Physics, 30.10.2020 17:20 darenl2163
What speed should a spaceship of mass 5.21 x 107kg moving around a planet
only by the gravitational force be, if the distance between them is 6.27 x 108 m
and the mass of the planet is 4.76 x 1026 kg? Estimate G as 6.67 * 10-11 N (m/kg)
A. 7.12 x 103 m/s
B. 6.23 x 103 m/s
С. 4.25 x 103 m/s
D. 7.43 105 m/s
E. 7.25 x 103 m/s
Answers: 3
Physics, 22.06.2019 19:30, emma8292
Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f
Answers: 1
Physics, 22.06.2019 20:30, nae467
Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600
Answers: 2
Physics, 22.06.2019 23:10, Jgarciar541
Atorque acting on an object tends to produce a. equilibrium b. rotation c. linear motion d. velocity e. a center of gravity
Answers: 2
Physics, 22.06.2019 23:30, china236
A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s
Answers: 1
What speed should a spaceship of mass 5.21 x 107kg moving around a planet
only by the gravitational...
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