrees
A 170 g block connected to a light spring with a force constant of k = 4N/m oscillates on a horizontal, frictionless surface. What is the maximum magnitude of the force exerted by the spring during this motion
Delivery trucks that operate by making use of energy stored in a rotating flywheel have been used in Europe. What is the kinetic energy of the flywheel after charging
A 3.00 kg block starts from rest at the top of a 30° incline and slides a distance of 1.80 m down the incline in 1.30 s. Find the magnitude of the acceleration of the block
A 330-power compound microscope has a 4.9mm focal-length objective lens. If the distance from eyepiece to objective is 12cm, what should be the focal length of the eyepiece
ater at the top of Niagara Falls has a temperature of 10degrees celius. calculate the temperature of the water at the bottom of the falls
What would angular speed have to be,in rpm?
A 191g oscillator has a speed of 96.50cm/s when its displacement is 2.70cm, What is the oscillators maximum speed
A nonreflective coating (n = 1.35) covers the glass (n = 1.52) of a camera lens. determine the minimum nonzero thickness that the coating can have
A diver, below the surface of a lake, notices that no light appears to be coming toward her greater than the angle è, what is the angle è
Three +3.0-?C point charges are at the three corners of a square of side 0.50 m. Find the magnitude of the electric field at the center of the square
A large circus ride has a centripetal acceleration at 6.0 m/s2. If the circular ride has a radius of 11.0 m, what is its velocity at the edge
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