Which air pressure reading is likely an indicator of clear weather?
a. 900 mb
b. 950 mb
c. 1000 mb
d. 1050 mb

What are atoms of the same element with varying number of neutrons

Which describes increasing the efficiency of energy resource

The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?