Which best describes two counteracting forces on an object?

Physics

2 answers:

aliina [53]4 years ago

4 0

Answer:

Explanation:

If not B vote me next.

kotykmax [81]4 years ago

3 0

Answer: B- Two children pulling apart a wishbone

Explanation: I took the test :)

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Why do some objects bounce when you throw them at a wall?

Wewaii [24]

Answer:

When you throw a ball against a wall or drop it onto the floor, you notice that it bounces back up again. In the same way, when the ball hits the floor and gets squished, it pushes back against the floor to try to make itself round again.

Explanation:

3 0

3 years ago

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algol13

3.skull
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3 years ago

A 0.0600-kilogram ball traveling at 60.0 meters per second hits a concrete wall. What speed must a 0.0100-kilogram bullet have i

GarryVolchara [31]

Answer:

the speed that have 0.0100 kilogram bullet with the similar momentum magnitude is 360 m/s

Explanation:

The computation of the speed that have 0.0100 kilogram bullet with the similar momentum magnitude is as follows:

The ball momentum is

$\Delta Q = mv\\\\\Delta Q = 6 \times 1^-2 \times 60\\\\\Delta Q = 3.6 kg \times m/s$

As there is a similar momentum

So,

$\Delta Q = MV\\\\3.6 = 10^-2V\\\\V = 360 m/s$

Hence, the speed that have 0.0100 kilogram bullet with the similar momentum magnitude is 360 m/s

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3 years ago

A 10.0 m wire is hung from a high ceiling and held tightly below

yan [13]

Answer:

5 m

Explanation:

Speed of waves is as the product of frequency and wavelength hence expressed as s=fw where f is the frequency of waves in Hz, s is the speed in m/s and w is wavelength in meters.

Making w the subject of the formula then

$w=\frac {s}{f}$