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3 years ago

Mikes car can accelerate from 0 mph to 40mph in 5 seconds what is the acceeration of his car in miles per hour per second

Physics

2 answers:

Montano1993 [528]3 years ago

8 0

40/5=8. His speed increases 8mph/second :)

Marianna [84]3 years ago

3 0

Mike's car accelerates at 8 mph/mps

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ElenaW [278]

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6 0

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Anna11 [10]

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3 years ago

A constant amount of charge passes through a conductor. How is current affected if the same amount of charge passes in less time

baherus [9]

Answer:

B. The current increases.

Explanation:

As we know that rate of flow of charge through the conductor is known as electric current

So we have

$i = \frac{q}{t}$

here we know that charge Q flowing through the conductor is constant while the time in which it passes through it is decreased

so we can say that the ratio of charge and time will increase

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$i = increased$

So correct answer will be

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4 0

3 years ago

Which statement best explains the speed of light waves as they travel from gas to solid?

igomit [66]

Answer:

Light waves slow down as they travel from gas to solid.

Explanation:

The speed of light is often quoted with reference to a vacuum. Light travels fastest in a vacuum and in a gas.

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Hence the speed of light decreases from gas to solid.

8 0

3 years ago

1. Two forces F~ 1 and F~ 2 are acting on a block of mass m=1.5 kg. The magnitude of force F~ 1 is 12N and it makes an angle of

VLD [36.1K]

Answer:

Normal force=7.48 N

Explanation:

N+F~1 sinθ-mg=0

=>N=1.5*9.8-12 sin37◦

=>N=14.7-7.22=7.48 N

6 0

3 years ago