Register
On a given planet the weight of an object varies directly with the mass of an object. Suppose that an object whose mass is 3kg weighs 21N. Find the weight of an object whose mass is 7kg
127k views
2 votes
On a given planet the weight of an object varies directly with the mass of an object. Suppose that an object whose mass is 3kg weighs 21N. Find the weight of an object whose mass is 7kg

User Rjzii
by
8.2k points

1 Answer

7 votes
Weight = mass*gravity
Rearrange to get gravity
Gravity = weight/mass

Using 3kg, 21N

Gravity = 21/3 = 7
On this particular planet the gravity is measure at 7 m/s

Therefore:
Weight = 7kg*7= 49N
User ViJay Avhad
by
9.0k points
← Prev Question Next Question →

Related questions

User Blnpwr
asked Nov 5, 2024 89.4k views
A fish tank with a mass of 3kg is filled with 7kg of water. Determine the Weight of the fish tank when full.
Blnpwr asked Nov 5, 2024
by Blnpwr
8.5k points
1 answer
5 votes
89.4k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!