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Leya [2.2K]
2 years ago
13

How many millimeters are in 8 meters?

Physics
1 answer:
frutty [35]2 years ago
3 0

Explanation:

8 m × (1000 mm / m) = 8000 mm

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iVinArrow [24]

Answer:

apply more energy to the object with more mass

Explanation:

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2 years ago
An important news announcement is transmitted by radio waves to people sitting next to their radios 42 km from the station and b
Alik [6]

Answer:

news will reach to the listener who are 42 km apart

Explanation:

given,

distance of the radios from the station = 42 Km

speed of the sound in the air = 343 m/s

distance of the people = 9.26 m

time =\dfrac{distance}{speed}

time taken by the signal to reach to the radio

speed of the electromagnetic wave to reach to the people

speed of electromagnetic wave = 3 × 10⁸ m/s

t =\dfrac{42000}{3 \times 10^8}

t = 1.4 μs

time taken to reach to the people

time =\dfrac{distance}{speed}

t =\dfrac{9.26}{343}

t = 27 ms

time taken by the station to radio is less.

hence, news will reach to the listener who are 42 km apart

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3 years ago
Which sound characteristic is not affected by the relative motion of an object?
irinina [24]

intensity is the answer. i just got it on the test

4 0
3 years ago
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If the net force is 7 what is the magnitude
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Answer:

14

Explanation:

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2 years ago
if a girl is running along a straight road with uniform velocity 1.5 metre per second find the acceleration​
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Acceleration is 0.

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Since the girl is running with a uniform velocity, meaning she is moving at a constant rate, she is not accelerating. Acceleration only occurs when the speed of an object increases, decreases, or if there is a change in direction.

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