The potential energy of a spring increases by \( 15 \mathrm{~J} \) when stretched by \( 3 \mathr...

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=aMrlFfMZue4


Duration: 2:18
125 views
2

The potential energy of a spring increases by \( 15 \mathrm{~J} \) when stretched by \( 3 \mathrm{~cm} \). If it is stretched by \( 4 \mathrm{~cm} \), the increase in potential energy is
(a) \( 27 \mathrm{~J} \)
(b) \( 30 \mathrm{~J} \)
(c) \( 33 \mathrm{~J} \)
(d) \( 36 \mathrm{~J} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-07What is the ratio of kinetic energy of a particle at the bottom to the kinetic energy at the top...
2022-11-07An artificial satellite orbiting the earth in very thin atmosphere loses its energy gradually du...
2022-11-07Which of the following statement is incorrect, when a person walks on a rough surface? (a) The f...
2022-11-07When a body is falling from a certain height from the surface of earth, then (a) its kinetic ene...
2022-11-07A uniform cable of mass \( M \) and length \( L \) is placed on a horizontal surface such that i...
2022-11-07A car of mass \( 1000 \mathrm{~kg} \) moving with a speed \( 18 \mathrm{~km} / \mathrm{h} \) on ...
2022-11-07A spring gun of spring constant \( 90 \mathrm{~N} / \mathrm{cm} \) is compressed \( 12 \mathrm{~...
2022-11-07A spring is compressed by \( 10 \mathrm{~cm} \), if a block of mass is dropped on it from a heig...
2022-11-07The potential energy of a \( 1 \mathrm{~kg} \) particle free to move along the \( X \)-axis is g...
2022-11-07The ratio of spring constants of two springs is \( 2: 3 \). What is the ratio of their potential...
2022-11-07The potential energy of a spring increases by \( 15 \mathrm{~J} \) when stretched by \( 3 \mathr...
2022-11-07The potential energy \( U(x) \) can be assumed zero when (a) \( x=0 \) (b) gravitational force i...
2022-11-07A ball is projected vertically upwards with a certain initial speed. Another ball of the same ma...
2022-11-07A block of mass \( m=1 \mathrm{~kg} \), moving on a horizontal surface with speed \( v_{i}=2 \ma...
2022-11-07Two vehicles \( X \) and \( Y \) have masses \( 40 \mathrm{~kg} \) and 10 kg respectively. Each ...
2022-11-07A body which is moving with \( 10 \mathrm{~ms}^{-1} \) is sliding up on a rough inclined plane h...
2022-11-07A ball bounces to \( 75 \% \) of its original height. The percentage loss of potential energy in...
2022-11-07An object of mass \( 10 \mathrm{~kg} \) is moving with velocity of \( 10 \mathrm{~ms}^{-1} \). A...
2022-11-07A bullet of mass \( 20 \mathrm{~g} \) is moving with a speed of \( 150 \mathrm{~ms}^{-1} \). It ...
2022-11-07A body of mass \( 2 \mathrm{~kg} \) lifted at a height of \( 16 \mathrm{~m} \) from the surface ...
2022-11-07When a body is lifted above the surface of the earth, then its potential energy (a) increases (b...


Tags:
pw