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Question1
A movable piston having a mass of 12 kg and a cross-sectional area of 7 cm2 traps 0.25 mol of an ideal gas in a vertical cylinder. The piston slides without friction in the cylinder. The outside of the cylinder is kept at atmospheric pressure, 1.013×105 Pa. What is pressure in the cylinder?
Question2
Objects with masses of 271 kg and 328 kg are separated by .448m. A 56.1 kg mass is placed midway between them. find out the magnitude of the net gravitational force exerted by the two larger masses on the 56.1 kg mass the value of universal gravitational constant is 6.672 x 10^-11
Question3
A space station shaped like a giant wheel has a radius of 100m and, while empty, a moment of inertia of 5.04E+8kgm^2. A crew of 195 are living on the rim, and station's rotation causes crew to experience an acceleration of 1.00g. 0 as 151 people move to the center of the station for a meeting, an angular speed changes. What acceleration is experienced by people remaining at the rim? Imagine that average mass of each inhabitant is 64.8kg.
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere. how far below the water can she swim
When an ion accelerates through a potential difference of 2240V, What is the charge on the ion
A highway curve of radius 500 m is designed for traffic moving at a speed of 73 km/hr. What is the correct banking angle of the road.
An explosive charge breaks an object into two splinters, with respective masses m1 = 1.9 kg and m2 = 5.7 kg. What is the ratio of the separation speeds v2/v1
An electric car is being designed to have an average power output of 4,900 W for 2 h before needing to be recharged, How much energy would be stored in the charged batteries
Find out the magnitude of the acceleration (in m/s2) for an alpha particle in a uniform electric field with a magnitude of 100 N/C
A rescue helicopter lifts a 84.2-kg person straight up by means of a cable. The person has an upward acceleration of 0.759 m/s2, What is the tension in the cable
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it, During the very brief time of the pulse, what is the intensity of the light wave
A vertical scale on a spring balance reads from 0 to 160 N. The scale has a length of 12.5cm from the 0 to 160 N reading. A fish hanging from the bottom of spring oscillates vertically at the frequency of 2.30 Hz. ignoring the mass of the spring, wha..
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.1. How far behind the pinhole should you place the viewing screen
A pilot claims to have seen a UFO moving initially at a speed of about 373 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
A father racing his son has three-fifths the kinetic energy of the son, who has half the mass of the father. What is the original speed of the son
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