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A lazy Susan consists of a heavy plastic disk mounted on africtionless bearing resting on a vertical shaft through itscenter. The cylinder has a radius R = 10 cm and mass M = 0.23 kg. A cockroach (mass m = 0.015 kg) ison the lazy Susan, at a distance of 10 cmfrom the center. Both the cockroach and the lazy Susan areinitially at rest. The cockroach then walks along a circular pathconcentric with the axis of the lazy Susan at a constant distanceof 10 cm from the axis of the shaft. Ifthe speed of the cockroach with respect to the lazy Susan is 0.01m/s, what is the speed of the cockroach with respect to the room?
one container is filled with helium gas and another with argon gas. Both containers are at the same temperature. Which molecules have the higher Rms speed
A photographer uses his camera, whose lens has a 40mm focal length, to focus on an object 5.0m away. How far must the lens move to focus on this second object
According to the universal law of gravitation the gravitational force on a small mass at the surface of the Earth is proportional to the product of the mass and the mass of the Earth and inversely proportional to the square of the distance between..
A baseball pitcher throws a 145 g baseball parallel to the ground with a speed of 24.76 m/s in the +x direction. What is the velocity of the ball after leaving the bat
A certain medical machine emits x-rays with a minimum wavelength of 0.025 nm. One day, the machine has an electrical problem and the voltage applied to the x-ray tube decreases to 80 percent of its normal value. Now what is the minimum x-ray wavel..
A parallel-plate capacitor has plates of area3.56×10−4 m^2. What plate separation is required if the capacitance is to be1590pF? Assume space between the plates is filled with air.
At what speed does the speed of the ball change relative to the cab floor (sign and magnitude)?
You have 33 tuning forks that oscillate at close but different frequencies. What are the (a) maximum and (b) minimum number of different beat frequencies you can produce by sounding the forks 2 at a time, depending on how the frequencies differ?
A man begins pushing a box from rest up a ramp angled at 22 degrees from horizontal, exerting a constant force of 500N, with what average force will it hit the ground
James Stewart, 2002 Motocross/Supercross Rookie of the Year, is leading a race when he runs out of gas near the finish line. Determine the distance the racer travels before coming to a stop
An aircraft with a mass of 996 kg accelerates from 0 to 87 m/s in 6.2 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft when the aircraft launches
A motion sensor and a force sensor record themotion of a cart along a track, as shown above. The cart is given apush so that it moves toward the force sensor and then collideswith it. Determine the mass of the cart.
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