Rachel is making cookies. she pours 1/2 cup of oil into a bowl, followed by 1 cup of water. the oil rises to the surface of the bowl. why?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

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?