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A 24 kg block slides with an initial speed of 6 m/s up a ramp inclined at an angle of 20o with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.6. Use energy conservation to find the distance along the incline that the block slides before coming to rest.
a cross-sectional area of wire so as to produce a steady current of 5.00 mA, How many electrons passed this cross-sectional area in that amount of time
An astronaut of mass 77.4 kg is 29.9 m far out inspace, with both the space ship and the astronaut at rest withrespect to each other. Without a thruster, the only way to returnto the ship is to throw his 0.546 kg wrench directly awayfrom the ship.
On vacation, your 1100 kg car pulls a 540 kg trailer away from a stop light with an acceleration of 2.10 m/s2. What is the net force acting on the car
a refrigerator has a coefficient of performance of 3.00. the ice tray compartment is at -20.0oc and the room
Find the temperature rise of the bullet assuming the impact occurs so rapidly that the impact process can be considered to be adiabatic. For lead, use fu = 0.0130(T) in Btu/lbm, where T is in °F or R.
a system of consists of two infinitly long concentric copper pipes. the radius of the inner pipe is 1.00m and it has a
A pesky 1.7 mg mosquito is annoying you as you attempt to study physics in your room, which is 4.5m wide and 2.5 m high. What is the maximum uncertainty in the horizontal position of the mosquito
Find the peak magnetic field in an electromagnetic wave whose peak electric field is 200N/C
As two boats approach the marina, the velocity of boat 1 relative to boat 2 is 2.13 m/s in a direction 40.3° east of north. What is the direction of the velocity of boat 2
The speed of light in polythene is 1.99 x 108 m/s. What is the index of refraction of polythene
Robert has just bought a new model rocket, and is trying to measure its flight characteristics. how much work is done by the drag force on the rocket during its ascent
question prove that the formula for the sum of the measures of the interior angles of a n-gon is 180n-2 or 180-360
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