I know in this process a gas expands or is made to get compressed very rapidly as the flow of heat requires finite time .. but am getting a bit confused with these 2 examples ?
on what basis have they been regarded adiabatic?
Homework Statement
A body standing on a bridge throws a stone vertically upwards with a velocity of 20 m/s. it strikes the water below after 3 seconds, the height of the bridge over the water level in the river is :
a. 45 m
b. 10 m
c. 5 m
d. 15 m
Homework Equations
vf^2= 2aS +...
The percentage errors in the measurement of mass and speed are 2 % and 3% respectively.how much wil be the maximum error in the estimate of kinetic energy obtained by measuring mass and speed?
its ans is 8 % ..
according to this equation K = mv^2/ 2 , so dK / K = dm/m + 2dv / v
( d means...
I have a question relating this topic, please help me find it out..
In case an insulator charged by friction is brought near ta a conductor it gets the charges on conductor induced or polarized.. what if it is actually touched with a conductor, would the excess charges now flow in between them?