Tuesday, October 28th

Today in class we went over the Centripetal Acceleration assignment and the Centripetal Force assignment that was on the same sheet. Near the end of the class we also went over the Concept Development Practice Page (the one with the pictures).

Here are the answers for the Centripetal Force assignment:

1.A) 34.9 m/s
B) 24.4 m/s²

2. A) 18.85 m/s
B) 237 m/s²

3. 8 m/s²

4. 1.22 x 10^-5 m/s²

5. A) 0.52 m/s
B) 1.8 m/s2

Answers for the Centripetal Force questions on the back of the same sheet:

1. 27 N

2. A) 46.3 m/s²

B) 4.63 N

3. A) 157.9 m/s²
B) 78.95 N

Answers for the Concept-Developtment Practice Page (Acceleration and Circular Motion side):

1. A) Backward
B) Forward
C) Forward

2. A) Forward
B) Backward
C) Backward

3. A) Outward
B) Inward
C) Inward

4. Opposite

5. A) Faster
B) Increases

6. A) More
B) Increases

Answers for the Concept-Development Practice Page (Centripetal Force):

1. A) T
B) T

2. A) Inward
B) Yes
C) Yes
D) Yes

3. A) Fn pointing up, Ff pointing towards the left, Fg pointing downward
B) Ff
C) Ff
D) Ac is not zero

4. A) Ff
B) Ff

Aaand that’s about all we did for class today! Next scribe is…..Shelly