Motion - Describe how the gravitational force between two objects depends on their masses and the distance between them.
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Q 1/6
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A ball of mass m is spun in a circle in a counterclockwise direction. Draw the velocity and acceleration vectors for the ball at the point shown. All vectors must be labeled correctly and have the correct relative length and direction. The picture must be submitted to receive credit for this question. (5pts)
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Q 2/6
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A ball of mass m is spun in a circle in a counterclockwise direction. What is the period velocity the ball is moving at if the length of the cable is 0.6m and the period is measured to be 2 seconds. All work must be shown. The picture must be submitted to receive credit for this question. (5pts)
60
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6 questions
Q.
A ball of mass m is spun in a circle in a counterclockwise direction. Draw the velocity and acceleration vectors for the ball at the point shown. All vectors must be labeled correctly and have the correct relative length and direction. The picture must be submitted to receive credit for this question. (5pts)
1
60 sec
SC.912.P.12.3
Q.
A ball of mass m is spun in a circle in a counterclockwise direction. What is the period velocity the ball is moving at if the length of the cable is 0.6m and the period is measured to be 2 seconds. All work must be shown. The picture must be submitted to receive credit for this question. (5pts)
2
60 sec
SC.912.P.12.3
Q.
A ball of mass m is spun in a circle in a counterclockwise direction. What is the tension in the cable that would cause the ball to have the velocity from the previous question. All work must be shown. The picture must be submitted to receive credit for this question. (5pts)
3
60 sec
SC.912.P.12.3
Q.
Two masses are some distance apart and exert a force of gravity on each other. How would the force change (specifically) if the distance between the masses were to quadruple? All work or explanations must be shown. The picture must be submitted to receive credit for this questions. (5pts)
4
60 sec
SC.912.P.12.4
Q.
A 20kg box is brought to a new planet that has twice the mass of earth and twice the radius of earth. What would the weight of the box be measured to be? Show all work. The picture must be submitted to receive credit for this question. (10 pts)
5
300 sec
SC.912.P.12.4
Q.
A moon is found to have a mass of 4x10^21 kg. How far away from the center of this moon would you need to be in order to feel a gravitational field strength of 1N/kg? All work must be shown. The picture must be submitted to receive credit for this question. (10 pts)
