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you are driving along a highway at 80 kilometer per hour exactly 10 meter in front of you is a truck 15 meter long
an air bubble has a volume of 130 cm3 when it is released by a submarine 100 meter below the surface of a lake
a 4 kilogram block block a is released from rest at the top of a 20 meter long frictionless ramp that is 4 meter high
you reach out the second story window which is 5 meter above the sidewalk and throw a 03 kilogram ball straight upward
a mass m 175 kilogram is attached to a wall by a spring with k 583 nm the mass slides on a frictionless floor the
while standing at the edge of the flat roof of an office building 40 meter high you throw a ball upwards at 10 meter
superman leaps in front of lois lane to save her from a volley of bullets in a 1-minute interval an automatic weapon
a 400 gram model rocket is on a cart that is rolling to the right at a speed of 35 ms the rocket engine when it is
a helicopter takes off from the origin with a constant velocity of 160i180j 400k ms find its position when it reaches
a conductor of length 50 centimeter carrying a current i 10 amp is directed along the positive x axis and perpendicular
a car starts a race on a circular track and completes the first three laps in a counterclockwise direction in 618 s
a parallel-plate capacitor has plate diameters of 5 x 10-2 meter and a spacing of 05 x 10-3 meter if it is charged at a
the electric field in the copper wire of a household circuit is oriented along the wire thus that it pushes electrons
a particle of mass m500 kg is at rest at t000 s a varying force ft600t2-400t300 is acting on the particle between t0 s
an energy bar contains 25 gram of carbohydratespart a determine how much energy is this in joulespart b determine how
you are pulling your sister on a sled to the top of a 15 meter high frictionless hill with a 10 degree incline your
a 050 kilogram cream pies strike a circus clown in the face at a speed of 500 ms and stops find what is the change in
you are about shoot two equal cannonballs straight up into the air the first cannonball has 50 times as much initial
a 14 centimeter diameter circular wire loop carries a current of 27 amppart a obtain the torque on the loop in a 14 t
an airline pilot pulls her 12 kilogram roll aboard suitcase along the ground with a force of 250 newton for 100 m the
a flight controller determines that an airplane is 32 mi south of him half an hour later the same plane is 48 mi
a prescription for a corrective lens calls for 310 d the lens maker grinds the lens from a blank with n 152 and a
two 22 centimeter focal length converging lenses are located 165 centimeter apart an object is placed 35 centimeter in
dry air will break down if the electric field exceeds 30e06 vm find what amount of charge in coulombs can be placed on
two small spheres each have a mass of m of 0100 gram and are suspended as pendulums by light insulating strings from a