Question

What is the weight of an object with a mass of 75.0 kg? (Show formula and work.)

Answer 1

on what planet?

Answer 2

earth

Answer 3

weight =Force=mass*gravity
=75*9.8
on earth

Answer 4

which is 735 what?

Answer 5

newton

Answer 6

Thank you

Answer 7

welcome

Answer 8

The gravitational constant, G, is given a value of 6.67 × 10-11 m3/kg • s2. Using this G value in the law of universal gravitation found on page 76, what force acts between two objects, 3.0 m apart (d) whose masses are 10 kg and 20 kg? (Show formula and work.)

Answer 9

do you know the gravitational formula?

Answer 10

F=G*m1*m2/r^2
F=6.67*10^-11*10*20/(3)^2

Answer 11

Yeah I'm confused on where to put the numbers.

Answer 12

see m1 =mass of first object m2=mass of second object
here m1=10kg and m2=20kg or vice versa it doesn't matter
r is the distance betwwn them here it's 3 meters
G=universal gravitational constant

Answer 13

Ohh mmkay.

Answer 14

got it?

Answer 15

So the answer would be 1.482?

Answer 16

1.482*10^-9 Newton

Answer 17

Okay. Thank you.

Answer 18

welcome