Chapter 3 Flashcard Review Part 1

Front

A plane is flying 167 mph and encounters a 20 mph tailwind. Calculate the resultant velocity.

Back

187 mph

Front

Wind velocity can be represented as a vector quantity.

Back

true

Front

The vertical component of velocity for a projectile is constant even with no air resistance.

Back

false

Front

Calculate the resultant velocity of a pair of 102 km velocities at right angles to each other. Round to the nearest whole number.

Back

144 km/h at a 45 degree angle

Front

A vector is a quantity that has

Back

magnitude and direction

Front

A quantity that has both magnitude and direction is called a _____.

Back

vector

Front

When a velocity is represented as a vector

Back

the length of the arrow represents the speed, the length of the arrow is drawn to a suitable scale, the direction of the arrow shows the direction of motion.

Front

What is the minimum resultant possible when adding a 5-unit vector to a 10-unit vector?

Back

5

Front

A ball rolling down a hill is a projectile.

Back

false

Front

If a car drives at right angles to the wind, then the ground speed is

Back

more