3 years ago

What is the terminal velocity of a penny falls off a skyscraper

Physics

1 answer:

Naya [18.7K]3 years ago

7 0

The penny will reach terminal velocity at 50 ft. Then it will travel 25 mph till it reaches ground.

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A dog runs to chase a ball. He travels 6m in 3.2 seconds. How fast is the dog running?

Artyom0805 [142]

So v=d/s so the answer is 6/3.2 so the answer is 1.87m/s

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2 years ago

13) A branch falling from a tree is to gravity as a car driving on the road is to A) a driver's foot off of the accelerator, coa

IgorC [24]

a driver's foot off the accelerator and on the break pedal. C

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2 years ago

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What is that distance traveled by an arrow going 78 m/s for 5 seconds

pshichka [43]

Explanation:

velocity=distance/time

distance= velocity×time

distance= 78×5=390m

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2 years ago

A car accelerates from rest to 37.3 m/s in 7 sec. What is the acceleration?

Sergio039 [100]

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2 years ago

B. Explain why it is more difficult to move an object at rest, than to keep an object moving

vfiekz [6]

Answer:

because the static friction is higher than the kinetic friction

Explanation:

Inertia is resistance to motion. Object resist changing its current motion or the rest position. This is the Newton's first law of motion

apart from this as the graph shows , the force needed to move when object at rest is higher than the force to change the motion of a moving body . this is because

static friction > kinetic friction

static friction is the friction acts on a object resting on a rough surface
kinetic friction is the friction acts on an object when it is moving on a rough surface

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3 years ago