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A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 44°. An ice cube of the same mass slides without friction down the same ramp.
What is the speed of the ice cube at the bottom of the incline?
Also could you explain why the ice cube reaches the bottom first, is it because there is just no frictional forse?
4.60g of nitrogen gas at 22.0?C and an initial pressure of 3.30atm undergo an isobaric expansion until the volume has tripled. A) How much heat energy is transferred to the gas to cause this expansion
A 10.0 g object moving to the right at 22.0 cm/s makes an elastic head-on collision with a 15.0 g object moving in the opposite direction at 34.0 cm/s
an electric transformer is in a cylinderical tank 60cm in diameter and 1 meter high, with a flat top and bottom. how many degrees will the tanks surface rise above room temperature
Consider an RC series circuit. You measure R to be 887-ohm and C to be 831 nF. You set the signal generator output to produce a sinusouidal output with an amplitude of 2.05 V.
In a hydraulic system, the larger piston to be used to lift a 1670kg car has a diameter of 24.2cm, If instead compressed air at 115 psi of pressure is used, what is the largest mass car (in kg) that the system can lift
A satellite is circling a small planet at a speed of 3.60 rev/day. If the satellite's orbit has a diameter of 30,000 km, how fast is the satellite moving
Regarding the Earth and a cloud layer 700 m above the Earth as the "plates" of a capacitor, What is the maximum charge the cloud can hold
Electrostatic interactions with neighbors cause atoms in solids to be held in place as if bound together by tiny springs. How do you arrive at that conclusion
An 24 g rifle bullet traveling 370 m/s buries itself in a 4.8 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. find the maximum vertical displacement of the pendulum.
A capacitor consists of a set of two parallel plates of area A separated by a distance d. find the magnitude of the charge on the plates
The position of a rocket sled on a straight track is given as x = a t3 + b t2 + c, What is the sled's average speed between t = 3.48 s and t = 6.92 s
q1. the pulley system is used to lift a 52 kg crate. note that one chain connects the upper pulley to the ceiling and a
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