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A 0.75-kg mass moving with a speed of 5.0 m/s encounters a 0.25-kg mass moving in the opposite direction with speed 5.0 m/s.
Assume the objects collide in an elastic collision where no energy is lost. What is the final velocity of both objects?
A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the ground. find the force of friction that the driveway exerts on the bottom of the ladder
A 5 kg mass attached to a horizontal spring is pulled from its equilibrium position by 4 m and let go. find is the maximum velocity of the mass
a square with sides of length 2m is perpendicular to a magnetic field of strength 10 t is rotated by 60 degrees in the
The density of a 5.0-m long rod can be described by the linear density function ?(x) = 125 g/m + 13.3x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m
Calculate the electric field within the membrane, if the thickness of the membrane were quadrupled.
A grinding wheel in the shape of a solid disk is 0.200m in diameter and has a mass of 2.50kg. How far would it have to drop in free fall to acquire the same amount of kinetic energy
A 3.62m long organ pipe is open on both ends. the fundamental frequency is 47Hz, and Find its first three overtone frequencies
A sparrow's maximum air speed (speed relative to the air around it) is 20 m/sec. She wants to fly to her nest which is due north, but there is 10 m/sec wind blowing from west to east. What direction should she fly?
A uniform thin rod of mass 4.55 kg pivots about an axis through its center and perpendicular to its length. Two small bodies, each of mass 0.577 kg, are attached to the ends of the rod. What must the length of the rod be so that the moment of inertia..
A cannonball is fired from a canon at an angle of 45 degrees to the horizontal.The cannonball's initial velocity is 40 m/s. How far will the cannonball go before it hits the ground
A planet of mass 8 × 10^24 kg is at location ‹ -4 × 10^11, 7 × 10^11, 0 › m. A star of mass 7 × 10^30 kg is at location ‹ 5 × 10^11, -5 × 10^11, 0 › m. What is the force exerted on the planet by star? (It will probably be helpful to draw the diagr..
A 12.4 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.650, what was ..
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