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An astronaut on Jupiter drops a rockstraight downward from a height of 1.20 m.If the acceleration of gravity on Jupiteris 24.8 m/s2, what is the speed of the rock when it lands?
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
A particle rotates in a circle with a centripetal acceleration of 9.81 meters per second squared. what is the new centripetal acceleration in terms of the original value
Use the worked example above to help you solve this problem. A tortoise and rabbit engage in a footrace over a distance of 3.70 km. The rabbit runs 0.400 km, then stops for a 83.0-min nap. Upon awakening, he remembers the race, and runs twice a..
A human sprinter of mass 65kg starts a run at the maximum possible acceleration, pushing backward against a block set in the track
the concept of thermionic emission is the basis of modern x-ray tubes which are the workhorse of a medical x-ray image.
A particle P with mass 12 kg has position vector r (r = 6.5 m) and velocity v (v = 5.0 m/s)as shown in the figure. It is acted on by force F (F = 4.0N). All three vectors lie in the xy plane. About the origin, what is the z-component of the angula..
german physicist werner heisenberg related the uncertainity of an objects position triangle x to the uncertainity in
When the eye looks at a star (a point of light), diffraction at the pupil spreads the image of the start on the retina into a small disk, What is the linear size of the image of the start on the retina
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At a distance of 401 m, estimate the linear speed of the dragster
During this process the arrow's deceleration has a magnitude of 1600 and the block's acceleration has a magnitude of 450. Explain how long does it take for the arrow to stop moving with respect to the block?
At time t1 = 2.00 s, the acceleration of aparticle in counterclockwise circular motion is (3.00 m/s2) i + (6.00 m/s2) j. It moves atconstant speed. What is the radius of the path taken by the particle
At a temperature of 1.66 °C, the mass and volume of a fluid are 798 kg and 1.20 m3. The coefficient of volume expansion is 1.58 x 10-3 (C°)-1. What is the density of the fluid at this temperature
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