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Assume air resistance is negligible unless otherwise stated. Calculate the displacement and velocity at the following times for a ball thrown straight up with an initial velocity of 11.8 m/s. Take the point of release to be y0 = 0.
a. 0.500 sb. 1.00 sc. 1.50 sd. 2.00 s
A stunt pilot performs a circular dive of radius 715m. At the bottom of the dive pilot has a speed of 265 m/s which at that instant is increasing at a rate of 15 m/s2(along the direction of vector B) What total acceleration does the pilot have at ..
When two capacitors are connected in parallel their equivalent capacitance is 12 ?F. What is the capacitance of the smaller of the two capacitors
An electron and a proton are each placed at rest in a uniform electric field of magnitude 564 N/C. Calculate the speed of each particle 44.4 ns after being released.
Calculate the acceleration of a 1400-kg car that stops from 34km/h "on a dime" (on a distance of1.7 cm). Determine the acceleration of the car
A pulsar is a collapsed, rotating star that sends out a narrow beam of radiation, like the light from a lighthouse. at what rate does an observer on the Endeavor see pulses emitted
a ray of light is incident on the mid-point of a glass prismsurface at an angle of 25 degrees with the normal. for
A river flows due east with aspeed of 2.2 m/s. A man steers amotorboat across the river. His velocity relative to the water is3.9 m/s due south. What is his velocity relative to the earth
a curve of radius 139 m is banked at an angle of 9deg. an 758-kg car negotiates the curve at 77 kmh without skidding.
A soccer ball is kicked at 30 m/s at an angle of 45 degrees above the horizon. Calculate the maximum height the ball reaches
a subatomic particle is traveling with a gamma factor of 20 as observed by a radiation monitor in a nuclear power plant. What is the proper lifetime of such a particle
An ideal monatomic gas in a volume undergoes an adiabatic change from P1 = 8.2 × 105-Pa and V1 = 0.17-m3 to triple its initial volume. How much work is done on the gas?
a student standing on a stationary skateboard tosses a textbook with a mass of mb 1.55 kg to a friend standing in
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