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the national transportation safety board is testing the crashworthiness of a new car the 2100 kilogram vehicle moving
an 198 g rifle bullet traveling 247 ms buries itself in a 356 kg pendulum hanging on a 262 m long string which makes
a scientist is investigating george bushs brain he should use a magnifying glass which is a simple convex lens he knows
a 919 meter ladder with a mass of 244 kilogram lies flat on the ground a painter grabs the top end of the ladder and
a 200 kilogram toboggan with 822 kilogram driver is sliding down a frictionless chute directed 339 degree below the
a computer memory stick has a power rating of 2310-4w and is connected to a 15v dc power supply for 65 hours decide1
a 500-kg elevator is pulled upward with a constant force of 5500 n for a distance of 500 m what is the net work done on
your friend is trapped in a castle tower you want to send her a message by attaching it to an arrow and shooting the
a hang glider and its pilot have a total mass of 175kg while executing a banked curve of radius 27m at a speed of 18 ms
a resistance of 55omega a capacitor of capacitive reactance 30omega and an inductor of inductive reactance 30omega are
a raft of mass m with a man of mass m aboard stays motionless on the surface of a lake the man moves a distance l
an ideal transformer has 60 turns on its primary coil and 300 turns on its secondary coil if 120 v at 20 a is applied
a student presses a book among his hands as the drawing indicates the forces that he exerts on the front and back
a spaceship needs to change its course therefore that the magnitude of its momentum p remains the same but the
two cars approach a street corner at right angles to each other car 1 travels at 35 kmh and second car at 45 kmh
in a youngs double-slit experiment a set of parallel slits with a separation of 0150 millimeter is illuminated by light
a locomotive of mass 600104 kg is moving eastward by a speed of 108 kmh it collides and couples with two coupled
the maximum torque experienced by a coil in a 11-t magnetic field is 85 x 10-3 nbullm the coil is circular and consists
a woman at an airport is towing her 250 kg suitcase at constant speed with pulling on a strap at an angle of 45 degrees
a wave travels on a string at 60ms a second string of 20 percent greater linear density has the same tension applied as
in 1987 marisa canofoglia of italy roller-skated at a record setting speed of 403kmh if the magnitude of canofoglias
norma the astronaut is on a 100m lifeline outside a spaceship circling the ship with an angular speed of 0100 rads how
when a charged particle moves at an angle of 161 degree with respect to a magnetic field it experiences a magnetic
a plane flies from base camp to lake a 280 km in the direction 200 degrees north of east after dropping off supplies it
a toy cannon uses a spring to project a 580 g projectile the spring is originally compressed with 800 cm and has a