Acceleration occurs under three conditions
What is speeding up, slowing down, and/or changing directions?
The formula for momentum
What is p = mv ?
Calculate acceleration for the following:
As you brake your hoverboard, your velocity changes from 12 m/s east to 6 m/s east in 5 seconds.
What is -1.2 m/s west?
Negative acceleration tell us that an object is
What is slowing down?
A tennis ball and a bowling ball have the same velocity. Which would be harder to stop and WHY?
Bowling ball, mass.
Describe displacement if you leave school and travel 1.3 km north to a friend's house and then 3.4 km south to the store.
What is 2.1 km south?
An object’s momentum includes its _____.
What is mass and velocity?
The distance between an object and a reference point is the object's _____.
A) displacement
B) neutral point
C) position
D) velocity
What is C) position?
If an object has a constant velocity, then it has an acceleration of ________.
What is zero?
Earth's _____ causes projectiles to follow a curved path.
What is gravity?
_____ is the speed of an object at any instant of time.
What is instantaneous speed?
Found by dividing the total distance traveled by the total time
What is average speed?
A 10kg object moves with a velocity of 5 m/s. What is its momentum?
50 kg . m/s
Describes why projectiles move in a curved path.
What is they have horizontal acceleration and vertical momentum?