Who ever that can answer this gets 17 points 1. research how cars or planes have been designed to have less mass. 2. how is the balance between strength and mass resolved when designing cars or planes?

What is the rate of change in a objects position?

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

Definition: this is the weighted average of all of the isotopes of an element.