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A home run is hit in such a way that the baseball just clearsa wall 21 m high, located 130 m from home plate. The ball is hit atan angle of 35° to the horizontal, and air resistance is negligible. (Assume that the ball is hit at a height of 1.0 m abovethe ground.)
a) Find the initial speed of the ball.____________ m/sb) Find the time it takes the ball to reach the wall.___________ sc) Find the velocity components of the ball when it reaches the wall.x-component________y-component________d) Find the speed of the ball when it reachesthe wall.________
Light is traveling in an optical medium with a refractive index of 1.55 and is incident on an interface with air. What is the critical angle for light traveling in this optical medium
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In designing rotating space stations to provide for artificial-gravity environments, one of the constraints that must be considered is motion sickness. Studies have shown that the negative effects of motion sickness begin to appear when the rotati..
How much work is done by the outside force in moving the particle from A to B?
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. obtain the work done on the jet by the catapult
a ball is hurled straight up at a speed of 15.0m/s, leaving the hand of the thrower 3.00 m above ground. What is the total distance traveled by the ball just as it passes the window the second time
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A motorcycle and a police car are moving in the same direction, with the motorcycle in the lead. What frequency does the motorcyclist hear in this case
In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but happened to land in snow, compute the magnitude of the impulse on him from the snow?
An extremely light rod 1.00 m long has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. find the moment of inertia of the system about the fixed axis
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