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3 years ago

Write a short story about a time when you had to overcome the force of gravity to get something done

1 answer:

3 0

<span>At bedtime last night, I had to make a serious and tough decision:
I could either sleep on the couch, under the pile of dogs who act
as if they own the place, or else I had to defy gravity and raise my
mass upward to the second floor of my house, where my bedroom
is located. I decided to sleep in my own bed, and I overcame the
force of gravity and lifted my entire mass up the stairs to the second
floor. I used my leg muscles to do the job.

</span>

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The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on whole huma

Vesna [10]

Answer:

Number of turns per unit length will be $n=2.786\times 10^4turns/m$

Explanation:

We have given that strength of the magnetic field produced by the solenoid B = 7 T

Current in the solenoid i = 200 A

Let the number of turns per unit length is n

Magnetic field due to solenoid is given as $B=\mu ni$ here $\mu$ is permeability of free space n is number of turns per unit length and i is current

So $7=4\pi \times 10^{-7}\times n\times 200$

$n=2.786\times 10^4turns/m$

7 0

3 years ago

Read 2 more answers

Four ways to increase magnitude of current in dynamo

8090 [49]

Answer:

hmm

Explanation:

By increasing the number of turns in the coil, strength of magnetic field, speed of rotation of the coil in the magnetic field and by decreasing the distance between the coil and the magnet the magnitude of the induced e.m.f. can be increased in generator/dynamo.

5 0

3 years ago

If you speed up from rest to 12m/s in 3 seconds, what is your acceleration?

boyakko [2]

b) 4m/s/s

This is because you divide the speed you reach, by the time it takes to get to that speed:

12m/s ÷ 3s = 4m/s/s

The units come from what you divide, meters per second ÷ seconds this can be written as m/s/s or ms-²

6 0

3 years ago

Read 2 more answers

The same amount of thermal energy was added to two equal masses of Aluminum and Iron. The specific heat of Aluminum is double th

Sati [7]

Answer:

it is double the temperature change of iron

3 0

2 years ago

The gravitational attraction between two masses of 3kg that are separated by a distance of 1cm is

Luba_88 [7]

Answer:

6.003×10¯⁶ N

Explanation:

We'll begin by converting 1 cm to m. This can be obtained as follow:

100 cm = 1 m

Therefore,

1 cm = 1 cm × 1 m / 100 cm

1 cm = 0.01 m

Finally, we shall determine the gravitational attraction. This can be obtained as follow:

Mass 1 (M₁) = 3 Kg

Mass 2 (M₂) = 3 Kg

Distance apart (r) = 0.01 m

Gravitational constant (G) = 6.67×10¯¹¹ Nm²/Kg²

Force of attraction (F) =?

F = GM₁M₂ / r²

F = 6.67×10¯¹¹ × 3 × / 0.01²

F = 6.003×10¯¹⁰ / 1×10¯⁴

F = 6.003×10¯⁶ N

Thus the gravitational attraction is 6.003×10¯⁶ N

6 0

3 years ago