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Imagine that you have a solid cube composed of Material X. You put the cube into a beaker filled with water. The cube sinks to the bottom of the beaker
Calculate the true weight effects of a supine leg press, standing squat, and bench press in supine.
Water drops are falling from the roof of the building 16 m tall through equal time intervals. When the first drop reaches the ground, the fifth one is leaving
A 227-kg block of cement, of density 2.8 x 10^3 kg/m^3, rests on a pedestal in front of the Al Capone Memorial Library.
A block of mass m=2.0kg is held in equilibrium on an incline of angle=60 degrees by the horizontal force F.
Two children, Ferdinand and Isabella, are playing with a water hose on a sunny summer day. Isabella is holding the hose in her hand 1.0 meters
The specific gravity of ice is .917, whereas that for seawater is 1.025. What fraction of an iceberg is above the surface of the water?
Suppose that when you ride on your 7.70-kg bike the weight of you and the bike is supported equally by the two tires.
Two dust particles each of mass 13 ug (10^-6) are floating on a gentle stream of air. what (equal) positive charge
A uniform, spherical planet has a spherical space at its center.
Accorting to Newton's universal law of gravity, if the separation between to bodies is increased by a factor of three, the gravitational pull
In his novel "From the earth to the moon", Jules Verne imagined that astronauts inside a space ship would walk on the floor of the cabin
Show by algebraically reasoning that your gravitation acceleration towards an object of mass M a distance d away is a=GM/d^2
What is the free fall acceleration in a location where the period of a 2.15 m long pendulum is 2.94s?
A stone is dropped from the top of a cliff. The splash it makes when striking the water below is heard 3.33 s later. How high is the cliff?
If m1 = 3.12 kg, m2 = 2.74 kg, and m3 = 2.5 kg, to the nearest hundredth of a nJ what is the potential energy of the configuration?
Rotating Space Stations. One problem for human living in outer space is that they are apparently weightless
Three objects are positioned along the x axis as follows: 4.4 kg at x = +1.1m, 3.7 kg at x = -0.80m, and 2.9 kg at x = -1.6 m.
THERE IS A BLOCK OF SIDE X METRES RESTING ON A FRICTIONLESS SURFACE A FORCE F IS APPLIED AT THE LEFT TOP OF THE BOX
When scientists are trying to understand a particular set of phenomena, they often make use of, in a scientific sense, a kind of analogy or mental image
Block A of mass m1 on a smooth frictionless surface being pulled to the right by the force of gravity on block B with mass m2 by means of the attached string
Isaac Newton investigated the nature of gravity in holding stellar and planetary systems together.
Ocean tides are produced primarily by the gravitational attraction of the Moon. Explain how this attraction gives rise to two tidal "bulges"
When the net force that acts on a hockey puck is 10 N, the puck accelerates at a rate of 50 m/s^2. Determine the mass of the puck.
A small block of mass 0.09 kg is placed against a compressed spring at the bottom of a frictionless track that slopes upward