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The planet Jupiter revolves around the Sun in a period of about 12 years (3.79 × 108 seconds). What is its mean distance from the center of the Sun? The mass of the Sun is 1.99 × 1030 kilograms. A. 1.1 × 10^11 meters B. 1.5 × 10^11 meters C. 2.3 × 10^11 meters D. 5.8 × 10^11 meters E. 7.8 × 10^11 meters.
A 25 kg trunk strikes the ground with a speed of 12.5m/s. if no energy is lost from air resistance, what is the height from which trunk fell.
The engine weighs 4500 newtons and it is lifted 1.5 meters up by the block and tackle system. The mechanic must apply a force of 225 newtons while pulling a total of 37.5 meters of chain by the block and tackle pulley system. What is the work done..
What was an initial speed of the ball
The immediate environment of a reactor contains a large flux of 10 MeV gamma rays. Resolve the thickness of lead required to reduce the intensity by a factor of 1012. Assume the mass absorption coefficient of Pb for 10 MeV photons is m/r = 0.06 cm..
school yard teeter-totter with a total length of 5.50 and a mass of 36.00 is pivoted at its center. A 19 child sits on one end of the teeter-totter. Where should a parent push vertically downward with a force of 250 in order to hold the teeter-tot..
A small fly of mass 0.27 grams is caught in a spider's web. The web vibrates predominately with a frequency of 4.50 Hertz. What is the value of the effective spring constant stiffness constant for the web.
A 529 kg automobile slides across an icy street at a speed of 66.0 km/h and collides with the parked car which has a mass of 856 kg. The two cars lock up and slide together. What is the velocity of the two cars just after they collide.
How far from a point on the floor directly below the edge. Why is it a good idea to have your hand extended forward when you are getting ready to catch the fast moving baseball with your bare hand.
During an initial stage of construction, the beam is not to be bolted to the wall, but to be held in place solely by friction. What is the least coefficient of friction between the beam and the wall for the beam to remain in static equilibrium.
A uniform 1.3 kg rod that is 0.8 m long is suspended at rest from ceiling by two springs, one at each end of the rod. Both springs hang straight down from the ceiling.
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
Three identical masses of 430 each are placed on the x axis. One mass is at = -14.0, one is at the origin, and one is at = 37.0.
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