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

Will a heavier bowling ball hit pins better than a lighter bsll

What is the mass of the same rock on the earth

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z