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Lynna [10]
4 years ago
12

Hi, pls help with this question. Thank you.

Physics
1 answer:
topjm [15]4 years ago
5 0

Answer:

i: Gamma Rays

ii: Infrared

Explanation:

It just is:)

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I think the answer is a
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Listening to your stereo system while driving can be dangerous because:
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Hey there!

They answer is option C music would make it harder to focus on the road.

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3 years ago
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A car jumps off a ramp with a Kinetic energy of 5,000 joules. This same car has a gravitational potential energy of 4,685 joules
Sedaia [141]

Answer:

14,653 J.

Explanation:

We know that,

Total mechanical energy is equal to the sum of all the potential and kinetic energies.

Given,

Kinetic energy when a car jumps off a ramp= 5000 J

Potential energy = 4685 J

Potential energy when the car lands= 4968 J

TME = 5000 + 4685 + 4968

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Hence, the car's total mechanical engery is equal to 14,653 J.

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3 years ago
A rocket accelerates at 25m/s^2 for 5s before it runs out of fuel and dies. What is the maximum height reached by the rocket?
sineoko [7]

Answer:

1109m

Explanation:

The distance h₁ traveled by the rocket during acceleration:

h_1=\frac{1}{2}at^2

The velocity v₁ at this height h₁:

v_1=at

When the rocket runs out of fuel, energy is conserved:

E=\frac{1}{2}mv_1^2+mgh_1=mgh_2

Solving for h₂:

h_2=\frac{v_1^2}{2g}+h_1=\frac{(at)^2}{2g}+\frac{1}{2}at^2

8 0
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The power of an engine is a measure of
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Answer:

d

Explanation:

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