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Calculate how fast must a centrifuge rotate if a particle 6.0 centimeter from the axis of rotation is to experience a centripetal acceleration of 500000 m/s2?
suppose the PASCO track is 120 cm long. Assume the track is frictionless, and suppose one end is lifted by 2.55 cm. Find the angle between the track and the horizontal
From far away, any charge distribution with a net charge behaves more or less like a point charge. Consider two thin disks, each of radius 2.5 cm. What is the electric force between the disks
Two negative point charges are separated by 11.0cm and feel a mutual repulsive force of 3.45nC . The charge of one is three times that of the other. How much charge does each have
q. a 30 gram mass is hanging from a spring whose unstretched length is 20 cm and whose spring constant is 2.5 nm. in
A tennis player swings her 1000 g racket with a speed of 12 m/s. She hits a 60 g tennis ball that was approaching her at a speed of 24 m/s. How fast is her racket moving immediately after the impact
A 0.029-kg bullet is fired vertically at 225 m/s into a 0.15-kg baseball that is initially at rest. How high does the combined bullet and baseball rise
A 5.00-g bullet, traveling horizontally with a velocity of magnitude 360 m/s, is fired into a wooden block with mass 0.800 kg, initially at rest on a level surface. What is the decrease in kinetic energy of the bullet
A 77.1 kg man is riding an escalator in a shopping mall. What is the work done on the man by the gravitational force
Nonideal Gas Equation : The SRK equation is a commonly used equation of state that relates the absolute temperature T, the absolute pressure P, and the molar volume V of a gas under conditions in which the behavior of the gas connot be considered ..
a 2 kg mass hangs motionless from a partially stretched spring having a spring constant of 177 nm. what is the
An observer at rest perceives a signal from a source that is .5 asmuch as the signals frequency. With what speed and in what direction must the source be moving
a person with a remote mountain cabin plans to install her own hydroelectric plant. a nearby stream is 3.00 m wide and
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