Which of the following causes objects to orbit the sun? a. the planets' rotation b. the sun's gravity c. the gravity of nearby planets d. the planets' mass

Atomic nuclei of almost all elements consist of

Smallest intensity of a stimulus that you can detect 50 percent of the time is

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?