Recent content by annabelx4

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    Problem 7.46: Riding a Loop-the-loop

    Homework Statement A car in an amusement park ride rolls without friction around the track shown in the figure . It starts from rest at point at a height above the bottom of the loop. Treat the car as a particle. What is the minimum value of (in terms of ) such that the car moves...
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    Apply the law of conservation of energy to an object

    Homework Statement Learning Goal: To apply the law of conservation of energy to an object launched upward in the gravitational field of the earth. In the absence of nonconservative forces such as friction and air resistance, the total mechanical energy in a closed system is conserved...
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    Two blocks with different mass

    Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is suspended from the ceiling. The masses are released from rest, and the more massive one starts to descend. After this block has descended a distance 1.40 , its speed is...