2 years ago

An object starts from rest and accelerates at a rate of 3.0 m/s/s for 6.0 seconds. The velocity at the end of the 6.0 seconds is

Physics

1 answer:

Zepler [3.9K]2 years ago

6 0

Vf=vi+at
=0+3×6
=18m/s

the answer is D.

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3 years ago

During the deceleration of an ascending elevator, the normal force on the feet of a passenger is _____ her weight. During the de

gizmo_the_mogwai [7]

Answer: Smaller than ; larger than

Explanation:

When the elevator is moving in the upward direction, then the force acting on it is negative in nature because of

N= mg +ma, (g is gravity and a is acceleration)

here ma is negative so the N= mg-ma

Hence, it feels smaller than its original weight.

When the elevator is moving downward , then the force acting will be positive in nature

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2 years ago

If you toast a piece of bread then spread butter onto the warm piece of toast, what would be the physical change occurring? What

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Wouldn’t it be from a solid to a liquid

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1 year ago

The picture below shows Lake Jackson in Florida

nikklg [1K]

The reason why Lake Jackson disappeared is A. opening of a sinkhole.
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3 years ago

if you were to draw a 3rd harmonic of a tube open at both ends, what would you draw at the ends of the tube?

Katena32 [7]

A 3rd harmonic of a tube open at both ends will have displacement antinodes at both ends.

In a tube of length L with two open ends, the longest standing wave has displacement antinodes (pressure nodes) at both ends. The fundamental or first harmonic is what it is known as. The second harmonic is the longest standing wave in a tube of length L with two open ends.

Learn more about harmonics here brainly.com/question/17315536

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1 year ago