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2 years ago

PLEASE HELP ASAP!!!!!!! What is the measure of the gravitation force exerted on an object?

Physics

1 answer:

grin007 [14]2 years ago

7 0

Answer:

Weight

Explanation:

The gravitational force between a mass and the Earth is the object's weight. Mass is considered a measure of an object's inertia, and its weight is the force exerted on the object in a gravitational field. On the surface of the Earth, the two forces are related by the acceleration due to gravity: Fg = mg.

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2 someone was described in a novel as riding off into the sunset," then they'd be travelling west. o True o False

Vanyuwa [196]

Answer: west

Explanation: the sunset always sets in the west.

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2 years ago

How much time does it take for a plane To fly 5000 miles if the plane travels a speed of 500 miles per hour?

Vitek1552 [10]

Answer:

10 hours

Explanation:

If the plane flies at 500 miles per hour, it flies 500 miles every hour. So, to find out how many hours it will take to fly 5000, you simply do 5000/500.

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3 years ago

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A single-turn square loop carries a current of 16 A . The loop is 15 cm on a side and has a mass of 3.8×10^−2kg . Initially the

DiKsa [7]

Answer:

The minimum magnetic field is 0.078 T.

Explanation:

Given that,

Current = 16 A

Side = 15 cm

Mass $m= 3.8\times10^{-2}\ kg$

Mass each segment in given square loop is

$m=\dfrac{3.8\times10^{-2}}{4}$

We need to calculate the torque due to gravity

Using formula of torque

$\tau_{g}=2mg(\dfrac{L}{2})+mgL$

$\tau_{g}=2mgL$

The torque due to magnetic field

$\tau_{B}=FL$

$\tau_{B}=BIL^2$

The equilibrium condition

$\tau_{B}=\tau_{g}$

Put the value into the formula

$BIL^2=2mgL$

$B=\dfrac{2mgL}{IL^2}$

$B=\dfrac{2mg}{IL}$

Put the value into the formula

$B=\dfrac{2\times\dfrac{3.8\times10^{-2}}{4}\times9.8}{16\times15\times10^{-2}}$

$B=0.078\ T$

Hence, The minimum magnetic field is 0.078 T.

7 0

3 years ago

When light traveling in straight lines passes through an object that is curved like a lens, the light is ________ at different a

qwelly [4]

Answer:

You are right. It is reflected

Explanation:

if it is concave then the light is reflected at one direction.

if it is convex the light is reflected outwards and they will travel away from the focal point and the light scatters or will be reflected to different directions

3 0

1 year ago

2. What is the speed of a car that travels 73.4 kilometers (km) in 5 hours?

maksim [4K]

Speed =dist./time
=73.4/5
=14.68 km/hr

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2 years ago

Read 2 more answers