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The drawing shows a triple jump on a checkerboard, starting at the center of square A and ending on the center of square B. Each side of a square measures3.1 cm. What is the magnitude of the displacement of the colored checker during the triple jump?
An airplane reaches a velocity of 71.0m/s when it takes off. What is should its acceleration be if the runway is 1-km long.
What is the terminal speed at which the bar falls.
The solution to Bernoulli's equation, The construction of a flat rectangular roof (3.9 m x 4.3 m) allows it to withstand a maximum net outward force of 20050 N.
At a factory, a noon whistle is sounding with a frequency of 491 Hz. As a car travelling at 78 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
A skier moving at 4.50 m/s encounters a long, rough horizontal patch of snow having coefficient of kinetic friction 0.230 with her skis. How far does she travel on this patch before stopping.
The weight of passengers on a roller coaster increases by 51 percent as the car goes through a dip with a 39 radius of curvature.What is the car's speed at the bottom of the dip.
An ocean liner leaves New York City and travels 39.0° north of east for 140 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
An astronaut stands on the steps of her spaceship that is resting on the surface of planet x and drops a rock from a height of 4.5 metres. The rock hits the surface in 0.83 s. Determine the magnitude of the acceleration due to gravity on the surfa..
Two stationary positive point charges, charge 1 of magnitude 3.55 and charge 2 of magnitude 2.00 , are separated by a distance of 30. An electron is released from rest at the point midway between the two charges, and it moves along the line connec..
A loudspeaker of mass 19.0 kg is suspended a distance of = 1.60 m below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30m . What is the tension in each of the cables.
An airplane flies 200 km due west from city A to city B and after that 295 km in the direction of 26.5° north of west from city B to city C.
A man drags a 72.0 kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 26 degrees above the horizontal, and the strap is inclined 68 degrees above the horizontal. The center ..
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