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An object is placed in a fluid and then released. Assume that the object either floats to the surface (settling so that the object is partly above and partly below the fluid surface) or sinks to the bottom. (Note that for Parts a through c, you should assume that the object has settled in equilibrium.)
on a banked race track the smallest circular path on which cars can move has a radius of 106 m while the largest has a
A stunt man whose mass is 70 kg swings from the end of a 4.40-m long rope along the arc of a vertical circle. Assuming that he starts from rest as rope is horizontal, find out the tensions in the rope that are required to make him follow his circu..
A 5.00 x 10^4 kg space probe is travelling at a speed of 14000 m/s through deep space. Retrorockets are fired along the line of motion to decrease the probe's speed. The retrorockets generate a force of 4.00 x 10^5 N over a distance of 2600 km. What ..
A gun with muzzle velocity of 1200 ft/sec is fired at an angle of eight degrees above the horizontal. Find the horizontal and vertical components of the velocity
a student m 97 kg runs at a velocity vi 2.85 ms before jumping on a skateboard. after jumping on the board the
The Earth is showered with particles from space known as muons. They have a charge identical to that of an electron but are many times heavier (m = 1.88 · 10?28 kg). Suppose a strong magnetic field is established in a lab (B = 0.62 T) and a muon ente..
A tanker ship spills oil (n=1.40) into the sea. Looking at this disaster from a helicopter overhead, what predominant wavelength of visible light do you see if the oil is 390nm thick
A 61 g red super ball traveling 13 m/s EAST has an elastic collision with a 66 g blue super ball traveling 10 m/s WEST. Discover the final speeds and directions for both of the super balls.
A machine componant is subjected to the forces and couples shown. The componant is to be held in place by a single rivet that can resist a force but not a couple. determiune the location of the rivet hole
find the magnitude of the baseballs momentum.
A rescue helicopter lifts a 80 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the tension in the cable
A 500-kg elevator is pulled upward with a constant force of 5500 N for a distance of 50.0 m. What is the net work done on the elevator
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