Momentum
A 3kg rock moves at 0 m/s. What is its momentum?
0kg times meters per second or no momentum
A car moved 4m east in 4 seconds. What is its velocity?
A man walked 1 meter in a race from the starting line. What is his displacement
1 meter
A man walked 18 meters to his mailbox and back. What is his total distance
36 meters
What is acceleration?
The rate at which an object increases its velocity
A 5000 kg cruise ship is moving at 17 m/s. What is its momentum?
85000kg ⋅ m/s
What type of quantity is velocity?
Vector
What kind of quantity is displacement?
Vector
What kind of quantity is distance?
What is the formula for acceleration
a= change in distance/ time
A car and a bike are moving at the same speed. Which would have more momentum?
The car.
The velocity of a person is 0.5 m/s north. How long would it take to go 10 meters
20 seconds
A man walked 12 meters east and 13 meters west. What is his displacement
1 meter
Is recorded in miles on the odometer of a car
distance
What is acceleration written as
m/s^2
A 4000kg car is moving at 30 m/s.
A 0.5 kg squirrel is moving at C( the speed of light, or 299,792,458 m/s)
Which has more momentum?
The squirrel has more momentum. The squirrel has 149896229 kg ⋅ m/s and the car has 120000 kg ⋅ m/s.
If a man ran 20 meters east, 25 meters west, and then 15 meters east in 30 seconds, what is the average velocity
0.3m/s east
Would a man walking back and forth from two positions two meters apart or a man on a treadmill have more displacement in most cases
Man walking back and forth
A man walked to a store 5km away, then to his friends house 2 km away, back to the store, and then home. What was his total distance?
14km
A man had an acceleration of 2 m/s^2 for 10 seconds. He started at 5 m/s east. What is his velocity at the end?
25m/s
A 0.0000000000000000000000000016726 kg( or 1.6726⋅10^-27 kg) proton is moving at 2200m/s. What is it's momentum?
0.00000000000000000000000367972kg ⋅ m/s
or 3.67972⋅10^-24 kg ⋅ m/s
A man walked 20 meters north, 20 meters west, 20 meters south, and 20 meters east in 50 seconds. What is the average velocity
0
A man walks 7 meters east, 12 meters west, 11 meters west, and 18 meters east. What is his displacement.
2 meters east
A bike went 17 m/s for 10 seconds. What is the total distance
170 meters
A car was at 20 m/s east. 30 seconds later, he was at 0 m/s. What is his acceleration?
-0.666666666667 m/s^2