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2 years ago

A hair dryer is a pump for air. Do a battery and a Genecon act like pumps for charge?

Physics

2 answers:

lyudmila [28]2 years ago

8 0

Answer:

Explanation:

ohaa [14]2 years ago

7 0

Answer:

Yes

Explanation:

Genecon is hand operated power generator. So, it can be use to charge a battery.

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What is kinetic energy of 6 kg bowling ball if it is going 6.1 m/s

weqwewe [10]

Answer:111.63 joules

Explanation:

Kinetic energy=(massx(velocity)^2)/2

Kinetic energy=(6×(6.1)^2)/2

Kinetic energy=(6×37.21)/2

Kinetic energy=223.26/2

Kinetic energy=111.63 joules

7 0

2 years ago

A wheel rotates at 24 revolutions every 3 minutes. This is equivalent to

mrs_skeptik [129]

8 revolutions every minute

8 0

1 year ago

Car B is following Car A and has a greater speed than Car A. the two cars are moving in a straight line and in the same directio

ElenaW [278]

Answer:

Collision force will be same in both the cases.

Explanation:

A perfectly inelastic collision is said to take place when a system loses the amount of its Kinetic Energy at its maximum. In a perfectly inelastic collision, the colliding particles stick to each other. In such a collision, kinetic energy is lost by combining the two bodies with each other.

In situation 1:

Speed of Car A, $v_{A} = 10 mph$

Speed of Car B, $v_{B} = 20 mph$

Relative speed of car A and car B, $v = v_{b} - v_{a} = 10 m/s$

Now, in the situation 2:

Speed of car A, $v_{A} = 30 mph$

Speed of car B, $v_{B} = 40 mph$

Relative speed of car A and car B, $v = v_{b} - v_{a} = 10 m/s$

Therefore, Car A and Car B both have the same relative speed, v = 10 m/s

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2 years ago

Which elements do hydrogen fuel cells combine to produce electricity?

Fynjy0 [20]

Answer:

Hydrogen and Oxygen i believe

Explanation:

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2 years ago

Read 2 more answers

Explain how we use a spectrometer to help us determine what stars and planets are made of?

BaLLatris [955]

We use a spectrometer to help us determine what stars and planets are made of by passing a light through various chemical elements, different spectral patterns are created. By matching those patterns up to patterns generated in a laboratory environment we can tell what the composition of a distant star or planet is.

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2 years ago