Mike drove 70 km due west and then 100 km due east.

What is his total distance traveled?

What is his total displacement?

If Mike took 3 hr to complete the trip, what was his average speed?

What was his average velocity over the 3 hr trip?

In a simple electric circuit, a 24-ohm resistor is connected across a 6.0-volt battery. What is the current in the circuit? (1) 1.0 A (3) 140 A (2) 0.25 A (4) 4.0 A

What's the difference between red blood cells and white blood cells

A weight of 18,000 lb is supported on a rectangular base plate that is 9 in. wide and 2 ft long. the base plate rests on a concrete slab. determine the stress that the base plate exerts on the concrete slab. express your answer in units of (a) lb/in.

What are mechanical waves?

while a block slides forward 1.35 m, a force pulls back at a 135 direction, doing - 17.8 J of work. what is the magnitude of the force? (unit=N)

The distance from the inner core to the surface of the earth is about 5,200 kilometers. the large amount of material surrounding the inner core places tremendous pressure on it.

What type of wave is sound? longitudinal light surface transversal

What is the difference between meteors and meteorites?

The puzzle box is traditionally associated with the work of

A 0.95-kg sample of water at 11°C is in a calorimeter. You drop a piece of steel with a mass of 0.39 kg at 212°C into it.