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Arada [10]
3 years ago
9

How can I solve this?

Physics
1 answer:
inysia [295]3 years ago
3 0
There is no equation here
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According to Newton's second law of motion, if we have a rigid, unchanging mass and we observe it accelerating, what must be hap
kkurt [141]

The force is applied to the accelerating object that has a constant mass. Option A is correct.

<h3>What does Newton's second law of motion state?</h3>

The force applied to the object is the product of its mass and acceleration.

F = ma

Where,

F - force

m- mass

a - acceleration

From the equation, the force and the acceleration are in a proportional relation. The mass is not changing as given in the question.

Therefore, the force is applied to the accelerating object that has a constant mass.

Learn more about Acceleration:

brainly.com/question/2437624

8 0
2 years ago
A person lifts a 4.5 kg cement block a vertical distance of 1.2 m and then carries the block horizontal- ly a distance of 7.3 m.
Delvig [45]
<span>When a person lifts the block, the block has more potential energy. Therefore the person does positive work on the block. work = m g h work = (4.5 kg) (9.80 m/s^2) (1.2 m) work = 52.92 joules The person's work on the block is 52.92 joules When the block is being raised, the force of gravity opposes the motion. Therefore the force of gravity does negative work on the block. work = - (force) (h) work = - m g h work = -(4.5 kg) (9.80 m/s^2) (1.2 m) work = -52.92 joules The work done by the force of gravity on the block is -52.92 joules Note that when the block is moved horizontally, the potential energy does not change. Therefore there is no work done on the block when it moves horizontally (we are assuming that the kinetic energy does not change).</span>
6 0
3 years ago
When a cold air mass catches up with a warm air mass, the resut is often<br> a(n)<br> front.
Alex777 [14]

Answer:

a cold front i think

Explanation:

4 0
3 years ago
What is the advantage of having nuclear physics?
LekaFEV [45]
Nuclear physics<span> is the study of the protons and neutrons at the centre of an atom and the interactions that hold them together in a space just a few femtometres (10-15 metres) across. It would be advantageous because we understand how atoms behave. Hope this answers the question.</span>
5 0
3 years ago
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Which of the following would be a valid method to increase the buoyant force acting on an object?
shepuryov [24]
I think it’s B hope this helps.
4 0
2 years ago
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