Newton's laws (part 1)

Answers to Questions

1a           -2.5m/s²                                              b             -2500N

2a           5m/s²                                    b             450 N

3a           0.25m/s²              `               b             3N

4a           - 1500 m/s²                         b             -30 N

5              500kg

6              10m/s²

7              a = - 3m/s                                          -2250 N