Ask Question
5 March, 01:36

1. potential energy:gravitational

as

A) elastic:potential energy

B) mechanical:kinetic energy

C) kinetic energy:sound energy

D) gravitational energy:mechanical

2.

2)

A pole vaulter, mass 65 kg, pushes off and attains a height of 7 meters.

What is the gravitational potential energy of the pole vaulter at the top of his arch?

A) 9.28 J

B) 455 J

C) 2400 J

D) 4459 J

+5
Answers (1)
  1. 5 March, 02:00
    0
    Question 1: D

    Question 2:D

    Explanation:

    Question 1: D

    Question 2

    mass=m=65kg

    Acceleration due to gravity=g=9.8m/s^2

    Height=h=7 meters

    Potential energy=m x g x h

    Potential energy=65 x 9.8 x 7

    Potential energy=4459 joules
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “1. potential energy:gravitational as A) elastic:potential energy B) mechanical:kinetic energy C) kinetic energy:sound energy D) ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers