Determine the time required for the ball to reach the floor. Construct a motion map for the golf ball from the time it is dropped until it reaches its highest point of rebound. Perfectly elastic collision with the floor.Ī. A golf ball that weighs 0.45 N is dropped from a height of 1.0 m. For how much time must the engine burn during the launch in order to reach this speed?ĥ. A rocket, weighing 4.36 x 104N, has an engine that provides an upward force of 1.2 x 105N. Modeling Instruction - AMTA 2013 2 U9 Momentum - ws 2 v3.1Ĥ. How large is the force the ball exerts on the bat? Explain. What is the final velocity of the ball? d.
When the batter hits the ball, a net force of 1150 N, opposite to the direction of the ball's initial motion, acts on the ball for 9.0 x 10-3 s during the hit. If the initial speed of the baseball is v = 0.0 m/s, what will its speed be when it leaves the pitcher's hand? c. What is the magnitude of the change in momentum of the ball?ī. While being thrown, a net force of 132 N acts on a baseball (mass = 140 g) for a period of 4.5 x 10-2 sec. The following questions refer to the motion of a baseball.Ī. Justify your answer.ī) Find the value of the ratio of kinetic energy C to kinetic energy D. Object C has twice the velocity of object D.Ī) Find the value of the ratio of momentum C to momentum D. Two other objects, C and D, have identical masses.
Justify your answer.ī) Find the value of the ratio of kinetic energy A to kinetic energy B. Object A has 3 times the mass of object B.Ī) Find the value of the ratio of momentum A to momentum B. Two objects, A & B, have identical velocities. Impulsive Force Model Worksheet 2: Impulsive Forces and Momentumġ. Modeling Instruction - AMTA 2013 1 U9 Momentum - ws 2 v3.1