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A 1260 g mass is on a horizontal surface with mu-k = 0.340, and is in contact with a massless spring with a force constant of 745 N/m which is compressed. When the spring is released, it does 12.07 J of work on the mass while returning to its equilibrium position. Calculate the distance the spring was compressed.
For no apparent reason, a poodle is running at a constant speed of 6.00 m/s in a circle with radius 2.9 m. Let v1 be the velocity vector at time t1 , and let V2 be the velocity vector at time t2 . Consider (change in v)=v2-v1 and (change in t)=t2-..
Find the coefficient of kinetic friction between a 4.1- block and the horizontal surface on which it rests if an 83 spring must be stretched by 3.0 to pull the block wi`th constant speed. Assume the spring pulls in a direction 15 above the horizontal..
A bullet of mass 0.5 kilogram is headed at horizontal speed 130 m/s toward a block of mass 4.5 kilogram resting on a horizontal frictionless surface.Find what average force did the block exert on the bullet
A 4.0-mm -diameter wire carries a 10A current when the electric field is 8.6×10?2V/m. What is the wire's resistivity
A steep cliff west of Lydia's home reflects a 1460-kHz radio signal from a station that is 69.9 km due east of her home. what is the minimum distance of the cliff from her home
An 77.4-kg climber is scaling thevertical wall of a mountain. How much is the rope stretched when it breaks his fall and momentarily brings him to rest
If the maximum acceleration the vehicle’s brakes are capable of is −6 m/s2, illustrate what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer?
question the ac generator in a series rcl circuit has an rms voltage of 81.3 v. the values of the resistance capacitive
The "size" of the nucleus in Rutherford's model of the atom is about 1.0 fm = 1.0 X10-15 m. Decide the repulsive electrostatic force among two protons separated by this distance. Decide (in MeV) the electrostatic potential energy of the pair of proto..
A compact 60.00 kg object is attached to one end of a horizontal 40kg uniform steel tube 2.40 m long. What is the distance from the loaded end to the center of gravity of object-tube system?
Calculate the maximum gravity anomaly at ground level over a buried anticlinal structure, modelled by a horizontal cylinder with radius 1000 m and density contrast 200 kg/m^3
An 85 kg man lowers himself to the ground from a height of 5.6 m by holding onto a rope that runs over a frictionless pulley to a 75 kg sandbag
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