High roof of the gymnasium
With what minimum speed must you toss a 130 ball straight up to hit the 15.0 -high roof of the gymnasium if you release the ball 1.10 above the ground? Solve this problem using energy.
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On an icy day, you worry about parking your car in your driveway, which has an incline of 12 degrees. Your neighbor's driveway has an incline of 9.0 degrees, and the driveway across the street is at 6.0 degrees. The coefficient of static friction
The motion sensor used in this experiment has a minimum range of 0.15m and a maximum range of 10.0m. Explain in theoretical terms, how you could have increased or lowered the range of the distance covered by the motion sensor.
A small moon of a giant planet has an orbital period of 1.61 days and an orbital radius of 4.50 105 km. From these data, determine the mass of the planet.
A 0.16-kg ball is placed in a shallow wedge with an opening angle of 110°, as shown in the figure. For each contact point between the wedge and the ball, determine the force exerted on the ball. Assume the system is frictionless.
A 28 kg loudspeaker is suspended 2.0 m below the ceiling by two cables that are each 60 degrees from vertical. what is the tension of the cable?
A crate of 45.0 kg tools rests on a horizontal floor. You exert a gradually increasing horizontal push on it and observe that the crate just begins to move when your force exceeds 313 After that you must reduce your push to 208N to keep it moving
Someone under the table begins to pull the string downward to make the circle smaller. If the string will tolerate a tension of no more than 105 N, what is the radius of the smallest possible circle on which the object can move?
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