Homework 21 You must show all work to receive credit. Write in a clear and organ

Question

Homework 21 You must show all work to receive credit. Write in a clear and organized manner, unclear work will not receive credit. 1 Warm-up Questions a) A ball is fired from a cannon at point 1, and fol- lows the tragectory shown in the figure to the right. Which vector corresponds to the cannonball's i) velocity at point 2: ii) acceleration at point 2 iii) velocity at point 3: iv) acceleration at point 3 b) Vladimir drives a Porche horizontally off a cliff with an unknown height with an initial speed of t, and travels a horizontal distance 30 m before crashing into the ground. Angela is following Vladimir at a speed of 20, in her Jaguar. How far will Angela go before she crashes into the ground? Angela's Distance:

Explanation / Answer

(a)

(i) Velocity at point 2: D vector (directed along tangent)

(ii) acceleration at point 2: A vector (due to gravity, always downwards)

(iii)velocity at point 3: C vector (tangent at point 3)

(iv) Acceleration at point 3; A vector(due to gravity, always downwards.)

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