The forces shown in the force vs. time diagram in the figure below act on a 1.8 kg particle. The vertical divisions on the graph represent 4.5 N and the horizontal divisions represent 0.50 s.

(a) Find the impulse for the interval t = 0 to t = 1.5 s.

Enter a number.

1Your answer is incorrect.

Your response differs from the correct answer by 10% to 100%. N·s

(b) Find the impulse for the interval t = 0 to t = 2.5 s.

Enter a number.

2 N·s

(c) If the forces act on a 1.8 kg particle that is initially at rest, find the particle's speed at the following times.

1.5 s

Enter a number.

3 m/s

2.5 s

Enter a number.

4 m/s

(a) Find the impulse for the interval t = 0 to t = 1.5 s.

Enter a number.

1Your answer is incorrect.

Your response differs from the correct answer by 10% to 100%. N·s

(b) Find the impulse for the interval t = 0 to t = 2.5 s.

Enter a number.

2 N·s

(c) If the forces act on a 1.8 kg particle that is initially at rest, find the particle's speed at the following times.

1.5 s

Enter a number.

3 m/s

2.5 s

Enter a number.

4 m/s

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