Business, 14.02.2020 18:37 nama34

THE SITUATION BELOW APPLIES TO THE NEXT TWO QUESTIONS (QUESTION 5 AND 6):

When you drop a 4.5 kg watermelon off the Dennison building, it reaches a terminal velocity of around 35 m/s second before smashing into the ground.

If the collision between the watermelon and the ground lasts 3 milliseconds, what is an estimate of the average force the watermelon exerts on the ground while it is landing?

7600 N
420 N
52500 N
106000 N
Given this terminal velocity in the previous question (question 5), What is the combination of the drag coefficient C and the cross-sectional area, CA, which appears in the fluid friction equation Ff=1/2C?Av2.

0.06 m2
1.25 m2
0.005 m2
6.02 m2
THE SITUATION BELOW APPLIES TO THE NEXT TWO QUESTIONS (QUESTION 7 AND 8):

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds.

If the boy and the scooter together have a mass of 30 kg, what is their final velocity?

2.06 m/s
12.54 m/s
5.83 m/s
0.99 m/s
How far do they travel while she pushes?

1.65 m
10.23 m
16.22 m
35.18 m

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THE SITUATION BELOW APPLIES TO THE NEXT TWO QUESTIONS (QUESTION 5 AND 6):

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