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A superball and a clay ball are droped from a height of 10 cm above a table top. They have the same mass 0.05 kg and the same size. The superball bounces off the table and rises back to the same height. The clay ball sticks to the table. For the clay ball in the previous question, calculate the magnitude of the impulse exerted on the clay ball.
The figure below shows the horizontal forces acting on a sailboat moving north at constant velocity, seen from a point straight above its mast. At the particular speed of the sailboat, the water exerts a = 389-N drag force on its hull and ? = 36.0°.
If 5.0 ´ 1021 electrons pass through a 20-W resistor in 10 min, what is the potential difference across the resistor
Four identical point charges (+ 2.50 nC) are placed at the corners of a rectangle which measures 2.00m x 4.00m. If the electric potential is taken to be zero at infinity
A 300-g aluminum cup contains 1000 g of water in thermal equilibrium with the cup at 65°C. At what rate is energy being removed
A 0.200 kg projectile is fired with a velocity of +745m/s at a 2.0kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +45 m/s. Find out the velocity with which the p..
Four identical charges (+2.1 ?C each) are brought from infinity and fixed to a straight line. Determine the electric potential energy of this group
The mass of the motor is four times the mass of the module. What is the speed (in km/h) of the command module relative to Earth just after separation?
A solenoid has a cross-sectional area of 5.8 x 10-4 m2, consists of 330 turns per meter, and carries a current of 0.41 A. Find the average current induced in the coil
illustrate what minimum projection angle would achieve this result? What maximum pro- jection angle would achieve this result?
You let a ball roll from rest from the top of a ramp sitting on a table. If the top of the ramp is 14 cm above the top of the table, how fast is it moving when it reaches the bottom
Assume that air pressure is 1.00 atm and the air temperature is 23o C. If the abolute zero apparatus is open to the air, how many moles of air will it hold
A long solenoid has n turns per unit length and a radius R. If the current in the solenoid varies as I(t) = I(0)sin(wt), what is the induced electric field as a function of r both inside and outside the solenoid
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