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There is a 'race' between a solid cylinder and a hollow cylinder over a distance of 2 m along a slope angled at π/6 with the horizontal. Both have a mass 1 kg and radius 30 cm. In case of the hollow cylinder, the inner radius is 20 cm. Which one will win? Calculate the times taken by each to reach the bottom. Do the masses of the cylinder matter?
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.93 x 104 m/s, and the radius of the orbit is 1.08 x 106 m. What is the orbital speed of the second satellite
An R = 46.1 ? resistor is connected to a C = 43.0 ?F capacitor and to a ?VRMS = 102 V, and f = 108 Hz voltage source. Calculate the power factor when the capacitor is replaced with an L = 0.358 H inductor
A spaceship travels toward the Earth at a speed of 0.97c. The occupants of the ship are standing with their torsos parallel to the direction of travel. What are the occupants' width according to others on the spaceship
I just got this wrong for the third time. A u-tube manometer is used to measure the pressure of a vessel under vacuum. Assume the manometer is open to atmospheric pressure.
A mass m hangs from a uniform spring of constant k. what is the period of oscillations in the system
A 58-kg skier is going down a slope oriented 35° above the horizontal. The area of each ski in contact with the snow is 0.13 m2? Determine the pressure that each ski exerts on the snow.
A car with 66 -diameter tires accelerates uniformly from rest to 20 in 20 . How many times does each tire rotate
A series RC circuit has a time constant of 1.0s. The battery has a voltage of 50 V and the maximum current just after closing the switch is 500 mA. The capacitor is initially uncharged. What is the charge on the capacitor 2.0s after the switch is ..
An electron is accelerated to a speed where its total energy is 209 times larger than its rest energy. What is the speed of the electron in terms of the speed of light
The security alarm on a parked car goes off and produces a frequency of 1020 Hz. The speed of sound is 343 m/s. At what speed are you driving
A man pushes a wooden crate on wooden floor. The direction of the force is 30o downward relative to the horizontal, How much force does he use in order to maintain a constant speed
Determine the constant-pressure thermal expansively β and the isothermal compressibility κ of an ideal gas
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