2 years ago

What word means the same thing as force of gravity?

Physics

1 answer:

RideAnS [48]2 years ago

3 0

Answer:

B. Weight

Explanation:

Weight is the force of gravity exerted on a body

It's the force exerted on a body by the influence of the earth's gravitational force

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3 years ago

3. A 40-gram ball of clay is dropped from a height, h, above a cup which is attached to a spring of spring force constant, k, of

zheka24 [161]

Answer:

the maximum speed of the ball is 12.65 m/s

Explanation:

Given;

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$\frac{1}{2} kx^2 = \frac{1}{2} mv^2\\\\ kx^2 = mv^2\\\\v^2 = \frac{kx^2}{m} \\\\v = \sqrt{\frac{kx^2}{m}} \\\\v = \sqrt{\frac{(25)(0.506)^2}{0.04}} \\\\v = \sqrt{160.0225} \\\\v = 12.65 \ m/s$

Therefore, the maximum speed of the ball is 12.65 m/s

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3 years ago

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