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In a typical fender bender, a 1500 kilogram car traveling at 48 kilometer per hour collides in elastically with a 1200 kilogram car traveling at 32 kilometer per hour in the similar direction. Determine how much of the initial kinetic energy of the cars is transformed into other forms of energy (heat, sound, etc.)?
An electron and a proton are moving due east in a constant electric field that too points due east. The electric field has a magnitude of 3.0×104N/C. Decide the magnitude of the acceleration of the electron and the proton.
A +18 µc charge is 15 cm to the right of a -12 µc charge. What is the force on the positive charge
a man stands on the roof of a 19.0 -tall building and throws a rock with a velocity of magnitude 24.0 at an angle of
Water flows over asection of Niagara Falls at a rate of 1.20 × 106 kg/sand falls 50.0 m. What is the power dissipated bythe waterfall
how much time in seconds will it take the officer. A 63 resistor is connected in parallel with a 115.0 resistor. This parallel group is connected in series with a 19 resistor. The total combination is connected across a 15.0 V battery. Find the cur..
Object A has a mass of mA = 16.8 kg and an initial velocity of = 8.97 m/s, due east. Object B, however, has a mass of mB = 28.8 kg and an initial velocity of = 4.15 m/s, due north.
a world-class sprinter can burst out of the blocks to essentially top speed of about 11.5 ms in the first 15.0m of the
A pulley of 5.0cm radius, on a motor, is turning at 30 rev/sand slows down uniformly to 20 rev/s in 2.0s. Calculate the angular acceleration of the motor
the west antarctic ice sheets some 0.83 million km2 and only 6 of the total antarctic ice surface have an average
Electrons from a heated cathode are accelerated through a potential difference of 30.0 Volt. Find the speed of electrons escaping through a hole in the anode
The flywheel of a motorhas a mass of 35 kg and a moment ofinertia of 58 kg . m2. The motor develops aconstant torque of 250 N . m, and the wheel starts fromrest.
question a multi-turn square loop of wire 2.0 cm on each side is oriented so that a 5.00 mt magnetic field makes a
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