Problem: A projectile is launched from ground level to the top of a cliff which is 195 m away and 135 m high (as shown in the figure ).If the projectile lands on top of the cliff 6.5s after it is fired, find the initial velocity of the projectile ( (a)magnitude and (b)direction ). Neglect air resistance.

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In this problem, we'll use vector magnitude:

|A|=Ax2+Ay2

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A projectile is launched from ground level to the top of a cliff which is 195 m away and 135 m high (as shown in the figure ).


If the projectile lands on top of the cliff 6.5s after it is fired, find the initial velocity of the projectile ( (a)magnitude and (b)direction ). Neglect air resistance.

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Our tutors have indicated that to solve this problem you will need to apply the Positive (Upward) Launch concept. You can view video lessons to learn Positive (Upward) Launch. Or if you need more Positive (Upward) Launch practice, you can also practice Positive (Upward) Launch practice problems.

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