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Physics

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Royce Homenick

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Cards in this guide (10)
Brittney can run 100 meters in 12 seconds at a constant speed What is her speed in meters per second

8.3 m/s

A car travels 65 km in 1 hour What is its average speed in meters per second

18 m/s

How can power be increased

by decreasing time needed to do work or increasing the amount of work done

On A+ the answer is by decreasing time needed to do work"Power is energy per unit time." You can increase it or generate more energy by working harder. You can also increase it by working faster.

What most influences whether or not an object will float

An object's density influences its buoyancy, thus determining whether or not an object will float

Which type of force is exerted on the support ropes of a hammock when you lie in it

Tension

Which factor gives force to fluids

pressure

A speed boat is moving at a velocity of 25 ms runs out of gas and drifts to a stop 3 minutes later 100 meters away What is the rate of deceleration

0.14

Where on earth would you expect atmospheric pressure to be highest

at the surface

Which term is a pulling force exerted by solids

Tension is a pulling force that is exerted by solids.

A long distance runner starts a race at 1 he increases his speed to 3 during the middle of the race and slows down to 2 at the end in total he runs 2000 meters in 12 minutes what is average speed

2.8 m/s A+ program answer (:

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