Ablock of mass, m = 10 kg, starts at the top of a frictionless track which forms a quarter circle of radius r = 10 m. it is given an initial downward velocity of vi = 10 m/s. what is its velocity at the bottom of the track?

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above