A 100-kg object is moving at 20 m/s when a force brings the object to rest 3 points
in 1.5 seconds. If the same object moving at the same initial speed was
brought to rest in 3.0 seconds, then the required force would be
times the original value. Fill in the blank with the factor that would make
the statement correct. Then explain, in detail, how you picked your answer.

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot

Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 × 106 m b. 2.94 × 108 m c. 7.8 × 1010 m d. 4.6 × 1013 m