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Determine the acceleration of a car which starting from rest reaches a speed of 30 meter per second after 6 seconds.
Two balls , one of gold with a mass of 100 kg and one of wood with a mass if 1 kg, are suspended 1 meter apart. find attractive force the wooden ball acting on the gold ball
An airplane travels a distance 270 m down the runway before taking off. If it starts from rest, moves with a constant acceleration, what is its speed when it takes off
A 0.650 MeV x-ray is Compton scattered at 90° by a free electron in an aluminum foil. a) What is the wavelength of the incident photon? b) What is the wavelength of the scattered photon? c) What is the energy of the recoiling electron?
A charged conducting sphere has a radius of 10.0 cm and is surrounded by an electric field. What is the potential at the center of sphere
A stunt man whose mass is 70 kg swings from the end of a 3.7-m long rope along arc of a vertical circle. Presume he starts from rest when the rope is horizontal.
A harmonic wave travels in a wire with amplitude of 3.25 mm, wavelength 2.04 m, and frequency 636 Hz. What is the speed with which the wave travels
a golfer hits a shot to a green that is elevated 2.80 m above the point where the ball is struck. the ball leaves the
A wheel of radius 1.5m rotates at a constant angular velocity. A point at the edge of the wheel experiences centripetal acceleration of 1.2m/s^2. What is the linear speed of that point
Two earthquake waves of the same frequency travel through the same portion of the Earth, What is the ratio of the amplitudes of the two waves
A cylindrical barrel with a radius of 30 centimeter and a mass of 75 kilogram rolls across a warehouse floor without slipping. Calculate the total kinetic energy of the barrel
A ring is fitted loosely (with no friction) around a long, smooth rod of length L = 0.561 m. The rod is fixed at one end, and the other end is spun in a horizontal circle at a constant angular velocity of ? = 3.57 rad/s.
A ball player hits a home run, and the baseball clears a wall 8.00 m high located 140.1 m from home plate. The ball is hit at an angle of 35.2 to the horizontal, and air resistance is negligible. Suppose the ball is hit at a height of 1.3 m above the..
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