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A man stands on the roof of a 19.0 -tall building and throws a rock with a velocity of magnitude 30.0 at an angle of 42.0 above the horizontal. You can ignore air resistance.
A.Calculate the maximum height above the roof reached by the rock.
B.Calculate the magnitude of the velocity of the rock just before it strikes the ground.
C.Calculate the horizontal distance from the base of the building to the point where the rock strikes the ground.
On a frictionless table, a glob of clay of mass 0.24 kg strikes a bar of mass 1.34kg perpendicularly at a point 0.38m from the center of the bar and sticks to it. If the bar is 1.14 m long and the clay is moving.
A 57 kg skier starts from rest at a height of H = 19 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal.
A Carnot engine absorbs 4.65×103 J from the hot reservoir and expels 3.12×103 J to the cold reservoir during each engine cycle. what is the temperature of the hot reservoir
A 1.1 kg particle-like object moves in a plane with velocity components vx = 20 m/s and vy = 50 m/s, What is its angular momentum relative to the origin at this moment
Vertically polarized light with an intensity of .60 W/m^2 passes through a polarizer whose transmission axis is at an angle of 35 degrees with the vertical
A star similar to our sun radiates energy at the prodigious rate of 4.2 x 1026 W. At what rate does this star convert mass into energy
A loop of diameter 15 cm is placed in a uniform electric field of magnitude 6.0 102 N/C. (a) What is the electric flux through the loop when the electric field is perpendicular to the plane of the loop? N·m2/C.
A major leaguer hits a baseball so that it leaves the bat at a speed of 28.0m/s and at an angle of 34.6? above the horizontal. What is the direction of the baseball's velocity when it returns to the level at which it left the bat
As a 13,800 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. what was the plane's landing speed
Consider two particles, each with a charge of +Q located at the opposite corners of a square of side d. What is the direction of the net electrical field at point P
You want to throw a pebble at a window located 9.6 m above the ground, making sure that the pebble hits the lowest part of the window with a strictly horizontal velocity. What is the velocity with which the pebble hits the window
A white light beam shines directly on a very thin oil film that floats on water, where the incident beam normal to the surface. Find the wavelength and color of the light
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