chapter 2.2 Flashcards
1
Q
what is the difference between speed and velocity?
A
velocity has a direction
2
Q
is it possible to have a constant speed with a change in velocity?
A
yes
3
Q
how do you calculate momentum?
A
p =mv (p- momentum, m- mass, v- velocity)
4
Q
what are the units for momentum?
A
kg*m/s direction (units times meters per second)
5
Q
what is the unit for mass?
A
kg (kilogram)
6
Q
what are the units for velocity?
A
m/s direction (meters per second and the direction: ex- north, south, east, or west, etc.)
7
Q
the speed and direction of an object in motion
A
velocity
8
Q
the product of mass and velocity for an item
A
momentum
