Physics Paper 12

[Ahmedlool]

Hey! I would like to dedicate this thread to all the people who have doubts on paper 1 for physics as the exam is only one day away! So if anybody has any good suggestions or advice please feel free to post it and help out the community.

Peace and love to all.

 

[hassan.arif.12]

help!!!!
Q) A steel spring has a spring constant of 150 N m–1. When a 25 N weight is hung from the spring, it
has a stretched length of 55 cm.
What was the original length of the spring?

A 0.38 m B 0.49 m C 0.61 m D 0.72 m

 

[roffiel]

25=150*(0.55-x)
1/6=0.55-x
x=0.38

 

[PlutoHuman]

What is the average human speed?

 

[Ahmedlool]

44.72 km/h