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stira [4]
2 years ago
10

What’s the answer??????????????????

Physics
1 answer:
Sophie [7]2 years ago
7 0
The answer was increases
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A trolley is moving at constant speed in a friction compensated track. Some plasticine is dropped on the trolley and sticks on i
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Answer:

Since the momentum of the body remains constant ( conserved) the trolley slows down (its velocity reduces) since its mass increases.

5 0
1 year ago
According to Ohm’s law, which combination of units is the same as the unit for resistance? volt ÷ ampere ampere × volt volt + am
Maksim231197 [3]

Answer:

volt ÷ ampere

Explanation:

The mathematical form of Ohms law is given by :

V = IR

Where V is voltage

I is current

R is resistance

R=\dfrac{V}{I}

The unit of voltage is volt and that of current is ampere

Unit of resistance :

R=\dfrac{\text{volt}}{\text{ampere}}

So, volt ÷ ampere is the same as the unit of resistance. Hence, the correct option is (a).

6 0
2 years ago
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According to the rayleigh criterion, what is the shortest object we could resolve at the 25.0 cm near point with light of wavele
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Answer:

6.71 *10^{-5} rad

Explanation:

∅ = \frac{1.22*wavelength}{D} = \frac{1.22*550 * 10^{-9} }{25 * 10^{-2} }

∅ = 6.71 *10^{-5} rad

The minimum resolvable angle = 6.71 *10^{-5} rad

7 0
2 years ago
Explain why steel is mor dense than water
natta225 [31]
Steel is more dense because it’s heavy while water is light
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2 years ago
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A 100 kg cart on a roller coaster has 1800J of kinetic energy. How fast is it going?<br> KE= 1/2mv2
34kurt

Answer:

the speed is equal to 6 m/s

Explanation:

7 0
2 years ago
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