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Murljashka [212]
3 years ago
5

Explain constant and changing velocity.

Physics
2 answers:
Igoryamba3 years ago
7 0

Answer:

To summarize, an object moving in a uniform circular motion is moving around the perimeter of the circle with a constant speed. While the speed of the object is constant, its velocity is changing. Velocity, being a vector, has a constant magnitude but a changing direction.

alina1380 [7]3 years ago
3 0

Answer:

In order for the velocity to be constant, the magnitude of the velocity (or speed) and the direction of the velocity must not change. Therefore, an object that travels with constant velocity covers the same distance during each time interval and moves in the same direction during the same time interval.

Explanation:

<em>Credit to the person who wrote the comment on your problem, i wrote it here so it is easier seen</em>

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Two forces of 5N and 7N respectively act on an object. When will the resultant of the two vectors be at a maximum?
Oxana [17]

The maximum possible resultant is (5 + 7) = 12N .  It occurs
when both forces act on the object in the same direction.
6 0
4 years ago
the sun is one hundred and fifty million kilometers away from earth write this in scientific notation​
Viefleur [7K]

Answer: its 15 i think  i hope this helps

Explanation:

As an example, the distance from Earth to the Sun is about 150,000,000,000 meters – a very large distance indeed. In scientific notation, the distance is written as 1.5 × 1011 m.

6 0
2 years ago
This is a bitter guord flower. Pick out the correct statement related to the picture:
xenn [34]

Answer:

look if its at school

Explanation:

just ask teacher to help because if we say you will not learn

just say to teacher"pls can you help me with this and everything you

don't understand

3 0
3 years ago
How much power is required to lift a 2.0 kg mass at a speed of 2.0 m/s? a. 2.0 W c. 9.8 W b. 4.0 W d. 39 W
liberstina [14]

Answer:

d: 39W

Explanation:

Power(P) = w/t = F*d/t = F*v = m*a*v= 2*9.8*2 = 39.2W

6 0
3 years ago
Read 2 more answers
Hire rubs an inflated balloon on his hair and his hair sticks to the balloon as he moves the balloon away from his head how does
sergey [27]

The options are missing and they are;

A) the electric force increases because the balloon loses its charge.

B) the electric force increases because the distance increases.

C) the electric force decreases because the distance increases.

D) the electric force decreases because his hair loses its charge.

Answer:

Correct answer is option C - the electric force decreases because the distance increases.

Explanation:

The formula for electric force is;

F = k•q1•q2/r²

Where;

K is coulombs constant

q1 and q2 are particle charges

r is distance

So,looking at the formula given earlier, if we increase the distance, the denominator will increase and thus the Force will decrease.

So the correct option is option C

8 0
3 years ago
Read 2 more answers
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