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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
a bullet is fired vertically into a 100 kilogram block of wood at rest directly above it if the bullet has a mass of
what mass of water at 230 degc should be allowed to come to thermal equilibrium with a 157-kg cube of aluminium
two double stars of the identical mass as the sun rotate about their common center of mass their separation is 4 light
a 75 kilogram stunt boy jumps from a balcony and falls 25 meter before colliding with a pile of mattresses if the
a 510 g lead bullet traveling at 530 ms is stopped with a large tree if half the kinetic energy of the bullet is
a 66 kg woman cheats on her diet and eats a 643 calorie 540 kcal jelly donut for breakfasta how many joules of energy
a point on a rotating turntable 150 centimeter from the center accelerates from rest to 0700 ms in 175 second obtain
a hydrogen atom initially at rest has its electron in then 4 state the electron then makes a transition to the ground
the highest recorded waterfall in the world is found at angel falls in venezuela its longest single waterfall has a
a 900 kilogram cart is rolling to the right at 370 ms a 900 kilogram man is standing on the right end of the cart find
a sound wave is transmitted during water from one ship is reflected off another ship 22km away and returns to the sonar
a 45nbspx 104 kilogram space probe is traveling at a speed of 13000 ms through deep space retrorockets are fired along