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Q1. The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earths orbital distance?
Q2. A 3300 kg auto tows a 4500 kg horse trailer. If the engine causes the ground to push the car forward with 8.58kN:
a) what is the acceleration of the horse trailer?
b) What is the forward force on the trailer?
c) With how much force does the trailer pull back on the car?
An oil drop carries one excess electron and weighs 9.2 10-15 N. What electric field strength is necessary to suspend drop so it is motionless.
Object 1 has a mass m1 and a velocity 1 = (2.87 m/s). Object 2 has a mass m2 and a velocity 2 = (3.01 m/s). The total momentum of these two objects has a magnitude of 18.0 kg • m/s and points in a direction 66.5° above the positive x-axis. Find out m..
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
A 50.0kg pole vaulter running at 10.0m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump.
Find out the speed of the satellite
Therefore of his observations, Ole Roemer concluded that eclipses of Io by Jupiter were delayed by 22 min throughout a six-month period as the Earth moved from the point in its orbit where it is closest to Jupiter to the diametrically opposite point ..
Which of following statements is correct
Two 18 cm diameter charged disks face each other, 25 cm apart. Both disks are charged to - 30 nC. What is the electric field strength at the midpoint between two disks.
The top of Mt. Everest is 8750 m above sea level. Assume that sea level is at an average Earth radius of 6.38×10^6 m. What is the magnitude of gravitational acceleration at the top of Mt. Everest? Mass of the Earth is 5.97×10^24 kg.
Consider the conical pendulum with an 80.0 kg bob on a 10.0 m wire making an angle of 5.00 with the vertical as shown. Determine (a) horizontal and vertical components of the force exerted by the wire on the pendulum and (b) radial acceleration of th..
What happens in the table as to the potential energies
An object whose weight is 100 Ibf experiences a decrease in kinetic energy of 500 ft. Ibf and an increase in potential energy of 1600 ft. Ibf. The initial velocity and elevation of the object, each relative to surface of the earth, are 50 ft/s and 40..
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