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When a compact disk with a 12.0cm diameter is rotating at 6.00rad/s, what are the linear speed and the centripetal acceleration of a point on its outer rim?
Find the velocity vector of a bag just before it hits the ground. It is dropped 500m above the ground and has velocity 5 m/s
A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) How much energy was lost in the collision? (b) Calculate the average force exerted on ..
A ball of mass 0.200 kg has a velocity of ; a ball of mass 0.300 kg has a velocity of . They meet in a head-on elastic collision. Proof that the collision was elastic
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate, What is the coefficient of kinetic friction between the ramp and the crate
The nucleus of the hydrogen atom has a radius of about 1.1x10^-15 The electron is at a distance of about 5.29 Ã- 10-11 m from the nucleus. compute the volume of the atom
A solar cell generates a potential difference of 0.0984 V when a 500 ? resistor is connected across it, What is the internal resistance of the solar cell
Particle X has a speed of 0.960 c and a momentum of 1.70×10-18 kgm/s. What is the mass of the particle? What is the rest energy of the particle? What is the kinetic energy of the particle?
What is the fundamental resonant frequency of the air column if the velocity of sound in the air is 340 m/s.
Satellite orbits the earth at a distance equal to twice the earth's radius above the surface of the earth (the total distance from the center of the earth is three times the radius of the earth).
You rev your car's engine to 2900 rpm (rev/min). What is the period of the engine
You stand at the center of a carousel spinning at rate w. You throw a ball horizontally with velocity. how long does it take for the ball to strike the floor? At a point where the ball as position r = (x,y,z), what is the centrifugal force on the bal..
The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2), Find the magnitude and direction of the object
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