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Q. A cylindrical shell of radius 7.00 cm and length 2.24 m has its charge uniformly distributed on its curved surface. The magnitude of the electric field at a point 19.7 cm radially outward from its axis (measured from the midpoint of the shell) is 36.0 kN/C.
Q. A student who weighs 520 N is wearing a backpack that weighs 84 N. The student is standing still on level ground. Give your answers to the following questions in Newtons.
(a) What is the magnitude of the net force on the student?
(b) What is the magnitude of the contact force on the student by the backpack?
(c) What is the magnitude of the contact force on the student by the ground?
An ocean liner leaves New York City and travels 16.10 ° north of east for 234 km. How far east and how far north has it gone? In other words, what are the magnitudes of components of the ship's displacement vector in directions (a) due east and (b..
A 3 m long rigid beam with a mass of 115 kg is supported at each end. An 60 kg student stands 2 m from support 1. How much upward force does each support exert on the beam.
An uncharged capacitor is connected to a 55 V battery until it is fully charged, after which it is disconnected from the battery. A slab of paraffin is then inserted between the plates.
A 10 capacitor initially charged to 30 is discharged through a 1.2 resistor. How long does it take to reduce the capacitor's charge to 7.
What is the value of g at the location of this satellite. Discover the altitude of the satellite in meters.
while the surface temperature can reach 320K. These data imply that Venus has a "thicker" atmosphere at its surface than does the earth that means that the number of molecules per unit volume (N/V) is greater on the surface of Venus than on the ea..
A worker on scaffolding 65 ft above the ground needs to lift a 340 lb bucket of cement from ground to a point 30 feet above the ground by pulling on a rope weighing 5 lb/ft. How much work is required.
Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2kg block.How much force does the 4 block exert on the 6.0 block.
What is constant acceleration
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of water. It takes a time of 2.30s for the boat to travel from its highest point to its lowest, a total distance of 0...
A block of mass .250 kg traveling at (1.0 m/s)y hits a second block with a .375 kg mass travelling at (1.2m/s)x.
A 0.230- coffee cup at 19 is filled with 0.240 of brewed coffee at 97. The cup and the coffee come to thermal equilibrium at 79.If no heat is lost to the environment, what is specific heat of the cup material.
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