Which statement is true about planets with longer orbits in the solar system?

a. they have longer periods of revolution.
b. they are smaller in size.
c. they have less distance to travel for one revolution.
d. they have longer seasons

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

An object has a weight of 500 on earth what is the mass of this object

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.