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A skier is gliding along at 2.0 m/s on horizontal, frictionless snow. He suddenly starts down a 12° incline. His speed at the bottom is 15 m/s
What is the length of the incline?How long does it take him to reach the bottom?
In order for a car to turn along a curve in the road, it must experience a centripetal acceleration (according to an inertial observer). what force is responsible for providing this acceleration
A 500 kg vehicle is cruising down the highway at 30 m/s when the driver creates an average force of 700 N by stepping on the gas. How much work was done by the vehicle during the .50km of acceleration
A student drops a ball from the top of a tall building; the ball takes 3.1s to reach the ground. What is the height of the building
One solenoid is centered inside another. The outer one has a length of 47.0cm and contains 6600 coils, compute the emf induced in the inner solenoid
Two adjacent natural frequencies of an organ pipe are determined to be 525 Hz and 595 Hz. (Assume the speed of sound is 343 m/s.) Calculate the fundamental frequency of this pipe.
A 0.25 kg skeet (clay target) is fired at an angle of 28 degrees to the horizon with a speed of 25 m/s.
Light of wavelength 530 nm passes through a slit of width 0.210 mm. The width of the central maximum on a screen is 8.50 mm. How far is the screen from the slit
A puck with mass m = 0.14kg slides along a frictionless horizontal surface at v = 5.9 m/s. It hits and sticks to the free end of a spring with k = 15 N/m. Find the period of the subsequent simple harmonic motion
1. A 50.0 kg block is pulled from rest by a force of 1000.0 N at an angle of 37.0° across a horizontal rough surface over a distance of 5.60 m. The coefficient of kinetic friction between the block and the surface is 0.500.
an air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 4.20 uf. the plate spacing
suppose you made a 4.7kilaohm resistor from a carbon resistor and a Nichrome wire-would resistor connected together so the total resistance is the sum of their separate resistances. What value should each of these resistors have
Nichrome wire of cross-sectional radius 0.788 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
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