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gayaneshka [121]

2 years ago

14

PLEASE HELP I WILL GUVE BRAINLY

1 answer:

katen-ka-za [31]2 years ago

8 0

Answer:

While they might look intimidating, the battle ropes are a simple workout tool that everyone can use. You'll train the muscles in your upper back, arms, abs, back, glutes and if you incorporate jumps, lunges, and squats, you can also work your legs!

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If two asteroids moved closer together, what would be the result on the gravitational force each asteroid exerts on the other?

spayn [35]

Gravitational force depends on inverse square law. That is, gravitational force is inversely proportional to square of distance between asteroids.
As distance between them decreases, gravitational force increases. Hence A is correct.

7 0

2 years ago

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A 0.14-MIN baseball is dropped from rest. It has a momentum of 0.90 kg⋅m/skg⋅m/s just before it lands on the ground.

nikitadnepr [17]

The time spent in the air by the ball at the given momentum is 6.43 s.

The given parameters;

<em>momentum of the ball, P = 0.9 kgm/s</em>
<em>weight of the ball, W = 0.14 N</em>

The impulse experienced by the ball is calculated as follows;

$Ft = \Delta P$

where;

$Ft$ is impulse

$\Delta P$ is change in momentum

The time of motion of the ball is calculated as follows;

$t = \frac{\Delta P}{F} \\\\t = \frac{0.9 - 0}{0.14} \\\\t = 6.43 \ s$

Thus, the time spent in the air by the ball at the given momentum is 6.43 s.

Learn more here:brainly.com/question/13468390

7 0

2 years ago

If a runner does 1,500 J of work over 10.0 s, then how much power does she have?

erma4kov [3.2K]

I would say 150 joules, i don't know if its right though check

8 0

3 years ago

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When a wire within a closed circuit is coiled upon a nail, the nail will _______.

Natali5045456 [20]

when wire is coiled upon a nail then it will posses magnetic characteristics

This is due to the coiled shape it will behave like a solenoid and the magnetic field of solenoid is given as

$B = \mu_o ni$

so here when wire is coiled up on a nail then due to the magnetic field of the coil the nail will attain magnetic characteristic.

so correct answer will be

<em>Possess magnetic properties </em>

5 0

3 years ago

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What is the difference between stretching a t shirt and stretching a rubber band?

labwork [276]

It depends on their tension. Normally, the rubber band store more tension than a t shirt.

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3 years ago