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the mean distance between earth and the sun is 150 x 1011 meter the average intensity of solar radiation incident on
the velocity of a 250 kg block sliding down a frictionless inclined plane is found to be 148 ms200 s later it has a
a 120 komega resistor and a capacitor are connected in series and then an 110 volt potential difference is suddenly
at the microscopic and macroscopic levels what is the physical significance of entropy why do professionals bother with
a gun is fired vertically into a m 131 kg block of wood at rest on a thin horizontal sheet directly above it if the
a 700 kilogram bowling ball collides head-on with a 200 kilogram bowling pin the pin flies forward with a speed of 293
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