Q 1: Which could potentially cause you the greater injury; beingtackled by a lig
ID: 1678481 • Letter: Q
Question
Q 1: Which could potentially cause you the greater injury; beingtackled by a light-weight, fast-moving football player, or being tackled by a player withdouble the mass but moving at half the speed?Q 2: For each situation, state whether the collision is elastic orinelastic. If it is inelastic, state whether it is completely inelastic or not? a) You drop a ball from your hand. It collides with the floorand bounces back up so that it just reaches your hand. b) You drop a different ball from your hand and let it collidewith the ground. This ball bounces back up to half the height from which it wasdropped. c) You drop a ball of clay from your hand. When it collideswith the ground, it stops.
Q 3: Will the centre of mass in continue on the same parabolictrajectory even after one of the fragments hits the ground? Why or why not
Q 4: (a)If a rocket in gravity- free outer space has the samethrust at all times, is its acceleration constant, increasing or decreasing? (b) If the rocket has the same acceleration at all times, isthe thrust constant, increasing or decreasing? Q 1: Which could potentially cause you the greater injury; beingtackled by a light-weight, fast-moving football player, or being tackled by a player withdouble the mass but moving at half the speed?
Q 2: For each situation, state whether the collision is elastic orinelastic. If it is inelastic, state whether it is completely inelastic or not? a) You drop a ball from your hand. It collides with the floorand bounces back up so that it just reaches your hand. b) You drop a different ball from your hand and let it collidewith the ground. This ball bounces back up to half the height from which it wasdropped. c) You drop a ball of clay from your hand. When it collideswith the ground, it stops.
Q 3: Will the centre of mass in continue on the same parabolictrajectory even after one of the fragments hits the ground? Why or why not
Q 4: (a)If a rocket in gravity- free outer space has the samethrust at all times, is its acceleration constant, increasing or decreasing? (b) If the rocket has the same acceleration at all times, isthe thrust constant, increasing or decreasing? Q 2: For each situation, state whether the collision is elastic orinelastic. If it is inelastic, state whether it is completely inelastic or not? a) You drop a ball from your hand. It collides with the floorand bounces back up so that it just reaches your hand. b) You drop a different ball from your hand and let it collidewith the ground. This ball bounces back up to half the height from which it wasdropped. c) You drop a ball of clay from your hand. When it collideswith the ground, it stops.
Q 3: Will the centre of mass in continue on the same parabolictrajectory even after one of the fragments hits the ground? Why or why not
Q 4: (a)If a rocket in gravity- free outer space has the samethrust at all times, is its acceleration constant, increasing or decreasing? (b) If the rocket has the same acceleration at all times, isthe thrust constant, increasing or decreasing? Q 3: Will the centre of mass in continue on the same parabolictrajectory even after one of the fragments hits the ground? Why or why not
Q 4: (a)If a rocket in gravity- free outer space has the samethrust at all times, is its acceleration constant, increasing or decreasing? (b) If the rocket has the same acceleration at all times, isthe thrust constant, increasing or decreasing?
Explanation / Answer
Q4: Using newtons second law, (a) F=ma, if thrust is constant, acceleration with increasebecause the mass of the rocket will decrease. This is due tothe fact that your rocket is burning fuel and decreasing theoverall mass. (b) Again using F=ma, if a is constant, m is decreasingcausing your thrust to decrease as well.Related Questions
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