Kinematics

Question 1

What is the meaning of x in the constant acceleration equations?

Answer 1

x is your posistion or how far you’ve traveled from the origin. Units are meters. This is a vector quantity.

Question 2

What is the right-hand-side of this equation: v²=

Answer 2

v²=vo² + 2a( x-x₀ )

Question 3

What is velocity, v?

Answer 3

Velocity is how fast you are moving, or how quickly your distance from the origin is changing in time, or how quickly your position is changing, v = delta x / delta t. This vector quantity is measured in meters per second. It is measured with a ruler and a stop watch.

Question 4

What is acceleration, a?

Answer 4

Acceleration is how quickly you get fast, or how quickly your velocity is changing, a = delta v / delta t. This vector quantity is measured in meters per second per second. It is measured with a velocity meter and a stop watch.

Question 5

How do you measure velocity?

Answer 5

Measure the distance traveled with a ruler and measure the elapsed time with a stop-watch.

Question 6

Is velocity a vector quantity?

Answer 6

Yes

Question 7

Is acceleration a vector quantity?

Answer 7

Yes

Question 8

How do you measure position x?

Answer 8

Use a ruler to measure distance from the origin.

Question 9

How do you measure acceleration?

Answer 9

Measure intial and final velocities and use a stop-watch to measure the small time interval

Question 10

What is the right-hand side of this equation?

v =

Answer 10

v = v₀ + at

Question 11

What is the right habd side of this equation for motion having constant acceleration?

x =

Answer 11

x = x₀ + v_ot + 1/2 at²

Question 12

What is the slope on an x-t graph?

Answer 12

velocity v = delta x / delta t

Question 13

What is the slope on a v-t graph?

Answer 13

acceleration = delta v / delta t

Question 14

What is the area under the curve on a v-t graph?

Answer 14

distance traveled, x

Question 15

What is the area under the curve on an a-t graph?

Answer 15

The velocity, v