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A spotlight is mounted on a pole at the end of a fishing pier as shown below. If the light is mounted a distance of y = 3.90 m above the water, and the light strikes the water at a point that is x = 7.20 m horizontally from the end of the pier, determine the distance from the end of the pier to the point where the light strikes the bottom of the lake if the water is 3.00 m deep.
A 5.1 g marble is fired vertically upwardusing a spring gun. The spring must be compressed 8.0 cm if themarble is to just reach a target 13 mabove the marble's position on the compressed spring.
The distance from the center of a Ferris wheel to a passengerseat is 9 m. What centripetal acceleration does a passenger experience
Common transparent tape becomes charged when pulled from a dispenser. If one piece is placed above another, the repulsive force can be great enough to support the top piece's weight.
An ice skater is gliding horizontally across the ice with an initial velocity of +7.14 m/s. The coefficient of kinetic friction between the ice and the skate blades is 0.0631, and air resistance is negligible. How much time elapses before her velo..
point a is at position 4j -3kcm. point b is at position -3cm k. point c is at position 3i -2j 5k cm. point d is at
a 6-kg bowling ball rooling at 5m/s strikesa stationary 4-kg bowling ball.if ball number one is moving forward at 2m/s after the collision, what is the impluse of the system
Determine the operating frequency of the circuit shown in figure.
a balloon that has fb 12n takes up a volume of 3.3l. what must the density of the air be for the ballon to float? what
What is the final velocity of a hoop that rolls without slipping down a 3.00 m high hill, starting from rest
A pinhole camera is made from an 82cm -long box with a small hole in one end, how tall will the image of the person on the film be
A pendulum bob with a mass of 0.39 kg is attached to a 1.5 m long string as shown. As the pendulum bob swings from point A, where the angle is (theta) =37 degrees, to point B at the bottom of its arc, decide the change in its gravitational potential ..
the next two questions refire to the following scenario. Determine the horizontal velocity of the arrow
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