a) Find the magnitude of the gravitational force (in N) between a planet with mass 8.00 ✕ 1024 kg and its moon, with mass 2.30 ✕ 1022 kg, if the average distance between their centers is 2.30 ✕ 108 m.  N (b) What is the moon's acceleration (in m/s2) toward the planet? (Enter the magnitude.)  m/s2 (c) What is the planet's acceleration (in m/s2) toward the moon? (Enter the magnitude.)  m/s2

Suppose you could safely explore every terrestrial world in the solar system to conduct basic physics experiments. On your return from visiting several of these worlds, you realize that you forgot to label the data for the free fall acceleration experiments you performed. The following graph shows the vertical distance fallen (m) as a function of time (s) for a rock dropped from rest on the surface of one of the terrestrial worlds you visited in the solar system. A chart is included with known free fall accelerations of various terrestrial worlds. Where were the data collected?

Question 4 Please !!!

Please write the units.

A planet orbiting a distant star has radius 3.54×106 mm. The escape speed for an object launched from this planet's surface is 7.65×103 m/sm/s. What is the acceleration due to gravity at the surface of the planet? Express your answer with the appropriate units.

A space shuttle is fired and the position of the shuttle is given by r(t)=(2*t*t-5*t)i+ (3*t+1)j+(12*t*t*t)k where t is in seconds, r is in meters and ij,k are the unit vectors of x,y,z directions respectively. Find the average acceleration of the space shuttle between the time interval t=10 s and t=1 minutes. *

It has been suggested, and not facetiously, that life might have originated on Mars and been carried to the earth when a meteor hit Mars and blasted pieces of rock (perhaps containing primitive life) free of the Martian surface. Astronomers know that many Martian rocks have come to the earth this way. (For instance, search the Internet for “ALH 84001.”) One objection to this idea is that microbes would have had to undergo an enormous lethal acceleration during the impact. Let us investigate how large such an acceleration might be. To escape Mars, rock fragments would have to reach its escape velocity of 5.0 km/s, and that would most likely happen over a distance of about 4.0 m during the meteor impact. (a) What would be the acceleration (in m/s2 and g’s) of such a rock fragment, if the acceleration is constant? (b) How long would this acceleration last? (c) In tests, scientists have found that over 40% of Bacillus subtilis bacteria survived after an acceleration of 450,000g. In light…

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Acceleration is sometimes expressed in multiples of g, where g = 9.8 m/s2 is the magnitude of acceleration due to the earth's gravity. In a test crash, a car's velocity goes from 26 m/s to 0 m/s in 0.15 s. How many g's would be experienced by a driver under the same conditions?