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agasfer [191]
2 years ago
10

An objest with the mass of 2 kg is accelerated at 4 m/s2. the net force acting on the object is

Physics
1 answer:
poizon [28]2 years ago
5 0
From Newton’s 2nd law of motion
F=ma
= 2*4
=8N

8N should be the answer
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How long will it take a plane to fly 1256km<br> if it travels 500km/hr?
expeople1 [14]

Answer:

<h3>The answer is 2.51 s</h3>

Explanation:

The time taken can be found by using the formula

t =  \frac{d}{v}  \\

d is the distance

v is the velocity

From the question we have

t =  \frac{1256}{500}  \\  = 2.512

We have the final answer as

<h3>2.51 s</h3>

Hope this helps you

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2 years ago
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lisabon 2012 [21]

Answer:

liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.

6 0
3 years ago
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barxatty [35]
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3 years ago
A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm
____ [38]

Answer:

53.13 °

Explanation:

In order to do this, we just need to apply the following:

tanα = Dy/Dx

Where:

Vy: speed of the ball in the y axis.

Vx: speed of the ball in the x axis.

At this point we do not need the speed of the first ball after the collision because in that moment is already heading in the direction that we are looking for. Therefore, we just need to use the innitial data to calculate the direction which the first ball will go.

According to this, then:

tanα = (40/30)

tanα = 1.3333

α = tan⁻¹(1.3333)

<h2>α = 53.13°</h2>

This means that the final direction of the first ball is 53.13° and in the x axis because the starting momentum of this ball in the x axis has not dissapeared.

Hope this helps

6 0
2 years ago
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yawa3891 [41]

Answer:

Explanation:

6.2 miles

6 0
3 years ago
Read 2 more answers
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