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A solid sphere of mass m= 5 kg and radius 3 cm is released from rest, from the top of a loop-the-loop track at a height H above the ground. What must the height H be if it is to make it over the top of the loop without falling off. Assume that for the solid spere I = 2/5 MR2. Please show steps.
you were directed to measure the angle of reflection when the ray was incident on either side of the normal to the
king arthurs knights fire a cannon from the top of the castle wall. the cannonball is fired at a speed of 42 ms and an
A juniper-wood plank measuring 0.15 ft by 1 ft by 17 ft is totally submerged in water. What is its weight? (Ib) What is the buoyant force acting on it? (Ib) What are the size and the direction of the net force on it? (Ib)
.250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
An object with a density of 761.0 kg/m3 and a mass of 1471.0 kg is thrown into the ocean. Find the volume that sticks out of the water
A hungry 161-kg lion running northward at 75.5 km/hr attacks and holds onto a 35.9-kg Thomson\'s gazelle running eastward at 61.4 km/hr. Find the final speed of the lion-gazelle system
A 2.04 kg object is subjected to three forces that give it an acceleration vector a = -(8.00 m/s2)i hat + (6.00 m/s2)j hat. Find the third force
Express the magnitude of the magnetic flux going through the loop, Phi, in terms of B, x and L. Express the speed of the rod, v, in terms of A and t. Assume y = 0 at t = 0.
At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.
assuming each quadrant of the pizza to be the same find the center of mass of the uneaten pizza above the axis that is
A race car starts from rest on a circular track of radius 490 m. The car's speed increases at the constant rate of 0.740m/s2. find the speed of the race car
Travel past the Earth in a straight line
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