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A 11.0-g wad of sticky clay is hurled horizontally at a 130-g wooden block initially at rest on a horizontal surface. The clay sticks to the block. After impact, the block slides 7.50 m before coming to rest. If the coefficient of friction between block and surface is 0.650, what was the speed of the clay immediately before impact?
A total electric charge of 4.50 nC is distributed uniformly over the surface of a metal sphere with a radius of 22 cm. The potential is zero at a point at infinity. Find the value of the potential at 45 cm from the center of the sphere.
During this process the arrow's deceleration has a magnitude of 1800 m/s2 and the block's acceleration has a magnitude of 450 m/s2
A basketball star covers 2.6 m horizontally in a jump to dunk the ball. His motion through space can be modelled precisely as that of a particle at his center of mass. His center of mass is at elevation 1.02m when he leaves the floor. It reaches a..
A typical color television draws about 2.9 A when connected to a 150 V source. What is the efiective resistance of the T.V. set
A parallel-plate capacitor is formed from two 3.60cm × 3.60cm electrodes spaced 2.70mm apart, What is the charge (in nC) on each electrode
A bicycle wheel is rotating at 40rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.45rad/s2, What is the wheel's angular velocity, in rpm, 10s later
An eagle is flying horizontally at 5.7 m/s with a fish in its claws. How much time passes before the fish's speed doubles
A highway patrolman sends a 24.150-GHz radar beam towards a speeding car. The reflected wave is lower in frequency by 4.04-kHZ
An aluminum cylinder is suspended in an unknown fluid by a spring scale. Outside the fluid, the object weighs 20N. In the fluid,
rail car that weighs 43 N is accelerated at 8.9 m/s/s for 4.5 seconds. How much work is done on the rail car
Two masses are connected by a light string that goes over a light, frictionless pulley. determine the maximum height attained by the 2.1-kg mass
Illustrate what are the possible weaknesses in the Kimberely Process? Illustrate what role do you think the three sectors will have in addressing these weaknesses?
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