Jai-anne who has a mass of 45 kilograms, climbed 3 m up a ladder to rescue her cat from a tree. how much work against gravity did she do?

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Which of the following is an example of units for speed

When the acceleration of a mass on a spring is zero, the velocity is at a (fill in the blank) . when the velocity of a mass on a spring is zero, the acceleration is at a (fill in the blank) .