Energy stored in the bonds that hold together the atoms and molecules of all substances is called a. mechanical energy. b. electrical energy. c. chemical energy. d. kinetic energy.

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring