A loudspeaker diaphragm is producing a sound for 1.8 s by moving back and forth in a simple harmonic motion. The angular frequency of the motion is 7.64 104 rad/s. How many times does the diaphragm move back and forth

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l