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Two spaceships are traveling in the same direction. With respect to an inertial frame of reference, spaceship A has a speed of 0.900c. By respect to the similar inertial frame, spaceship B has a speed of 0.500c. Discover the speed vAB of spaceship A relative to spaceship B.
A car in a roller coaster moves along a track that consists of a sequence of ups and downs, Derive a general expression for the speed v of the car
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Determine the astronaut's orbital speed
Two boats, traveling at 5 and 10 kms per hour, head directly each other. They begin at a distance of 20 kms from each other. How far apart are they (in kms) one minute before they collide.
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 655 m/s. What is the horizontal distance between the end of the rifle and the bull's-eye
A box starts out at the top of a frictionless ramp, then slides down. The ramp has a heighth=3meters and a slope of5degrees with respect to the ground. What is the total mechanical energy of the box at the top of the ramp
The figure below shows a wooden cylinder with mass m = 0.225 kg and length L = 0.600 m, with N = 50.0 turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long central axis of the cylinder.
A sphere with mass 0.3 kg and radius 0.05 cm is rolling without slipping along a horizontal surface at a speed of 10 m/s. What height does the sphere come to rest
A child builds a simple cart consisting of a 0.60 m by 1.20 m sheet of plywood of mass 8.5 kg and four wheels, each 20.0 cm in diameter and with a mass of 1.98 kg. It is released from the top of a 15° incline that is 32 m long.
At t = 0, an automobile travelling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.70 m until, at t = 1.60s, it is travelling east. The car does not alter its speed all through the turn.
The objective lens in a microscope with a 25.0 cm long tube has a magnification of -50.0 and the eyepiece has a magnification of20.0. What is the focal length of the objective
A brick is initially 10.74 cm high and an aluminum can is initially 10.75 cm high. By how much must their temperatures be raised in order for the brick
During 0.12 s, a wheel rotates through an angle of 2.34 rad as a point on the periphery of the wheel moves with a constant speed of 2.29 m/s
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