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A ball is thrown horizontally from the top a of building 43.7 m high. The ball strikes the ground at a point 114 m from the base of the building. The acceleration due to gravity is 9.8 m/s^2. The time the ball is in motion is 2.99 seconds.
What would the initial velocity be?
The x-component of velocity before it strikes the ground?
The y-component before it strikes the ground?
find static friction between the chair and the floor.
You place a 3.63-mm-high diamond on the axis of and 12.7 cm from a lens with focal length -5.15 cm. How high is the image
Light is refracted through diamond from air. If the angle of incidence is 30 °, what is the speed of light in diamond
A certain type of laser emits light that has a frequency of 4.9 × 1014 Hz. How many wavelengths are there in one pulse
a box with a side of length L=3.00cm is positioned with one of its corners at the origin of a rectangular coordinante system. What is the electric flux through the bottom of the box
The electric potential at a position located a distance of 19.8 mm from a positive point charge of 7.80×10-9C, Calculate the value of the second charge
A 60.0 kg pole vaulter running at 12.0 m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump?
Horse races once around a circular track in a time of 176 s, with a speed of 26 m/s. What is the radius of the track.
An ideal gas in a container is at a temperature of 78.5°C. What is the average translational kinetic energy of a gas
A ball of mass 0.300kg that is moving with a speed of 5.4m/s collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. Find the magnitude and direction of his average acceleration
A spear fisherman is using m a laser rifle, he is standing in a stream 0.5m deep, if the laserstruck the water 5m out from the fisherman, how far was his feet from the fish
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