Magnitude of the accelerating force
A gun is fired and a 54 g bullet is accelerated to a muzzle speed of 120 m/s. If the length of the gun barrel is 0.60 m, what is the magnitude of the accelerating force? (Assume the acceleration to be constant.)
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Would you say that some of these movies are harder for (and on) actors – such as Avatar, in which the actors wore suits with electronic gizmos that recorded their movements for the computers to recreate with the Avatar people?
What is the length of the shadow cast on the vertical screen by your 10.0 hand if it is held at an angle of 30 degrees above horizontal?
A proton, mass 1.67 × 10-27 kg, is projected horizontally midway between two parallel plates that are separated by 0.60 cm, with an electrical field with magnitude 940,000 N/C between the plates. If the plates are 5.40 cm long, find the mini
What pressure? The Pressure exerted by the tires on the road, which is determined by (but is somewhat greater than) the Air pressure in its tires. Can you see how this relates to Home Project 1?
The Environmental Protection Agency was investigating whether Exgrow, Inc. violated the Clean Air Act. Exgrow refused to give the EPA its computerized reports concerning pollution. To get the reports, EPA should use:
Describe the difference between the standard and modified Proctor tests. Describe the S = 100% curve (zero air voids) and why it is important to the evaluation of compaction data.
Four identical masses of mass 900 each are placed at the corners of a square whose side lengths are 15.0. What is the magnitude of the net gravitational force on one of the masses, due to the other three?
How fast does light travel? How can this speed be measured? How is the light from an ordinary light bulb different from the light emitted by a neon sign?
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