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a block weighs 2000 newton if a horizontal force of 100 n is required to keep it in motion with a constant velocity on
consider a cylinder with circular cross-section made of iron with length l10 cm and radius 2 cm the cylinder is
a 135 kilogram block of wood sits at the edge of a table 0782 meter above the floor a 00105 kilogram bullet moving
a walkway suspended across a hotel lobby is supported at numerous points along its edges by a vertical cable above each
in an american football game a 904 kilogram fullback running east with a speed of 493 ms is tackled by a 941 kilogram
1 describe the phases of clinical studies for is a main goal achieved at the end2 present the most important
a rope attached to an engine pulls 250 newton at an angle of 18o at a constant speed the coefficient of kinetic
apply bohrs quantization condition to the motion of the earth around the suna find a formula for the radii of the
a 10 w laser lambda5x10-7m is utilized to form a spot ona cylinder with radius 5x10-7m and length5x10-7m what is the
a beam of monochromatic green light is diffracted by a slit of width 0650 millimeter the diffraction pattern forms on a
if a gas was in a 75 liter flexible container under 4atmospheres of pressure compute how would the volume of the gas
a man enters a tall tower needing to know its height he notes that a long pendulum extends from the ceiling almost to
a 75 kilogram shell is fired with an initial speed of 125 ms at an angle 55o above horizontal air resistance is
when four people by a combined mass of 270 kg sit down in a car they discover that the car drops 100 cm lower on its
a small plastic sphere of mass m 2 g is suspended by light string in 20 centimeter in length a uniform electric field e
an observer was located off center inside a circular current loopnbsp the current loop has a radius of 200 meters and
a uniform meter stick of mass 50 gram has its center of mass at the 50 centimeter mark the meter stick is mounted
a lumberjack mass 98 kilogram is standing at rest on one end of a floating log mass 245 kilogram that is also at rest
an object-spring system oscillates by amplitude of 34 cm if the spring constant is 280 nm and object has a mass of 050
a golf ball is dropped from rest from a height of 970 m it hits the pavement then bounces back up rising just 650 m
a catapult on a cliff launches a large round rock towards a ship on the ocean below the rock leaves the catapult from a
johns mass is 91 kilogram and barbaras is 67 kilogram he is standing on thenbspxnbspaxis atnbspxjnbsp 980 m while she
two 2200-kg cars both travelling at 25 ms undergo a head-on collision and stick together discover the change in entropy
an aluminium cup contains 225 g of water and a 40 g copper stirrer all at 27degc a 430 g sample of silver at an initial
a boat crosses a river of width w100 meter in which the current has a uniform speed of 135 ms the pilot maintains a