A 1500 kg car accelerates from rest to 35 m/s in 6.5 s. If its engine and tires are able to provide a force to the car of 8500 N, what was the magnitude of the sum of forces due to friction and air resistance on the car during this interval?
A. 11450 N
B. 1840 N
C. 3510 N
D. 3150 N
B. 1840 N
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Unlike the other jovian planets, Uranus:
A) has no ring system. B) has only a few satellites. C) has a featureless atmosphere. D) has no internal energy source. E) rotates slowly.
Jupiter radiates twice as much energy as it receives from solar light; the source of this "excess" energy is ________
Fill in the blank(s) with correct word
A 100%-efficient engine is being used to raise a 89-kg crate vertically upward at a steady rate. If the power output of the engine is 1620 W,
how long does it take the engine to lift the crate a vertical distance of 18.7 m? Friction in the system is negligible.
In the Local Group, most members are either dwarf ellipticals or spirals
Indicate whether the statement is true or false