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A student adds two perpendicular displacement vectors of magnitude 12.0 cm and 8.0 cm. Which of the following is the only choice for the magnitude of the resultant displacement of these two vectors?
A. 8.9 cm
B. 4.0 cm
C. 20.0 cm
D. 14.4 cm
A 500 gram dynamics cart starts at rest and rolls down a track thatis 2.5 meters long and elevated 15 cm on one end. At thebottom of the track it rolls onto a level surface and then collideswith a 1200 g cart that is sitting still. The collision i..
Calculate the electrical potential at the center of the square described as follows: Four charges are placed at the corners of a 20 cm square
For tests using a ballistocardiograph, a patient lies on a horizontal platform that is supported on jets of air. determine the recoil velocity
The fresh water behind a reservoir dam is 15.0 m deep.A horizontal pipe 5.00 cm in diameter passes through the dam9.5 m below the water surface. What volume of water flows out of the pipe in 5.0 hours
What is the period of the motion.
A popular carnival ride consists of a large, round room that rotates fast enough that any person standing against the wall will be stuck there, even as the floor is dropped away from their feet. What is the room's angular speed in rpm
A cubic box of volume4.2multiplied by10-2m3is filled with air at atmospheric pressure at 20°C. What is the net force on each side of the box
You throw a stone vertically upward with an initial speed of 6.0 m/s from a third-story office window, Find the time the stone is in flight
The crankshaft in a race car goes from rest to 3100 rpm in 2.4s. What is the crankshaft's angular acceleration
You are arguing over a cell phone while trailing an unmarked police car by 26.0 m; both your car and the police car aretraveling at 110 km/h. Your argument diverts your attention fromthe police car for 2.0 s (long enough for you to look at the pho..
A 3.5 m long horizontal rod has two forces applied to it. One on the far left corner with a force of 4N at 60 degrees downward, Determine the magnitude and direction of the force in the pin
A person who weighs 620 N is riding a 98-N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires
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