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A race car starts from rest on a circular track of radius 690 meter. The car's speed increases at the constant rate of 0.400 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine the following.
(a) The speed of the race car
m/s
(b) The distance traveled
m
( c) The elapsed time
s
A sinusoidal wave on a string is described by the wave function y = 0.10 sin (0.85x ? 35t) where x and y are in meters and t is in seconds. Determine the power transmitted by the wave
needing help the secretary of the united states department of agriculture asked your teacher if a chicken-and-a-half
A well insulated rigid vessel also contains 3 kg of saturated liquid water at 40 oC. Determine the final temperature in the vessel after the resistance has been operating for 20 minutes
A big yo-yo (radius 0.2 meters, mass= 20 kg) has a string wrapped about its circumference. If yo-yo falls, how much time does it take to fall 10 m
A resistor with R = 2.0 k? is placed in series with an inductor, a battery, and an open switch. What is the inductance of this circuit if, after the switch is closed
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer.
A truck travels 40 meter in 8.5 second, while uniformly slowing down to a final speed of 2.8 m/s. Compute the original speed of the truck
A dump truck uses a hydraulic cylinder, as the drawing illustrates. find the torque that the plunger creates about the axis identified in the drawing
The nucleus of the hydrogen atom has a radius of about 1.1x10^-15 The electron is at a distance of about 5.29 Ã- 10-11 m from the nucleus. compute the volume of the atom
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end. Determine the skier launch speed
A motorcycle cop, parked at the side of a highway reading a magazine, is passed by a woman in a red Ferrari 308 GTS doing 90.0 km/h. After a few attempts to get his cycle started, the officer roars off 2.00 s later.
suppose that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C.
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