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19 g of helium gas are placed in a cylinder with a movable piston. The gas is compressed very slowly from a state of ( p1 = 5atm; v1 = 32 x 10^-3m^3) to a state of (p2 = 17atm; v2 = 9 x 10^-3m^3 ). The compression is such that the system moves along a straight line in the (p,v) diagram. What is the maximum temperature reached during the compression?
we have a parallel plate capacitor separation of 0.2mm capacitance C0= 21 nF we fill it with 20g of silicone oil & density 520 kg/m^3, find the max charge on the plate before dielectric breakdown
Two 1.5 V batteries connected in a series to a 5 ohm resistor produce a 0.7 A current Find the internal resistance of batteries
Imagine Bob lives on the earth at rest. Sara is traveling past the earth with a velocity of 9600 m/s, Suppose that a photon of light is passing Sara instead of a meteor. Bob measures the photon speed to be c, the speed of light. What speed does Sar..
An object has a kinetic energy of 257J and a momentum of magnitude 21.8 kg·m/s. Find out the speed and the mass of the object.
A 2.10kg snowball is fired from a cliff 8.55 m high with an initial velocity of 11.90 m/s, directed 47.0° above the horizontal. (a) Using energy techniques, find speed of the snowball as it reaches the ground below the cliff. What is that speed (b) i..
The unstable isotope 234Th decays by beta emission with a half-life of 24.5 days. what is the decay rate after 37 days
A guitar string is 90.0 cm long and has a mass of 3.27g . From the bridge to the support post (=?) is 60.0 cm and the string is under a tension of 514 N
The flywheel of an engine has a moment of inertia 2.20 {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
What is this force in Newtons.
If the football has a mass of 0.47kg and the time of contact with the ball is 0.021s, what is the force exerted by the ball on the kicker's foot.
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 25.7N. What is the sample's specific heat
The frequency and wavelength of a transverse wave on a string are 340 Hz and 0.70 m, respectively. what is the linear density of the string
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