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zhenek [66]
3 years ago
7

Can a flashlight cause skin cancer

Physics
1 answer:
gizmo_the_mogwai [7]3 years ago
4 0

Answer:

No

Explanation:

It doesn't use the same UV rays as the sun, but it can still damage other cells.

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A transport plane travelling at a steady speed of 132 ms and an altitude of 113 m, releases a parcel when it is directly above a
Crank

Answer:

what time you thinking. about coming down to take a break and ok I will get to?. that was a right answer?

7 0
3 years ago
Which of the following is true about all electromagnetic waves in a vacuum
Helen [10]
Electro waves in a vacuum air is deals with this and electricity when the air and the electricity it  makes electro magnets.
4 0
3 years ago
Read 2 more answers
How is power defined?
erastova [34]

d. the rate at which work is accomplished

6 0
3 years ago
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A 2,537-kg truck moving at 14 m/s strikes a car waiting at a traffic light, hooking bumpers. The two continue to move together a
slavikrds [6]

Answer:

1902.75 kg

Explanation:

From Law of conservation of momentum,

m₁u₁ + m₂u₂ = V (m₁ + m₂).................... Equation 1

make m₂ the subject of the equation,

m₂ = (m₁V - m₁u₁)/(u₂-V)..................... Equation 2

Where m₁ = mass of the truck, m₂ = mass of the car, u₁ initial velocity of the truck, u₂ = initial velocity of the car V = common velocity

Given: m₁ = 2537 kg, u₁ = 14, V= 8 m/s, u₂ = 0 m/s ( as the car was at rest waiting at a traffic light)

Substituting into equation 2.

m₂ =[2537(8) - 2537(14)]/(0-8)

m₂ = (20296-35518)/-8

m₂ = -15222/-8

m₂ = 1902.75 kg.

Thus the mass of the car = 1902.75 kg

5 0
3 years ago
Which has a higher frequency, a wave that makes 7 cycles per second or one that makes 12 cycles per second?
brilliants [131]

Answer:

A sound wave that has a higher frequency is a wave that makes 12 cycles per second.

Explanation:

The frequency of a wave is the same as the frequency of the vibrations that caused the wave. This takes more energy, so a higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.

6 0
3 years ago
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