What is PAN?

What is TLV? Write one harmful effect of PAN?

What is the objective of under construction Pan-American highway?

The pan attached to a spring balance has a mass of 1 kg. A weight of kg when placed on the pan stretches the spring by 10 cm. What is the frequency with which the empty pan will oscillate ?

What is effecto on the equilibrium of a physical balance when air is blown below one pan?

In an experiment , it was found that a string vibrated in 5 loops when 100gm was placed in the pan. What must be placed in the pan to make the string vibrate in 10 loops ?

In a experiment it was found that the string vibrated in three loops when 8 g were placed on the scale pan. What must be placed on the pan to make the string vibrate in six loops? Neglect the mass of the string and the scale pan.

A string vibrates in three loops when 8gram weight is placed in the pan. What mass should be kept in the pan to make it vibrate in six loops. Neglect the mass of string and mass of pan.