Lab 7B - Conservation of Energy

For Lab 7B, the track gets attached to hole 

• 3 from the bottom.

• 4 from the top.

• 5 from the bottom.

• 4 from the bottom.

Where does the Photogate go for Lab 7B?

• 20 cm from the end.

• 5 cm from the end.

• 25 cm from the end.

• 20 cm from the top.

How do you measure the height?

• From the table to the photogate.

• From the table to the center of the track.

• From the string to the center of the car (the dot on the car).

• From the table to the center of the car (the do on the car).

When releasing the car, you line up ...

• the front wheels of the car with the mark on the track.

• the rear of the car with the mark on the track

• the front of the car with the mark on the track.

• the center of the car (the dot on the car) with the mark on the track. 

What equation are you using to PREDICT the speed of the car?  Predicted Speed, not Actual Speed

• 

• 

• 

•