How long was Michael Jordan in the air when he jumped straight up with a speed of 4.5 m/s? I know the answer is 0.918, but I don't know how to get there.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?