A rubber ball with a mass of 0.190 kg is dropped from rest. From what height (in m) was the ball dropped, if the magnitude of the ball's momentum is 0.760 kg · m/s just before it lands on the ground?
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- A 0.34 kg softball has a velocity of 19 m/s at an angle of 35° below the horizontal just before making contact with the bat. What is the magnitude of the change in momentum of the ball while it is in contact with the bat if the ball leaves the bat with a velocity of (a)25 m/s, vertically downward, and (b)25 m/s, horizontally back toward the pitcher?A 0.58 kg ball is moving horizontally with a speed of 3.8 m/s when it strikes a vertical wall. The ball rebounds with a speed of 2.5 m/s. What is the magnitude of the change in linear momentum of the ball?Charles and David are running while playing a game of soccer. If Charles (110. kg) is traveling east at a constant 5.00 m/s and David (70.0 kg) is traveling north at a constant 4.00 m/s, what is the magnitude of the total linear momentum of the pair of players?
- A 0.130-kg baseball is dropped from rest. If the magnitude of the baseball's momentum is 1.75 kg⋅m/s just before it lands on the ground, from what height was it dropped?A 0.84 kg ball moving horizontally at 9.0 m/s strikes a vertical wall and rebounds with speed of 5.0 m/s. What is the magnitude of the change in its linear momentum.A 1.99-kg particle has a velocity (2.05 i 2.99 ĵ) m/s, and a 3.01-kg particle has a velocity (1.09 1 + 6.08 j) m/s. (a) Find the velocity of the center of mass. î+ ₁) 1 m/s (b) Find the total momentum of the system. Î+ i) kg. m/s
- Two people, each with a mass of 85.00 kg, are paddling their canoe downstream with a speed of 1.520 m/s relative to the water, in a river that flows with a speed of 2.790 m/s with respect to the shore. What is the magnitude of the total momentum of the people, in kg⋅m/s, with respect to the shore?(a) What is the momentum in kg · m/s of a garbage truck that is 1.30 ✕ 104 kg and is moving at 33.0 m/s? (Enter a number.) (b) At what speed in m/s would an 8.00 kg trash can have the same momentum as the truck? (Enter a number.)A 2.06-kg particle has a velocity (1.92 î − 2.98 ĵ) m/s, and a 2.90-kg particle has a velocity (1.06 î + 5.93 ĵ) m/s. (a) Find the velocity of the center of mass. (b) Find the total momentum of the system.
- The figure below shows a person in a canoe on a lake. The person's mass is 68 kg, and the canoe's is 135 kg. The person and canoe are initially at rest when the person throws a package of mass m = 15 kg horizontally to the right with a speed of vi = 4.0 m/s. What is the velocity of the canoe after the package is thrown? Neglect any resistance force from the water. (Give the magnitude in m/s, and select the correct direction from the options given.) A person in a canoe throws a package of mass m to the right with velocity vector vi. magnitude m/sdirection(a)A bullet with a mass of 2.00 g moves at a speed of 1.50 ✕ 103 m/s. If a baseball of mass 142 g has the same momentum as the bullet, what is its speed (in m/s)? m/s (b)Which has greater kinetic energy, the ball or the bullet? The bullet has greater kinetic energy.The ball has greater kinetic energy. Both have the same kinetic energyA 91 kg object has a velocity whose magnitude is 45 m/s and whose direction is 264°. What is the direction of this object's momentum (in degrees)?