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A brick is thrown upward from the top of a building at an angle of 40° to the horizontal and with an initial speed of 14 m/s. If the brick is in flight for 3.5 s, how tall is the building?
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.27 kg, and the wedge has a mass of 5.31 kg. what is the velocity of the ball after the collision
A 3.5-cm tall object is viewed through a converging lens. When the lens moves from one place to another, the orientation of the image changes from upright to inverted. How far from the object does the lens stop
a mass m1 3.1 kg rests on a frictionless table and connected by a massless string over a massless pulley to another
An electron of mass 9.1x10^-31kg is moving in the x-y plane; its speed is 2.0x10^5m/s and its direction of motion makes an angle of 25 degrees by the x-axis. What are the components of the momentum of the electron?
According to a report on traumatic brain injury, the force that a professional boxer's fst exerts on his opponent's head is equivalent to being hit with a 5.9kg bowling ball traveling at 8.9m/s that stops in 0.018s. Determine the average force that t..
A stunt pilot performs a circular dive of radius 715m. At the bottom of the dive pilot has a speed of 265 m/s which at that instant is increasing at a rate of 15 m/s2(along the direction of vector B) What total acceleration does the pilot have at ..
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
A particle of mass m can slide freely along a wire. The wire is straight and horizontal, and is made to rotate about an axis perpendicular to one end at a fixed angular speed wo. Find what is the force that the wire exerts on mass
A grinding wheel in the shape of a solid cylinder of radius 0.333 meter is free to rotate on a frictionless, vertical axle. Determine what is the mass of the wheel
A paperweight, when weighed in air, has a weight of W = 6.9N.When completely immersed in water, however, it has a weight of Win water = 4.3 N. Find the volume of the paper weight
Determine how much work is required to push a 1500 kilogram vehicle 1000 meter, up a 10o incline, If kinetic frictions is ignored
A bicycle wheel of radius 0.6 m is spinning at a rate of 120 revolutions per minute. What is the period of the wheel's motion
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