A car travels 30.0 km to the south and then turns around and travels 20.0 km to the north in 1.5 hours time. What is the car's total displacement? What is the car's average velocity?

Water flowing through a pipe suddenly comes to a section of pipe where the pipe diameter decreases to 86% of its previous value. if the speed of the water in the larger section of the pipe was 66 m/s, what is its speed in this smaller section?

What is an example of a system and describe the energy flow through it.

Is a spring that is stretched a kinetic, potential or both?

A ball is thrown upward with a velocity of Vi. The ball reaches a height of 39 meters. Determine the initial velocity of the ball and the time of the entire trip.

3. Mechanical energy is the sum of the energy of an object. O kinetic and potential O potential and thermal O potential and chemical kinetic and chemical

What is table salt (NaCl) formed by? The combination of two nonmetals. The splitting apart of a metal and a nonmetal. The combination of a metal and a nonmetal. The combination of two metals.

Why does an electrically heated mirror stay clear when a person has a shower?

A car travels 30.0 km to the south and then turns around and travels 20.0 km to the north in 1.5 hours time. What is the car's total displacement? What is the car's average velocity?

What is an ore? a metal a rock that contains a nonmetal resource a nonmetal resource a rock that contains a metal resource

In a series circuit, the voltage across the circuit is always equal to a. the voltage across one of the bulbs. b. the sum of the voltages across each bulb. c. half the sum of the voltages across each bulb. d.