Two pellets, each with a charge of 2 × 10−6 C, are located 0.03 m apart. What is the electric force between them? The value of the Coulomb constant is 8.99 × 109 N · m2/C2 and the universal gravitational constant is 6.67259 × 10−11 m3/kg · s2. Answer in units of N.

What mass would experience this same gravitational force?
Answer in units of kg.

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

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