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harkovskaia [24]
2 years ago
5

What is gravitational acceleration​

Physics
2 answers:
Thepotemich [5.8K]2 years ago
6 0

Answer:

gravitational acceleration is the acceleration of an object in free fall within a vacuum (and thus without experiencing drag). This is the steady gain in speed caused exclusively by the force of gravitational attraction.

Galina-37 [17]2 years ago
5 0

Answer:

Gravitational acceleration is described as the object receiving an acceleration due to the force of gravity acting on it. It is represented by ‘g’ and its unit is m/s².

Gravitational acceleration is a quantity of vector, that is it has both magnitude and direction.

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A key falls from a bridge that is 45 m above the water. the key falls straight down and lands in a model boat traveling at a con
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Let the key is free falling, therefore from equation of motion

h = ut +\frac{1}{2}gt^2..

Take initial velocity, u=0, so

h = 0\times t + \frac{1}{2}g t^2= \frac{1}{2}gt^2.

h = 0\times t + \frac{1}{2}g t^2= \frac{1}{2}gt^2 \\\ t =\sqrt{\frac{2h}{g} }

As velocity moves with constant velocity of 3.5 m/s, therefore we can use formula

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d = 3.5 \ m/s \times \sqrt{\frac{2 \times 45 m}{9.8 m/s^2} } = 10.60 m.

Thus, the distance the boat was from the point of impact when the key was released is 10.60 m.

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__ is the apparent in the position of an object when viewed from two locations
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Which material will heat up the most quickly if placed near a heat source?
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