The molecular formula of caffeine if C8H10N4O2. What is the empirical formula?

You walk 20 m north, then 5 meters south. What is your displacement?

A rocket will move upward as long as the thrust is greater than the force of gravity. a. True b. False

F a tornado destroys a deciduous forest, what kind of succession follows? A) classic ecosystem B) climax community C) primary succession D) secondary succession

Give the number of neutrons in the following isotope: hydrogen-3

A car slams on its breaks, producing friction between the tires and the road. Into which type of energy is the mechanical energy of the car converted?

What is the difference between contact forces and forces that act through a force field?

Suppose two parallel-plate capacitors have the same charge Q. but the area of capacitor 1 is A and the area of capacitor 2 is 2A. 1.

You want to launch a stone using the elastic band of a slingshot. The force that the elastic band applies to an object is given by F = - α∆s4, where α = 45 N m4 and ∆s is the displacement of the elastic band from its equilibrium position.

Which of the following statements regarding emails is true

If your fitness evaluation score is not satisfactory, set a new goal for the assessment and train for that goal. true or false