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insens350 [35]
3 years ago
12

A bar magnet has

Physics
1 answer:
MrRissso [65]3 years ago
8 0

Answer:

b

Explanation:

Bar magnets have two magnetic poles

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9. Luke is an astronaut that moves his position in the space shuttle by climbing a
BartSMP [9]

Explanation:

Remember that power is defined as how much Work is done per unit of time.

P = \frac{dW}{dt}

Work is defined as the amount of force applied across a certain distance.  

W = F*d

Since in both cases of climbing the ladder (on Earth and the moon), Luke coveres the same amount of <em>distance </em>in the same amount of <em>time</em>, we are only left with one difference between the two cases - gravity.

If you were to carry your backpack on the moon with the same load of text books, it would take less force to pick it up on the moon. Therefore, Luke expends less effort on the environment with less gravity - the moon.

To find the difference factor - you would want to divid the gravitational contants between earth and the moon.

6 0
3 years ago
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A 3000-N force gives an object an acceleration of 15m/s^2 the mass of the object is?
Shkiper50 [21]

Answer:c will be answer

Explanation:Because u know F=ma so if we wanna know m then we should move a on left side and it will be in divide with f after moving on left side so

M=F/A

7 0
3 years ago
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Why could the beam of particles not have a neutral charge?
tino4ka555 [31]

Answer:

The positive and negative charges balance each other. Overall, the atom is uncharged (neutral). However, if something happens to make an atom lose or gain an electron then the atom will no longer be neutral. An atom that gains or loses an electron becomes an ion.

Explanation:

I think this is the answer : D

4 0
3 years ago
Write relationship between hertz and megahertz​
dusya [7]

Explanation:

1 mega Hertz = 1000000 hertz

8 0
3 years ago
According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of wate
WARRIOR [948]

Answer:

25

Explanation:

Given:

1 can of concentrate requires 3 cans of water

Now,

Total ounces in 200 6-ounce cans = 1200 ounces

also,

for 1 can of concentrate requires 3 cans of water

thus,

for 12 ounces can water can required = 3 × 12 ounces = 36 ounces of cans

Thus,

total ounce of juice per can = 12 + 36 = 48 ounces per can

therefore,

the number of 12-ounce cans required  are = \frac{\textup{Ttoal ounces}}{\textup{Ounces per can}}

or

= \frac{\textup{1200}}{\textup{48}}

or

the number of 12-ounce cans required  are = 25

8 0
3 years ago
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