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Q. A picture hangs on a nail. The tension T in each string segment is 3.5 N. What is the equilibrant or the upward reaction force of the nail? a. What is the weight of the picture? b.What is the picture's weight?
Q. Amazingly, at the exact distance that you calculated in question 2a (73.5 meters), there was a trampoline! Thinking quickly, I orient myself appropriately and hit the trampoline. If I hit the trampoline at the velocity that you calculated in problem 2 (38.8m/s), and leave it at an angle of 36 degrees from the horizontal, at a velocity of 40 m/s, and am in contact with the trampoline for 0.5 second: (3a.) What is the average acceleration that I felt while in contact with the trampoline? (3b.) Is this velocity (40m/s), at that angle (36 degrees), enough to allow me to clear a spiky wall that is 25 meters away and 15 meter high?
what would the period of the system be. When a particular mass-spring system is started by stretching the spring 5 cm, one complete oscillation takes 2 seconds.
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an ang..
During the late 19th and early 20th centuries, direct observations showed that a glacier in Switzerland flowed forward in the downhill direction while its snout (terminus) was retreating higher up the valley? Which of the following describes these..
Two long thin parallel wires 13.0 cm apart carry 32 A currents in the same direction. Determine the magnetic field at point P, 12.0 cm from one wire and 5.0 cm from the other.
What mass of stone is necessary if the temperature is not to drop below 18.5°C overnight. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room, raising their temperature to 37.5°C.
How much would an 80.0kg person weigh) on mars where an acceleration of gravity is 3.93m/s^2 and (b) on earth's moon where the acceleration of gravity is 1.63m/s^2.
What is acceleration of an object sliding down to plane
Clarify how Einstein's contribution to understanding the force between the earth and the moon differed from Newton's. Include a short statement of Einstein's explanation in the answer.
what is the linear speed of the fishing line. The force exerted by the wind on the sails of a sailboat is 300 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 300 kg, what are the magnitude and directi..
What is the moment of inertia of flywheel
A 755N diver drops from a board 10m above the water's surface. Find out the diver's speed 5m above the water's surface. Then find the diver's speed just before striking the water.
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