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nikdorinn [45]
3 years ago
9

Ill give brainlist help pleaseee asap

Physics
1 answer:
KIM [24]3 years ago
7 0

Answer:

20. This is a transverse wave.

21. a is a Crest

b is the wavelength

c is the amplitude

d is the trough

e isthe amplitude

f is the wavelength

g is time

Explanation:

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Find the mass of a body if the acceleration the body used to move is given as 5 m/s-2 and the force of the body is 30N take g=10
Aleonysh [2.5K]

The mass of a body if the acceleration the body used to move is given as 5 m/s-2 will be 3 kg.

<h3>What is force?</h3>

Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body.

Force is defined as the product of mass and acceleration. Its unit is Newton.

Given data;

Force,F = 30 N

Mass,m =  kg

Acceleration,a = 5 m/s²

The force is found as;

F=ma

30 N =m kg × 5 m/s²

m=3 kg

Hence the mass of a body will be 3 kg.

To learn more about the force refer to the link;

brainly.com/question/26115859#SPJ1

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If you are given time and distance, you can determine power if you know force. watts. energy. joules.
DENIUS [597]
If you are given time and distance, you can determine power if you know force. watts. energy. joules.

Answer is joules.     

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3 years ago
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If a car moves with a speed of 50 km / h and thirty minutes later it has a speed of 30 km / h, it indicates that the car is slow
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In a uranium fission reaction, uranium splits into two smaller atoms and energy. Where did the energy come from?
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Answer: C. Some of uranium's mass is converted into energy, so the smaller atoms have less mass.

Explanation:

From Einstein's mass-energy relation:

E = mc²

Mass and energy are equivalent. Mass can be converted into energy and energy into mass.

When Uranium atoms under go nuclear fission, smaller atoms are formed and huge amount of energy is released. This energy comes from the mass difference of the uranium nuclei and new nuclei formed. This mass converted into energy according to Einstein's equation.

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