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Discover the speeds with which Mercury and Saturn move around the sun. Does it make sense that Mercury is named after a speedy messenger of the gods, whereas Saturn is named after the father of Jupiter?
A wood cube 0.30m on each side has a density of 700kg/m^3 andfloats levelly in water. what is the distance from the top of the wood to the water surface
A uniform plank of length 4.7m and weight 204 N rests horizontally on two supports, with 1.1 m of plank hanging over the right support. To what distance x can a person who weighs 445N walk on the overhanging part of the plank before it just begins ..
A projectile is shot vertically from the surface of the Earth. Calculate the final speed of the projectile
What is the frequency of the string.
An energetic father stands at the summit of a conical hill as he spins his 23kg child around on a 6.0kg cart with a 2.1m--long rope. The sides of the hill are inclined at 25kg . He keeps the rope parallel to the ground, and friction is negligible. Wh..
A 55 Kilogram gymnast hangs vertically from a pair of parallel rings. If the ropes supporting the rings are attached to the ceiling directly above, evaluate what is the tension in each rope
A 120-N child is in a swing that is attached to ropes 2.20 m long. Find out the gravitational potential energy associated with the child relative to her lowest position at the following times.
The skater farthest out has a mass of 58.0 kg and is 7.80 m from the pivot. He is skating at a speed of 6.40 m/s. Find out the magnitude of the centripetal force that acts on him.
A dipole consists of two charges of opposite sign, and each charge has a magnitude of 2.20E-18 C. What is the magnitude of the torque
A 5.43 kg block free to move on a horizontal, frictionless surface is attached to one end of a light horizontal spring. find the speed of the block at the equilibrium position of the spring
The age of a piece of wood from an archeological site is to be determined using the Carbon-14 method. The activity of the sample is measured to be 0.655 times the Carbon-14 activity of living plants. What is the age of the sample in years? (The half-..
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of 9 grams of argon is raised by 75 K under conditions of constant pressure. Assuming that argon is an ideal gas, evaluate how much heat is required? J
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