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Assume that you have two objects, one with a mass of 5 kg and the other with a mass of 17 kg, each with a charge of ?0.011 C and separated by a distance of 8 m. What is the electric force that these objects exert on one another? Answer in units of N
Calculate the energy density in the electric field. After the collision, the club head travels (in the same direction) at 46 m/s. Find the speed of the golf ball just after impact.
Assume that positive -axis is directed toward the direction of motion of cart 2.
A 426 kg bear grasping a vertical tree slides down at constant velocity. The acceleration of gravity is 10m/s2. What is the friction force that acts on the bear? Answer in units of N.
A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill.
A 55.0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 8s. The elastic rope obeys Hooke's Law. By how much is rope extended beyond its unloaded length while the performer hangs at rest?
A proton moves perpendicular to a uniform magnetic field, B, at 1.6 multiplied by 107 m/s and experiences an acceleration of 1.8 multiplied by 1013 m/s2 in the positive x direction while its velocity is in the positive z direction. Find out the magni..
A rectanbular tank is placed on wheels and is given a constant horizontal acceleration a. display that, at steady state, the angle made by the free surface with the horizontal is given by tan(delta)=a/g.
A wheel (radius = 0.20 m) is mounted on a frictionless, horizontal axle. A light rope wrapped around the wheel supports a 0.50-kilogram object, as shown below. When released from rest, the object falls with a downward acceleration of 5.0 m/s2. What i..
What amplitude of simple harmonic motion of the spring-blocks system puts the smaller block on the verge of slipping over the larger block.
What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 222m.
How far from the center of the earth must a person be to experience acceleration as the reason of gravity that is one half the acceleration at the surface.
A somewhat longer cable replaces the old and is attached to the steel bar 5 m from its upper end, connecting to the same place on the wall as before and maintaining the same angle between the bar and the wall.
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