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Sedaia [141]
2 years ago
12

Does altitude has an effect on weight? PLEASE HELP!​

Physics
1 answer:
Studentka2010 [4]2 years ago
4 0

Answer:

Yes

Explanation:

The farther something is from the center of mass of an object such as a planet, the lower the gravitational force between them

F = GMm/d²

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A boat is traveling at 80 km/hr. How many hours will it take for the boat to cover a distance of 115 km?
miskamm [114]

Answer:

Explanation:

Givens

d = 115 km

r = 80 km/hr

t = ?

Equation

d = r*T

Solution

115 = 80 * t    Divide by 80

115/80 = t

t = 1.4375 hours.

3 0
2 years ago
A force F~ = Fx ˆı + Fy ˆ acts on a particle that
Hatshy [7]

Answer:

W = 46 J

Explanation:

We need to find the angle between the two vectors Force vector and displacement vector.

First we will find the angle α of the force vector

tan\alpha =\frac{1}{8} \\\\\\alpha =7.125 deg\\

Then we find the angle β of the displacement vector

tan\beta=\frac{2}{6} \\\\beta = 18.43 deg\\

With these two angles we can find the angle between the two vectors

∅ = α + β = 25.56 deg

The definition of work is given by the expression

W=F*d*cos (theta)

The absolute value of F will be:

F=\sqrt{8^{2}+1^{2}  } \\F= 8.06 N

The absolute value of d will be:

d=\sqrt{(6 )^{2}+(2)^{2}  } \\d= 6.32m\\

Now we have:

W=8.06*6.32*cos(25.56)\\W=46 J

4 0
3 years ago
Ruff, the 50 cm tall Labrador Retriever stands 3m from a plane mirror and looks at his image. What is Ruffs image position and h
GaryK [48]
Ruff's image is 50m behind the mirror surface and the image is also 3m tall.

This is because it is a plane mirror.
5 0
3 years ago
In order to be _______________ forces, their effects must cancel each other out and not cause a change in the object's motion
Tju [1.3M]
Balancing.

When the same force is applied from both sides,the forces cancel out each other.
4 0
3 years ago
Which of the following is not true about elements.
alexgriva [62]

Answer:

C

Explanation:

elements are classified as covalent, ionic, metallic

8 0
2 years ago
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