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Otrada [13]
3 years ago
15

8. What is the difference between mechanical waves and electromagnetic waves?

Physics
1 answer:
Scorpion4ik [409]3 years ago
4 0
A electromagnetic waves are produced by the vibration of the charged particles in a mechanical wave is a wave that is not capable of transmitting its energy through a vacuum mechanical waves for cure a medium in order to transport their energy from one location to another is sound wave is an example of a mechanical wave
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When the biker is at the top of the ramp, he has a speed of 10 m/s at
oksian1 [2.3K]

Answer:

25000

Explanation:

100 x 25 x 10 = 25000

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3 years ago
A 0.450 kg soccer ball has a kinetic energy of 119 J.
Anastaziya [24]

Answer:

V is approximately = 23m/s

Explanation:

Kinetic energy = ½ mv²

Where m= mass = 0.450kg

V= velocity =?

K. E = 119J

Therefore

K. E = ½ mv²

Input values given

119= ½ × 0.450 × v²

Multiply both sides by 2

119 ×2  = 2 × 1/2 × 0.450 × v²

238= 0.450v²

Divide both sides by 0.450

238/0.450 = 0.450v²/0.450

v² = 528.89

Square root both sides

Sq rt v² = sq rt 528.89

V = 22.998m/s

V is approximately = 23m/s

I hope this was helpful, please rate as brainliest

8 0
3 years ago
What is the formula to calculate the thickness of a test tube?​
Maslowich

Answer:

Having the inside dimensions (ID) and the outside dimensions (OD) will allow you to figure out the wall thickness on tubing. You would need to subtract the ID from the OD and then divide by two. This number is the wall thickness.

Explanation:

4 0
3 years ago
A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force. Let us take it that the force act
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Answer:

cos 0 = 1.

Fs = 7×8 = 56 J

Explanation:

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I really need help.
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2/5 = .4
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