In preparation of the qualifying matches for the national competition of Javelin sports, a javelin thrower practices at least 3 times a week. Within these 3 days, he was able to throw his javelin with a velocity of 20 m/s, 25m/s, and 18 m/s respectively between the angles of 37 degrees and 45 degrees above the horizontal. Give the: 1. free body diagram based on the average angle and velocity 2. horizontal and vertical component 3. range 4. maximum height 5. time of flight 6. time to reach the maximum height

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”