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(a) A piston of cross-section area 100 cm2 is used in a hydraulic press to exert a force of 107 dynes on the water. The cross-sectional area (in cm2) of the other piston which supports an object having a mass 2000 kg is (g= 10 ms-2)
(b) In a car lift compressed air exerts a force F1 on a small piston having a radius of 5.0 cm. This pressure is transmitted to a second piston of radius 15 cm. If the mass of the car to be lifted is 1350 kg, calculate F1. What is the pressure necessary to accomplish this task?
A long, straight wire carries a 25.0 current. An electron is fired parallel to this wire with a speed of 280 in the same direction as the current, 2.30 from the wire.
How much current would be through a copper wire of length 10 m and a diameter of 1 mm, which is connected parallel to a battery of 12 V
When a .22-caliber rifle is fired, the expanding gas from the burning gunpowder creates a pressure behind the bullet. determine the average pressure of the expanding gas
the intensity of electromagnetic radiation from the sun reaching the earths upper atmosphere is 1.37 kwm2assuming an
question1a charged particle is fired into a cubical region of space where there is the uniform magnetic field. outer
The mass of the block is unchanged by the passage of the bullet (the mass removed making the hole is negligible, in other words). After the collision, the block swings up to a maximum angle θmax. and then stops. Find θmax.
radial acceleration of the tip of the second hand of a clock is 0.0021 m/s^2 what is the length of the second hand
two points a and b lie 20 cm apart on a line extending radially from a point charge q. if the potential at a is 150 v
A ship travels 155 km from the port on a course of 35 degrees south of west to an island, then it travels 142 km east of south to a second island, Find the displacement from the starting point to the ending point
a) Calculate the electrical repulsion between two protons in a nucleus if they are 1.35×10-15 m apart
A 22.5-kg rock is sliding on a rough, horizontal surface at 9.50 m/s and eventually stops due to friction. What average power is produced by friction as the rock stops
Ramon has a coherent light source with wavelength 586 nm. What is the minimum width of the screen if Ramon wants to display three interference maxima
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