Physics, 10.03.2021 20:40 rebecabosca
Two objects gravitationally attract with a force of 70N. If the masses of both of the objects are increased by 15x and the distance between their centers change by a factor of 12x, then the new force of attraction is ___ N.
a. 1.56 N
b. 109.38 N
c. 7.29 N
d. 1312.5 N
Answers: 1
Physics, 21.06.2019 20:30, milhai0627a
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.)
Answers: 2
Physics, 22.06.2019 02:50, antcobra
20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.
Answers: 3
Two objects gravitationally attract with a force of 70N. If the masses of both of the objects are in...
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