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poizon [28]
3 years ago
11

.Please explain to me how to find the momentum

Physics
1 answer:
nexus9112 [7]3 years ago
8 0

Answer:

momentum = mass x velocity

Explanation:

So ultimately, find the mass of the object (be careful since this is not the same as weight. Weight is your gravitational pull to the earth. This means that your weight different amounts on different planets. But mass stays the same on all planets, it's what most people call their weight.) and then find the velocity (2 meters/second north, etc.)

Now you can apply this to your problem

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Write any two uses of plane mirrors?​
dexar [7]

Answer:

<h2>Uses of plane mirrors</h2>

They are used in periscopes, for signalling, in kaleidoscopes, to see round dangerous bends, in meters, as mirror tiles, in a sextant, in an overhead projector, an SLR camera, car wing mirrors, in microscopes and as reflecting number plates to mention only some!

Explanation:

Hope it is helpful....

6 0
3 years ago
Read 2 more answers
A 1400-kg car is moving at a speed of 25m/s. how much kinetic energy does the car have?
Luba_88 [7]

Answer:

437.5Kjoules

Explanation:

K.E=half multiply by mass multiply by square of velocity

=437.5Kjoules

3 0
3 years ago
What is the quality of the sound of an ambulance's siren when it moves toward a stationary hearer? What is the quality of the so
Damm [24]

Answer:

A) As the ambulance's siren moves toward a stationary hearer, the quality of sound will have a higher pitch

B) As the ambulance's siren moves away from a stationary hearer, the quality of sound will have a lower pitch.

Explanation:

From Doppler effect, the closer the source of sound gets to the observer, the higher the frequency and in turn the higher the pitch.

Meanwhile, the farther a source goes from an observer, the lower the frequency of the sound and also the lower the pitch.

Thus, as the ambulance's siren moves toward a stationary hearer, the quality of sound will have a higher pitch.

As the ambulance's siren moves away from a stationary hearer, the quality of sound will have a lower pitch.

4 0
3 years ago
Read 2 more answers
Oil, natural gas, nuclear, and coal are all examples of _______________
cluponka [151]

Non-Renewable Resources.

8 0
3 years ago
What is the mass of a car traveling at a velocity of 16 meters per second with a kinetic energy of 130, 048 joules
a_sh-v [17]

Explanation:

KE = ½ mv²

130,048 J = ½ m (16 m/s)²

m = 1016 kg

3 0
3 years ago
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