Register
A 3.8 kg object is lifted 12 meters. Approximately how much work is performed during the lifting? A. 45.6 J B. 372.4 J C. 588 J D. 446.9 J
125k views
5 votes
A 3.8 kg object is lifted 12 meters. Approximately how much work is performed during the lifting?

A. 45.6 J
B. 372.4 J
C. 588 J
D. 446.9 J

User Alexander Zeitler
by
4.4k points

1 Answer

3 votes
well first you have to use the formula U=mgh, U being pontential energy, m being mass, g being gravity (9.8m/s^2 on earth), and h being height. so you plug them in. U= (3.8 kg)(9.8 m/s^2)(12 m) = 446.9 J. So your answer is D. 446.9 J
User Hoopje
by
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.9m questions

6.3m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
I need to simplify this expression.
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
What is the domain and range?
Witch value of x is in the solution of the following inequality -3x+5>17\ A=0 B=5 c=-5 D=-4
Link Copied!