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A bicycle racer sprints near the end of a race to clinch a victory. The racer has an initial velocity of 10.3 m/s and accelerates at the rate of 0.370 m/s2 for 7.01 s. What is his final velocity?
The racer continues at this velocity to the finish line. If he was 237 m from the finish line when he started to accelerate, how much time did he save by accelerating?
A mass of 145 g of hot coffee at 90.0 oC is poured into an insulated cup containing 240 g of ice initially at 0.0 oC. How many grams of liquid will there be then
As a tennis ball is struck, it departs from the racket horizontally with a speed of 27.8 meter per second. Find how far above the court is the tennis ball when it leaves the racket
A 2250 kilogram car traveling at 10.0 m/s collides with a car of mass 2750 kilogram that is initially at rest at a stoplight. Obtain coefficient of kinetic friction between cars and road
A loop of diameter d=12 cm, carrying a current I = 0.40 A is placed inside a magnetic field B=(02.0 T)i + (0.40 T)j. Calculate the potential energy of the loop
An airplane propeller is 2.58 meter in length (from tip to tip) and has a mass of 122 kilogram. Compute the angular acceleration of the propeller
The speed of an alpha particle is determined to be3.45×106 m/s. If all of its kinetic energy isacquired by passing through an electric potential, what is the magnitude of that potential?
A beam of polarized light with an average intensity of 14.8 W/m2 is sent through a polarizer. Thetransmission axis makes an angle of 26° with respect to the direction of polarization. Determine the rms value of the electric field of the transmitted..
Consider three capacitors, of capacitance 2860 pF, 4570 pF, and 0.0011 ?F. what are the maximum and minimum capacitances that you can form from these
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 3.8 x 1028 kg and 1.3 x 103 m. Find the density of such a star
question1a photographer in a helicopter ascending vertically at a constant rate of 12.5 ms accidentally drops a camera
In a physics demonstration the teacher whirled a bucket filled with water at the end of a rope in a circular path. If the rope breaks, determine what path will the bucket follow and why
A two-turn circular wire coil of radius 0.430 m lies in a plane perpendicular to a uniform magnetic field of magnitude 0.500 T. what is the average induced emf in the wire during this time
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