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One side of the roof of a building slopes up at 41.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic friction between the rock and the roof is 0.435. The rock slides 10.0 m up the roof to its peak. It crosses the ridge and goes into free fall, following a parabolic trajectory above the far side of the roof, with negligible air resistance. Determine the maximum height the rock reaches above the point where it was kicked.
express the potential difference between the plates.
A parallel plate capacitor has a capacitance of 1.5 microFarad with air between the plates. What is the dielectric constant of the material
Two point charges of + 40.0 ?C and - 10.0 ?C are separated by a distance of 20.0 cm. A +7.00 ?C charge is placed midway between these two charges. What is the electric force acting on this charge
The initial speed of a 2.51-kg box traveling up a plane inclined 37° to the horizontal is 4.42 m/s. How far along the incline does the box travel before coming to a stop
One of the weapons considered for the "Star Wars" antimissile system is a laser that could destroy ballistic missiles. What laser beam intensity will produce such a field
A satellite has a mass of 6043 kg and is in a circular orbit 4.60 × 105 m above the surface of a planet. The period of the orbit is 2.2 hours. What would be the true weight of the satellite
question1marilyn m and her identical in every way twin sister sheila s are riding on a merry-go-round revolving at a
q1. a student in a parked car honks the horn that has a proper frequency of 310.00 hz. an observer in an approaching
An anchor shoots an arrow with a velocity of 45 m/s at the angle of 50 degrees with the horizontal.An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up into the air at th right time and speed ..
A wrecking yard inventor wants to pick up cars by charging a 0.400 m diameter ball and inducing an equal and opposite charge on the car. What is the electric field near the surface of the ball
Two plane mirrors facing each other are 10 m apart. A woman stands 3 m from one of the mirrors and looks at the mirror and sees two distinct images. How far are these images from the woman.
Suppose you performed the experiment in atmosphere of Argon at 25 deg. C, How many electrons have been attached to, or detached from the initially neutral plastic sphere
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