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a basball pitcher pitches with a horizontal velocity of 80mph(36m/s) the horizonatal distance from the point of release to home plate is 59ft. the batter decides to swing thebat 0.30seconds after the ball was released by the pitcher. the batter swings the bat with an average angular velocity of 675 degree/second. the angular displacement needed to get the bat from behind the batter's shoulder to the hitting position above home plate is 155degree, now assuming that the batter does hit the ball and makes contact at the sweet pot. the bat has an intantanous angular velocity of 1375.2 degree/second at the instant of contact. the distance from the axis of rotation for the swing to the sweet spot of the bat is 1.25meters. in m/s what is the intantous linear velocity of the sweet spot at the instant of ball contact?
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
Point A is located 0.259 m away from a charge of -2.11 x 10-9 C. Point B is located 0.487 m away from the charge. What is the electric potential difference VB - VA between these two points.
a snowboarder moves along a horizontal ramp before going off of the edge of the ramp. 1.8s after leaving the ramp, find the snowboarders speed at the moment she leaves the ramp
A flatbed truck is carrying a load of timber which is not tied down. the mass of the timber is 800 kg, What is the highest acceleration that the truck can have without losing its load
A ford focus has a wheelbase of 274cm. Upon weighing, it is found that the front wheels have a weight of 7000 N, What is the weight of the vehicle
A 29.0 kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 85.0 N and is directed at the angle of 30.0° above the horizontal. Find out the coefficient of kinetic friction.
Body A weighs 104 N, and body B weighs 30 N. The coefficients of friction between A and the incline are ?s = 0.56, Find the acceleration of A if A is initially at rest
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
if the radius of the equipotential surface of a point charge is 10.5 m, what are the magnitude and sign of the point charge
A 20.0 kg wood ball hangs from a 1.70 m-long wire. The maximum tension the wire can withstand without breaking is 500 N. What is the largest speed this projectile can have without causing the cable to break
Workers pushing a 180-kg trunk across a level floor encounter a 10-m long region where the floor becomes increasingly rough; the coefficient of kinetic friction enhancements.
The magnitude of earth's magnetic field is 50.0 µT and makes an angle of 30° with the plane of the coil. Assume a patient takes 1.50 s to inhale, find the magnitude of average induced emf in the coil during that time.
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