Which of the following machines most likely has the greatest efficiency? a
A. Airplane
B. Automobile
C. Bicycle
D. Human body

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors