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A performer seated on a trapeze is swinging back and forth with a period of 8.85 s. If she stands up, thus raising the center of mass of the trapeze + performer system by 35.0 cm, what will be the new period of the system?
A flat coil enclosing an area of 0.08 m2 is rotating at 57 rev/s, If there are 998 turns on the coil, what is the maximum voltage induced in the coil
q1. oxygen o2 gas within a piston-cylinder assembly undergoes an expansion from a volume v1 0.02 m3 to volume v2 0.03
q1. an airplane is flying with a velocity of 92.0 ms at an angle of 23.0circ above the horizontal. when the plane is a
Assuming that the atom was initially at rest, determine the recoil speed of the hydrogen atom when this photon is emitted
the sound from a church organ revertebrates for many seconds after the organ stops producing sound due to reflections
What is the final temperature when .032kg of milk at 11C is added to .16 kg of coffee at 91C. suppose the specific heat capactieis of the two liquids are the same as water, and disregard any energy transfer to the liquid's surroundings.
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
The mean lifetime of muons in their rest frame is 2.20 ?s. Now consider a muon traveling through the Earth's atmosphere at a speed of 0.999 c. What is the mean distance traveled before it decays?
An ideal monatomic gas expands isothermally from 0.600 m3 to 1.25 m3 at a constant temperature of 800 K. If the initial pressure is 8.00 10^4 Pa. Find the thermal energy transfer Q
A 1000 kg experimental rocket sled on a level frictionless rail is loaded wiht 50kg of propellant. It exhausts the propellant in a 20-s "burn". If rocket, initially at rest, moves at 150m/s after the burn, what impulse is experienced by the rocket..
A 3 kg flowerpot drops from a tall building. The initial speed of the pot is zero, and you may neglect air resistance. What is the force exerted on the liquid by the pot
A spring of negligible mass has force constant = 1500 . How far must the spring be compressed for an amount 3.10 of potential energy to be stored in it? Find the maximum distance the spring will be compressed
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