A football player runs due east for 30 yards then cuts up the field due north for a distance of 35 yards before running into the end zone. What is the resultant displacement of the football player? *

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions

Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?