Question

Question 6 (1 point)

Saved

Using a spreadsheet, find the slope of the trendline that runs between the following points where each datapoint records (time,speed):

(0.1 , 8) , (0.2 , 7) , (0.3 , 6) , (0.4 , 4) , (0.5 , 2) , (0.6 , 1)

Question 6 options:

A)

11.2

B)

5.78

C)

-4.62

D)

-14.9

Procedure 4: Throw Ball Upwards

Throw your ball upwards (If you're inside, be careful. If you're outside, be careful.)Observe the speed of the ball as it moves upward.

Question 7 (1 point)

What happens to the speed of the ball as it travels upward from your hand to the top of its path.

Question 7 options:

A)

it travels at the same speed all the way up

B)

it speeds up

C)

it slows down

Question 8 (1 point)

What does the velocity do at the top of the path?

Question 8 options:

A)

it slows down a little bit

B)

it stops, velocity = 0 for a split second

C)

it speeds up

D)

it explodes into a monstrous fireball

Question 9 (1 point)

What do these observations mean about the direction of the acceleration due to gravity?

SELECT ALL THAT APPLY

Question 9 options:

A)

If the upward initial velocity is a positive number, then the acceleration must also be a positive number

B)

Gravity pulls downward

C)

If the upward initial velocity is a positive number, then the acceleration must be a negative number

D)

acceleration is zero

Procedure 5: Throw Ball Downwards

Throw the ball downwards with a small velocityObserve the motion of the ball (best as you can)

Question 10 (1 point)

What happens?

SELECT ALL THAT APPLY

Question 10 options:

A)

The ball speeds up as it falls

B)

The initial velocity is up but the acceleration is down

C)

The initial velocity is down and the acceleration is also down

D)

the ball hit the floor (or ground)

Answer 1