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a ball is suspended from 3.0 m long cable that makes a 30degree angle with vertical. Ball is released and swings down. What is ball's speed at lowest point?
What is the size of the static friction force on the cabinet when the bed is tilted at 20o? At what angle will the file cabinet begin to slide if the coefficient of static friction of steel on steel is Ms= 0.80 and the coefficient of kinetic frict..
a 4.80 kg block is suspended from a spring with k 400 nm. a 56.0 g bullet is fired straight up into the block from
A stone with a mass of 0.700 {\rm kg} is attached to one end of astring 0.700 {\rm m} long. The string will breakif its tension exceeds 65.0 {\rm N}. The stone is whirled in ahorizontal circle on a frictionless tabletop;
A truck covers 40.0 m in 8.15 s while smoothly slowing down to a final velocity of 3.15 m/s. Find the truck's original speed. Find its acceleration.
Two identical conducting spheres, fixed in place, attract each other with a force of 0.083 N when their center to center separation is 45.00 cm. The spheres are then connected by a thin conducting wire. When the wire is removed, the spheres have a..
a 0.10 g honeybee acquires a charge of 23 pc while flying.a. the electric field near the surface of the earth is
An 8.00 g bullet is fired into a 190 g block that is initially at rest at the edge of a table of 1.00 m height. Determine the initial speed of the bullet
Treating a lightning bolt as a long, thin wire, calculate the magnitude of the magnetic field produced by such a bolt of lightning at a distance of 71 m.
A laser beam with vacuum wavelength 600 nm is incident from air onto a block of glass. find the wavelength of the light in glass
After the second exam, your evil instructor is finally thrown upinto the air at the edge of a cliff with a velocity of 7.50m/s. With what velocity does he hit the ground if he justmisses the edge of the cliff and lands 30.0m below his launchpoint? Ig..
A set of crash tests consists of running a test car moving at a speed of 13.0 m/s (28.6 m/h) into a solid wall. Calculate the size of the average force which acts on the dummy during that time
The position of a 52g oscillating mass is given by x(t)= (2.5cm)cos12t , where t is in seconds. Determine the maximum speed and energy
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