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A 5.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown below. (a) How much work is done by the force as the block moves from the origin to x = 8.0 m? (b) It the block has a speed of 2.1 m/s at the origin, what is its speed when it reaches x = 8.0 m?

A 5.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown below. (a) How much work is done by the force as the block moves from the origin to x = 8.0 m? (b) It the block has a speed of 2.1 m/s at the origin, what is its speed when it reaches x = 8.0 m?

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A 5.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown below. (a) How much work is done by the force as the block moves from the origin to x = 8.0 m ? ◻ (b) It the block has a speed of 2.1 m / s at the origin, what is its speed when it reaches x = 8.0 m ? ◻

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