The cliffs at Acapulco are 35 m above the water, but the rocks at the base of the cliff extend out 5 m from the base of the cliff. How fast must they be moving to clear the rocks? How long are they in the air?Use the formulas in the picture please. Projectile Motion, Constant Accel. FormulasX components (horizontal):projectile:Vx =Vx0 + a,tX = X, + Vxot + ½ a,t?v,? = V,0² + 2a,(x-x)Vy =Vx0XX = X, + Vxotv,? = v,%D2x0Y components (vertical):projectile:Vy = Vyo + a,ty = yo + Vyot + ½ a,t²v, = v,² + 2a,(y-y.)Vy = Vyo - gty = yo + Vyot - ½ gt?v, = v,² -2g(y-yo)= V.= V.

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The cliffs at Acapulco are 35 m above the water, but the rocks at the base of the cliff extend out 5 m from the base of the cliff. How fast must they be moving to clear the rocks? How long are they in the air? Use the formulas in the picture please.

The cliffs at Acapulco are 35 m above the water, but the rocks at the base of the cliff extend out 5 m from the base of the cliff. How fast must they be moving to clear the rocks? How long are they in the air? Use the formulas in the picture please.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 6P: At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of...

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Concept explainers

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?”

Question

Use the formulas in the picture please.

Projectile Motion, Constant Accel. Formulas
X components (horizontal):
projectile:
Vx =Vx0 + a,t
X = X, + Vxot + ½ a,t?
v,? = V,0² + 2a,(x-x)
Vy =Vx0
X
X = X, + Vxot
v,? = v,
%D
2
x0
Y components (vertical):
projectile:
Vy = Vyo + a,t
y = yo + Vyot + ½ a,t²
v, = v,² + 2a,(y-y.)
Vy = Vyo - gt
y = yo + Vyot - ½ gt?
v, = v,² -
2g(y-yo)
= V.
= V.

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