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On a frozen pond, a 10kg sled is given a kick that imparts to it an intial speed of v0 = 2.0m/s. The coefficient of the kinetic friction between sled and ice is Mk = 0.10. Use the work-energy theorem to find the distance the sled moves before coming to rest.
Two bullets have masses of 2.9 gand 4.2 g, respectively. Each is fired with a speed of 42.0m/s. What is the kinetic energy ofthe first bullet?
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree,as well as its height, How far away is the tree?
Wiley Coyote and his Acme rocket, together having inertia of 1000kg, are speeding after roadrunner. find the total work done by the wall on the rocket/coyote system
A circular loop in the plane of the paper lies in a 0.80 T magnetic field pointing into the paper. If the loop's diameter changes from 21.0 to 7.8 in 0.19. what is the direction of the induced current
An object is dropped from the top of a tower at a height of 44.1 m. How much time does the object take to reach the ground
a horizontal force of 50 n is applied for 10 s on a box of mass 20kg placed on a friction-less horizontal table .
What is the average speed of a rider on this Ferris wheel.
consider a metal rod, length = .30m, cross sectional area=0.0010m^2, temperature difference between the ends is 65*C. What is the thermal conductivity of the metal
You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between your feet and the ice. what is your speed after the collision
A student sits on a rotating stool holding two 2.0-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
The decay of a fictitious nucleus is accompanied by the emission of a gamma ray with wavelength 2.48*10-2 nm. What is the difference between these two levels
An object is placed 8cm in front of a converging lens with a focal length of 18cm. What is the lateral magnification
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