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amid [387]
3 years ago
9

Help!!!! i will give brainlist

Physics
2 answers:
Vlada [557]3 years ago
8 0
Answer is 3 that is The amount of matter in an object.
KIM [24]3 years ago
6 0

Answer:

ans is 3

Explanation:

Mass is a measure of the amount of matter in an object. ... Mass measures the quantity of matter regardless of both its location in the universe and the gravitational force applied to it. An object's mass is constant in all circumstances; contrast this with its weight, a force that depends on gravity.

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The car has more inertia than the bike. Why? Because the car has a greater mass than the bicycle.

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS AND I NEED ALL CORRECT ANSWERS ONLY!!!
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Bar magnets have 2 poles. I think. Answer: first choice

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An ant climbs to the very end of the second hand on a wall-mounted clock at exactly 9:15:00. The second hand is 13.5 cm long. Wh
Mekhanik [1.2K]

Answer:

Explanation:

a) The second arm measures the minutes. The difference between 9:17:30 and 9:15:00 is 2 minutes 30 seconds. This means the second arm would have revolved 2.5 times.

The circumference = 2πr= 2π(13.5 cm) = 84.823 cm

Distance = 2.5 × 84.823 cm = 212 cm = 2.12 m

b) Displacement of an object is the shortest distance between the initial and final point. Since the second arm revolves 2 and half times, we use only the half times (a semicircle)

Displacement for semicircle = 2r = 2(13.5) = 27 cm

c) Average speed = distance / time

time = 2 minutes 30 seconds = 150 seconds

Average speed = 212 cm / 150 s = 1.41 cm/s

d) Average velocity = displacement / time = 27 cm / 150 s = 0.18 cm/s

e) number of revolutions = 100 m / circumference = 100 m / 0.848 m = 117.92

but 1 revolution = 1 minute

117.92 revolution = 117 minutes 55 seconds = 1 hour 57 minutes 55 seconds

Hence the time would be: 11:12:55

3 0
3 years ago
What happens to waves energy when it’s absorbed by an median
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Answer:

Absorption, in wave motion, the transfer of the energy of a wave to matter as the wave passes through it. The energy of an acoustic, electromagnetic, or other wave is proportional to the square of its amplitude—i.e., the maximum displacement or movement of a point on the wave; and, as the wave passes through a substance, its amplitude steadily decreases.

Explanation:

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Explain why it is dangerous to touch the live wire when a switch in the<br> mains circuit is open.
Fudgin [204]

Answer: all the energy is rushed in the wires due to the swich turning on when touching it may start a fire or electricute

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fs

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4 years ago
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