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Construct Your Own ProblemConsider an astronaut in deep space cut free from her space ship and needing to get back to it. The astronaut has a few packages that she can throw away to move herself toward the ship. Construct a problem in which you calculate the time it takes her to get back by throwing all the packages at one timecompared to throwing them one at a time. Among the things to be considered are the masses involved, the force she can exert on the packages through some distance, and the distance to the ship.

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Physics 101 Mechanics

Chapter 8

Linear Momentum and Collisions

Moment, Impulse, and Collisions

Cornell University

University of Michigan - Ann Arbor

University of Sheffield

Lectures

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consider that duh! 70 kg astronaut has God 25 kg object in his pocket on Dhere. Ito's put up them together. So So it's them together. So the velocity that he can achieve is given by initial diversity. Toby zero Plus let's say he throws the object with our speed off three meters per second. So we're using that Exhausted is three meters per second dimes long off the daughter of Mass 80 k g. Divided by the remaining mass 70 kg and that comes out to be 0.4 meter for a second Now the velocity, when they are thrown together will come out to be distance over time. Choose the distance to be 100 meter. So we have 100 meter divided by 0.4 2nd equals 252nd. Now let's say he throws the first object. Then he was gained. Velocity V one equals zero. The same exhaust speed, three meters per second times lawn off 80/75 equals is 0.19 meter by second and then he throws the second object so he speed becomes started from 0.19 meters per second to US three meters per second times long off 75/70 and that comes out to be 0.4 meters per second. Now let's say he throws the second object half way down. So the first case, it came out to be this and then then do when you are throwing it at separately. Your time with the 50 meter divided by 0.19 meter per second. Thus 50 meter divided by 0.4 meters per second. ECOWAS 2 58 2nd Thus 1 25 2nd equals 383 2nd so separate toe. We'll make it take longer than when, so together.

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