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Instructions for ?nding a buried treasure include the following: Go 304.2 paces at 209? , turn to 183? and walk 275 paces, then travel 167 paces at 117?.Find the magnitude of the resultant displacement from the starting point. Answer in units of paces.
The vector shows the weight of the stone. Complete the vector diagram showing another vector that results in zero net force on the stone. Illustrate what is the conventional name of the vector you have drawn?
A ball is thrown straight up from the ground with an initial velocity of 39.2 m/s; at the same instant, a ball is dropped from the roof of a building 27.7 m high - After how long will the balls be at the same height?
A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end of the wire, What is the mass m of the stone
A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. Find the smallest value for the angle , such that the lower end of the board does not slide along the ground
A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , At what angle does the crate begin to slide
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Determine the astronaut's orbital speed
The tires of a car make 51 revolutions as the car reduces its speed uniformly from 95km/h to 38km/h. What was the angular acceleration of the tires
When yellow sodium light, ?=589nm, falls on a diffraction grating, its first-order peak on a screen 55.0cm away falls 3.29cm from the central peak. What is the wavelength of the new source
A 1025 kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes the car to bounce on its spring suspension.
Jack was exposed to fast neutrons; he received a radiation dose of 220rem rem on part of his hand, affecting 28.0grams of tissue. How much radiation did Jack receive
Mass m1 moving at constant velocity v1 along the x axis collides with mass m2 initially at rest. Determine the final velocities of the two masses if their collision is perfectly inelastic. Derive using any applicable conservation laws
A scuba diver and her gear displace a volume of 65 L and have a total mass of 68 kg. Will the diver sink or float
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