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A super ball of mass 0.05 kg is dropped from a height of 10 cm above a table top. It bounces off the table and rises to the similar height. If the super ball was in contact with the table for 30 ms, find the average force exerted by the table on the ball?
a small object a electrically charged creates an electric field. at a point p located 0.250m directly north of a the
An outfielder throws a 0.150 kg baseball at a speed of 54.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball at the highest point of its motion
A very long straight wire carries current 44 A. In the middle of the wire a right-angle bend is made. Determine the magnetic field at the center of the arc
q1. a race car has a mass of 718 kg. it starts from rest and travels 45.0 m in 3.0 s. the car is uniformly accelerated
Calculate the direction, magnitude and line of action of the vertical and horizontal components of hydrostatic force acting on a surface.
A 78 kg refrigerator has rubber feet. The coefficient of staticfriction between a floor and the feet has is 1.1, while itscoefficient of kinetic friction is .9. Whats the force needed tobegin moving the refrigerator across the floor and the minim..
A diver of mass 60kg, on entering the water with an initial velocity of 14.87ms-1, experienced a force of resistance due to the opposing motion of magnitude of 180v Newtons, Calculate the maximum depth, in metres the diver will submerge
in the relativistic heavy ion collider in brookhaven ny physicists are attempting to recreate the conditions of the big
A uniform brass disk of radius R and mass M with a moment of inertia I about its cylindrical axis of symmetry is at a temperature T = 37 °C. Determine the fractional change in its moment of inertia
You have probably never noticed time dilation effects in everyday life. Calculate the speed that a friend would have to move with respect to you so that your measured time intervals are 1.00% larger than hers
a rocket is fired vertically from the surface of the earth. its engines fire only briefly and then the rocket
The length of the road up the hill is 347 m. Illustrate what should be the magnitude of F, so that the net work done by all the forces acting on the car is 182 kJ?
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