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A small block B is placed is placed on another block A of mass 7 kg and length 15 cm. Initially the block B is near the right end of block A. A constant horizontal force of 10 N is applied to the block A. All the surfaces are assumed frictionless. Find the time elapsed before the block B separates from A.
Reaction time is the shortest time interval elapsed after the driver of a car decides to apply the break. (For example, the time wasted immediately after the driver sees a child standing on the road). Will the driver be able to stop in time
An interior decorator install an aquarium that is 0.50 m wide, 2.00 deep, and 4.00 m long. what is the percent uncertainty in the volume
a mountanier uses a global positioning system reciever to measure his displacement from base camp to the top of mount mckinely. what is the displacement in going from base camp to the top
An insulated vertical piston cylinder device initialy contains 10kg of water, 6 kg of which is in the vapor phase. The mass of the piston is such that it maintains a constant pressure of 200 kPa inside the cylinder.
A 56.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.28 x 102 m/s from the top of a cliff 138 m above level ground, find the initial total mechanical energy of the projectile
A solenoid of radius 1.0 m with 740 turns and a length of 4.6 m surround a pigeon cage. What current must be in the solenoid
A child knocks a 1.2 kg vase off of a table 1.5 m above the ground. What impulse did the floor exert on the vase
a a particle with energy of 1 ev approaches an energy barrier with height 1.5 ev. if the barrier height is slowly
A person working on the transmission of a car accidentally drops a bolt into a tray of oil. The oil is 4.86 cm deep. What is the index of refraction of the oil
1 why are instruments tuned before being played as a group? in which ways do musicians tune their instruments?2 given
A simple harmonic oscillator has a potential energy of 25x2 Joules, a kinetic energy of 0.5v2 Joules where x is the displacement in meters and v the instantaneous velocity in m/s. determine the maximum instantaneous velocity
A light spring-gun projectile launcher is mounted on an .443 kg air track glider. find the speed of the air-track glider after the gun is fired
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