ch 2.2 and 2.3 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 same speed different direction
3
Q
how do you calculate momentum
A
p=m*v momentum =mass times velocity
4
Q
what are the units for momentum
A
kg*m/s direction
5
Q
what is the unit for mass
A
kg
6
Q
what are the units for velocity
A
m/s direction
7
Q
velocity
A
the speed and the motion of the object
8
Q
Momentum
A
an objects mass and velocity
9
Q
acceleration
A
rate of change of velocity
10
Q
centripetal acceleration
A
acceleration towards the center of a curved of circular path