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A diver jumps off a 4.50 m high diving board with a velocity of 1.65 m/s vertically upward.
(a) Draw a diagram and clearly show your choice of coordinate system.
(b) What is the highest point the diver reach (in reference to diving board)?
(c) How long after the jump, the diver reaches the highest point?
(d) What is the diver's velocity just before he hits the the water?
Light enters a container of benzene at an angle of43^\circ to thenormal; the refracted beam makes an angle of 27^\circ withthe normal. Calculate the index of refraction of benzene.
When jumping straight down, you can be seriously injured if you land stiff-legged. In a stiff-legged landing he comes to a halt in 1.61 ms. Find the magnitude of the average net force that acts on him during this time
A dog running in an open field has components of velocity v, = 2.6 m/s and Vy = -1.8 m/s at t, = 10.0 s. For the time interval from f, = 10.0 s to 12 = 20.0 s, the average acceleration of the dog has magnitude 0.45 m/s2 and direction 31.00 measure..
A parallel plate capacitor has a capacitance of 8.0 µF when filled with a dielectric. estimate the dielectric constant of the dielectric
What is the maximum speed with which a 1060kg car can round a turn of radius 75m on a flat road if the coefficient of static friction between tires and road is 0.80.
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. obtain the speed of a satellite in a geosynchronous orbit
The net force actingon a 6.0-kg object is given by Fx= (10.0 - x) N,where Fx is in newtons andx is in meters. How much work is done on the object as it moves from x = 0.0 to x = 10.0m
A satellite, moving in an elliptical orbit, is 357 km above Earth's surface at its farthestpoint and 184 km above at itsclosest point. Calculate the semimajor axis of the orbit. Calculate the eccentricity of the orbit.
A cannonball is fired at an angle of 38.0 degrees above the horizontal with an initial speed of 58.0 m/s. Neglect air resistance. What is the magnitude of the horizontal component of the cannonball's displacement at the end of 2s
A football is kicked from the ground with a velocity of 38 m/s at an angle of 40 degrees and eventually lands at the same height. How far away does the ball land
The spacing between atomic planes in a crystal is0.120nm. 12.0keV x rays are diffracted by this crystal. What is the angle of first-order diffraction?
a pitcher throws a horizontal fastball with a velocity of 34 m/s to the left. The batter hits the baseball horizontally to the right with a speed of 52 m/s. How much work is done on the baseball by the bat
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