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Two soccer players start from rest, 43 m apart. They run directly toward each other, both players accelerating. The first player's acceleration has a magnitude of 0.56 m/s2. The second player's acceleration has a magnitude of 0.47 m/s2.
(a) How much time passes before the players collide?
(b) At the instant they collide, how far has the first player run?
A golfer takes two putts to get his ball into the hole once he is on green. The first putt displaces the ball into the ball 6.7 m east, and the second 2.16 m south. What displacement would have been needed to get the ball into the hole on first putt.
A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 92 km/h. What is the frequency of the car horn
A proton moving at 3.1×105m/s to the right enters a region where a uniform electric field of magnitude 53kN/C points to the left
A diver springs upward with an initial speed of 2.19 m/s from a 3.0-m board. What is the highest point he reaches above the water
A long string is wrapped around a 6.60 diameter cylinder, initially at rest, that is free to rotate on an axle. The string is then pulled with a constant acceleration of 1.70 until 1.30 of string has been unwound. If the string unwinds without slippi..
A 2.30 N force pushes it to the left, and a 0.800 N force pushes it to the right. (a) Taking right to be positive, what is the net force acting on it? (b) What is its acceleration?
You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor. What is the work done by friction on the crate
Two balls are on a frictionless horizontal tabletop. Ball X initially moves at 10 meters per second, which angle and at what velocity will ball y move
In a local bar, a customer slides an empty beer mug down the counter for a refill, With what velocity did the mug leave the counter
In a second training exercise, the centrifuge speeds up from rest with a constant angular acceleration. When the centrifuge reaches an angular speed of 2.50 rad/s.
if you decrease the hanging mass by a factor of four( 0.55 kg/4) but keep the linear mass density the same, by what factor does the fundamental frequency change
A ballistic pendelum of mass 1kg is struck by a 0.003kg bullet moving at 600 m/s. How high does the pendulum swing
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