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A 480 kg car moving at 14.4 m/s hits from behind another car moving at 13.3 m/s in the same direction. If the second car has a mass of 570 kg and a new speed of 17.9 m/s, what is the velocity of the first car after the collision?
a train is traveling up a 4.3 incline at a speed of 2.20 when the last car breaks free and begins to coast without
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
The edge of the thimble of a micrometer moves a distance of 2.0 mm when it is given four complete revolutions. Find the pitch of the micrometer. If the number of divisions on the circular scale is 50, calculate the least count of the micrometer. U..
two 2.00 cm x 2.00 cm plates that form a parallel-plate capacitor are charged to pm 0.708 nc.part a what is the
Treating a lightning bolt as a long, thin wire, calculate the magnitude of the magnetic field produced by such a bolt of lightning at a distance of 71 m.
Students in a physics lab are to determine the specific heat of copper experimentally. They place 0.150 kg of copper shot into boiling water, what is the specific heat of copper
a fighter plan flying at 378 ms at an altitude of 160 m during a training mission releases a projectile when he starts
Two point charges of equal magnitude are 7.3cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 40N/C . Find the magnitude of the charges.
question the angular momentum of a spinning wheel is 230 kg middot m2s. after application of a constant braking torque
A capacitor has a capacitance of 2.31E-8 F. In the charging process, electrons are removed from one plate and placed on the other plate. When the potential difference between the plates is 500 V, how many electrons have been transferred?
A ten pound car wheel has a moment of inertia of 0.3 kg m2. How much torque is required to stop the wheel
A proton is released in a uniform electric field, and it experiences an electric force of 7.38×10?14 toward the south. What is the magnitude of the electric field?
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