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A cue ball (mass=0.165 kg) is at rest on africtionless pool table. The ball is hit dead center by a poolstick, which applies an impulse of +1.50 N*s to the ball. Theball then slides along the table and makes an elastic head-oncollision with a second ball of equal mass that is initially atrest. Find the velocity of the second ball after it isstruck.
Two objects are thrown from the tope of a 10m tall builing. The first objects is thrown upwards with a velocity of 15 m/s, Determing the speed of both objects just before they hit the ground
A projectile is fired such that its horizontal range is equal to 2.0 times its maximum height. Find the angle the projectile was fired at
A pipe that is closed on one end is 1.2 meters long. What are its fundamental frequency and its first two overtones? What are its new first and second harmonic frequencies
A 234.0 g piece of lead is heated to 86.0oC and then dropped into a calorimeter containing 611.0 g of water that initally is at 24.0oC. find the final equilibrium temperature (in oC) of the lead and water
A cylindrical conductor has resistance of R0 = 200 ? (ohms). what's the value of the new resistance in ohms
A vertical cylinder 6 ft tall and 1 ft in diameter might be used to approximate a man for heat-transfer purposes, Calculate the heat lost from the cylinder
q. a small statue is recovered in an archaeological dig. its weight is measure to be 211.2 lb and its volume 0.176 ft3.
Four long wires are kept on each corner of a square of side 58cm and the current of 22A flows throgh them in the direction, Find the magnitude of the net force on the wire
A physics student wants to cool a glass of Diet Cola (mostly water), initially at 27°C, by adding ice initially at -18°C. If there is 250g of Diet Cola in the glass, how much ice must they add so that the final temperature will be 0°C?
A copper ball with a radius of 1.6cm is heated until its diameter has increased by 0.17mm. find the final temperature of the ball.
A 25.0 kg child on a 2.00 m long swing is released from rest when the ropes of the swing make an angle of 60.0 degrees with the vertical. determine the childs speed at the lowest position
A square with sides of length L has a point charge at each of its four corners. Find the magnitude and sign of the charges Q such that each of the +1.00 µC charges experiences zero net force
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