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3 years ago

I need help asap plss this is important

Physics

2 answers:

lukranit [14]3 years ago

6 0

Use reasonings that support your claim

Lady_Fox [76]3 years ago

4 0

I think it would be “use reasoning statements to show how the data supports your claim”

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As shown above an adhesive has been applied to contacting faces of two blocks so that the blocks interact with an adhesive force

rusak2 [61]

The magnitude of the adhesive force allows the top block to remain

attached to the bottom when the blocks and the wire are balanced.

The option that must be true is; $\mathbf{W_{bottom} = F_{adhesion}}$

Reason:

The tension exerted by the wire attached to the top block = T

Magnitude of the adhesive = $F_{adhesion}$

Weight of the top block = $W_{top}$

Weight of the bottom block = $W_{bottom}$

Given that with the exertion of the tension, the two blocks remain at rest, we have;

T = $W_{top}$ + $W_{bottom}$

The adhesive causes the bottom block to remain attached to the top block, we have;

Therefore, the magnitude of the adhesive force adds the bottom weight, to the top, weight, which gives;

The magnitude of the adhesive force = The weight of the bottom block

Therefore;

$W_{bottom}$ = $F_{adhesion}$

Learn more here:

brainly.com/question/18907970

8 0

3 years ago

A car of mass 500 kg is moving at a speed of 1.2 m/s. A man pushes the car,

rusak2 [61]

The answer is D I’m not really sure yet

6 0

3 years ago

Two identical stones, A and B, are thrown from a cliff from the same height and with the same initial speed. Stone A is thrown v

Taya2010 [7]

Answer:

Option A

Explanation:

This can be explained based on the conservation of energy.

The total mechanical energy of the system remain constant in the absence of any external force. Also, the total mechanical energy of the system is the sum of the potential energy and the kinetic energy associated with the system.

In case of two stones thrown from a cliff one vertically downwards the other vertically upwards, the overall gravitational potential energy remain same for the two stones as the displacement of the stones is same.

Therefore the kinetic energy and hence the speed of the two stones should also be same in order for the mechanical energy to remain conserved.

5 0

3 years ago

Read 2 more answers

What do you mean by booting ?whst are typez of booting

Evgen [1.6K]

Answer:

plz mark brainlist

8 0

2 years ago

Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.

ankoles [38]

Answer:

The correct answer is - 200000 J

Explanation:

We use the formula of kinetic energy:

The formula to calculate kinetic energy is,

Here,

Ec =1/2 x m x v^2

The mass of the roller coaster is, m = 1000 k g

The speed of the roller coaster is, v = 20.0 m/s

Therefore,

Ec=1/2 x 1000kg x (20m/s)^2 = 200.000Joule

200,000J

7 0

3 years ago

I need help asap plss this is important ​

I need help asap plss this is important