College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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The egg is launched at a speed of 54 m/s at an angle of 65 degrees above the horizontal. How far horizontally from the catapult should a portal be placed in order to intercept the egg before it hits the ground?
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- A cart is moving with a constant horizontal velocity of 5.00 m/s. A small pebble is launched from the front of the cart with a velocity of 8.00 m/s at 60.0° above the horizontal as measured relative to the cart (see figure) and experiences no significant air resistance. Cart 60° 8.00 m/s -5.00 m/s Just as the pebble returns to the level from which it was launched, what is its distance from the front of the cart? How far did the pebble travel from its launch point relative to the ground.arrow_forwardAn object is launched with an initial velocity of 24.5 m/s at an angle of 37.2 degrees relative to the +x direction. If it is initially at ground level, at what distance away does it return to the ground?arrow_forwardSpitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom at an attacker. Suppose a spitting cobra rears up to a height of 0.520 m above the ground and launches venom at 2.50 m/s, directed 37.0° above the horizon. Neglecting air resistance, find the horizontal distance (in m) traveled by the venom before it hits the ground.arrow_forward
- A father demonstrates projectile motion to his children by placing a pea on his fork's handle and rapidly depressing the curved tines, launching the pea to heights above the dining room table. Suppose the pea is launched at 7.59 m/s at an angle of 77.0° above the table. With what speed (in m/s) does the pea strike the ceiling 1.80 m above the table?arrow_forwardSan Francisco Giants mascot Lou Seal is trying to shoot t-shirts into the crowd at Oracle Park. Lou wants to deliver a t-shirt into the hands of a fan standing 40 m away horizontally but 16 m above the launch point. If he angles the t-shirt cannon 45 degrees above the horizontal, what speed does the cannon need to launch at to get the t-shirt to the fan? (You can ignore air resistance in this problem).arrow_forwardSuppose a soccer player kicks the ball from a distance 31 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be 49° above the horizontal.arrow_forward
- A projectile has an initial velocity of 12.0 m/s at an angle of 42.0 degrees relative to the horizontal. What is the magnitude and direction of the projectile's velocity 1.50 s after it is launched?arrow_forwardA toy cannon is located 15.0 m horizontally away from the base of a 10.5 m high building. A ball is fired from the cannon at an angle of 60.0°, and it passes some unknown distance above the top edge of the building, 1.5 s after it is being fired. (a) What should be the initial velocity of the ball so that it clears the building?(b) How far above the edge of the building is the ball when it passes over the top edge of the building?(c) Is the ball going down or still going up, at the point where it clears the wall?Justify your answer.(d) If the launch point is at the origin, what the x, y coordinates of the location at which the ball strikes the roof of the building?arrow_forwardAn object is launched with an initial velocity of 26.7 m/s at an angle of 36.5 degrees relative to the +x direction. If it is initially at ground level, at what distance away does it return to the ground?arrow_forward
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