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A sound wave travels twice as far in neon (Ne) as it does in krypton (Kr) in the same time interval. Both Neon and Krypton can be treated as monatomic ideal gases. The atomic mass of Neon is 20.2u, and that of krypton is 83.8u. The temperature of the krypton is 293K. What is the temperature of the neon?
An elevator has a mass of 1200Kg and has cables which arerated at no more than 9.82 E+04 N of tension. What is the largest load of passangers, in Kg, that it can carry safely
A 740g, 40cm long rod is free to rotate about a frictionless axle at one end. What is the rod's angular velocity immediately after the blow
A 7.0 kg box is raised from rest a distance of 3.0 m by a vertical force of 110 N. What is the total work done on the block when the block slides 1.4 m (measured along the incline)
A surgeon is attempting to correct a detached retina by using a pulsed laser. If the pulses last for 35.1 ms, how many photons are present in each pulse
A 67.5 kg circus performer slides4.10 m down a pole to the circusfloor, starting from rest. What is the kinetic energy of the performer as shereaches the floor if the frictional force on her from the pole is negligible
A wire carries a steady current of 2.60 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, = 1.40 T. what is the magnetic force on the section of wire
Travelling at the speed of 14.10 m/s, driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.650. What is the speed of automobile after 1.130 s have elapsed..
A 0.90 m multiplied by 0.90 m multiplied by 0.30 m block is suspended from a wire and is completely under water. What buoyant force acts on the block
A wrecking ball (weight = 4800 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3600 N. As support cable runs from the top of the boom to the tractor.
in 1960, mrs maxwell rogers of tampa florida, reportedly raised one end of a car that had fallen onto her son when a jack failed. If her panic lift effectively raised 4000 N (about a quarter of the car's weight) by 5 cm, how much work did her forc..
What is the average power dissipation in a series of RC circuit if R=5.00 k-ohm, C=3.00 ?F and V= (170V)cos300t
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 5.00 m. What is the frequency of the sound
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