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12. Find the potential drop along a copper wire 500 m long and 2 mm in diameter if the current in it is equal to 2 A
The air in cyclinder is compressed to of its initial volume, if initial pressure is 1×10^5 Pascal and initial temperature is 27°C. Find the final pressure and temperature often compression. Take gamma= 1.4
Solve Laplace's Equation nabla^2 V(z)=0.
Calculate the cube expansivity and increase the volume when solid matter cube is created from 10 degree to 50 degree
A planet has a radius of 3500 km and a surface gravity of 3.8 m/s2. what is the mass of the planet
The mean radius of the earth is 6360 km. (a) What is the are of the earth’s surface in square meters?
Square centimeters? Square feet?
What object that can allows us to see distant object
a carousel starts spinning from rest to 75 radian/s after 5.0s. What is the average angular acceleration of the carousel?
The pressure inside a fire hose is 1.6 x 10^5 Pa and the water inside moves at 0.68 m/s. At the nozzle, the pressure decreases to atmospheric pressure. Using Bernoulli's Principle, determine the velocity of the water exiting the nozzle if there is no change in height
if an object travels around a circle with an angular displacement of 10.5 radians in 3.0 seconds what is its average angular velocity w in (rd/s)
