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A soccer ball is kicked with an initial horizontal velocity of 18 m/s and an initial vertical velocity of 21 m/s.
1) What is the initial speed of the ball?
2) What is the initial angle ? of the ball with respect to the ground?
3) What is the maximum height the ball goes above the ground?
4) How far from where it was kicked will the ball land?
5) What is the speed of the ball 1.1 seconds after it was kicked?
6) How high above the ground is the ball 1.1 seconds after it is kicked?
What is the tension in the string.At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods.
When his mom asked him why he is smoking he told her, "Don't worry mom, it is not that bad after all." Which term is being described in Trent's situation.
What is your displacement after running 2.60 west on Strawberry Fields, 1.1 south on Penny Lane, and 5.0 north of east at 40 degree on Abbey Road.
If, instead, the gold is drawn out into a cylindrical fiber of radius 1.5µm, what is the length of fiber.
A stone is thrown horizontally from the roof of a tall building with a speed of 23.3 m/s. If the cliff is 26.5 high and stone lands on level parking lot below, how far from the building will the stone land?
Two lenses that are L = 42 cm apart are used to form an image, as shown in figure. Find the distance from lens and magnification of the image.
A 110 ball and a 250 ball are related by a 38--long, massless, rigid rod. The balls rotate about their center of mass at 150 what is the speed of the 110 ball.
A 0.360 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball.
The fastest pitched baseball was clocked at 46 m/s. If the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1m, and a baseball has a mass of 145 g.
Two wires are tied to the 500 sphere. The sphere revolves in a horiIzontal circle at a constant speed of 6.8.
Speedy Sue, driving at 34.0m/s, enters a one-lane tunnel. She then observes a slow-moving van 175m ahead traveling with velocity 5.40 m/s. Sue applies her brakes but can accelerate only at 2.00 m/s2 since the road is wet. Will there be a collision..
A sled weighs 100N. It is held in place on a frictionless 20 degrees slope by a rope attached to a stake at the top, the rope is parallel to the slope. What is the normal force of slope acting on the sled.
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