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Determine the number of revolutions through which a typical automobile tire turns in 1 yr. Suppose the automobile travels11000miles each year on tires with radius0.255m.
A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is at first at rest, then moves at a speed of 0.20 m/s along conveyor belt. What is the instantaneous power generated by this machine .
Objects that are at rest relative to Earth's surface are in circular motion due to Earth's rotation. What is the radial acceleration of a tree
A person driving her car at 49 km/h approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 s before turning to red, and she is 30 m away from the near side of the intersection .
A 22 kg block of iron drops out of the back of a pickup truck traveling at 55 mi/h. By roughly how much has the temperature of the iron increased
An electromagnetic wave with frequency 65.0 Hz travels in an insulating magnetic material that has dielectric constant 3.64, What is the speed of propagation of the wave
As Jupiter (or any planet) orbits the sun, the sun responds by orbiting in a much smaller “orbit” around their mutual center of mass. At what distance from the center of the sun is the Sun-Jupiter center of mass? What is the sun’s circular velocity ..
Two thin lenses with a focal length of magnitude 12.0cm, the first is diverging and the second is converging, are located 9.00cm apart. Can you help me determine if the image is real or virtual
You are designing a testing machine for a golf ball manufacturer. What is the speed of the 0.050 kg golf ball just after being struck by the clubhead
Use the free electron model to estimate the gap parameter ?0 and the transition temperature Tc for (a) aluminum (1.81 x 10^29 electrons/m3 ) and (b) zinc (1.31 x 10^29 electrons/m3 ).
A small blimp is used for advertising purposes at a football game. It has a mass of 86.6 kg and is attached by a towrope to a truck on the ground. how much work is done by the truck in pulling the blimpb
m1 = 26.00 kg, m2 = 13.10 kg, R = 0.12 m, and the mass of the uniform pulley M = 5.00 kg. Calculate the time interval required for m1 to hit the floor
One billiard ball is shot east at 3.0 m/s. A second, identical billiard ball is shot west at 1.0 m/s. What are the speed and direction of the first ball after the collision
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