5. Lars Is standing near the edge of a 90-meter cliff. He throws a ball upward, but does not catch It, and it falls to the bottom of the cliff face. From when he threw the ball upward to when ithit the ground below, 5.55 seconds passed. What was the Initial vertical velocity of Lars' throw?O-11 m/sO 43 m/sO -43 m/sO 11 m/sPREVIOUS5 of 10 NEXTREVIEWSAVE & EXIT<-->CeDIIesc%&backspa

Given data The height of the cliff is given as s = 90 m. The tie interval is given as t = 5.55 s.…

Answered: 5. Lars Is standing near the edge of a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Honors physics which answer is correct?
A stone is thrown vertically down a well at a speed of 2.7 m s¹. It takes the stone 2.02 s to reach the water at the bottom of the well. Calculate i. the speed with which the stone is falling just before it touches the water. ii. the depth of the well (The acceleration due to gravity is 9.81 m s-2. Air resistance is negligible.)
6. A ball is thrown vertically upward from the edge of a bridge 26.5 m high with an initial speed of 17.0 m/s. The ball falls all the way down and strikes the water below. Determine the time it takes the ball to strike the water. S ssf60 er be f60 ssf? ssf60ball D9JSS (S
-b+√b²-4ac 2a x = xo + vot + ½ât², v = vô + āt, v² = v² + 2ảAx, t = ² Problem 1: A ball is thrown straight up from the ground. The ball reaches a maximum height of 5 m. For simplicity, use g = 10 m/sec². a) What is the initial speed of the ball? Answer: 10 m/sec b) What is the time it takes the ball to reach the maximum height of 5 m? Answer: 1 sec c) What is the time it takes the ball to hit the ground? Answer: 2 sec d) At what times is the ball at a height of 3 m above the ground? Answer: 0.37 sec and 1.63 sec e) What is the velocity of the ball when it is at a height of 3 m above the ground? Answer: +6.3 m/sec or -6.3 m/sec.
A student who aspires to ace his quiz in Phys134 went to a wishing welI. He dropped his first 10-peso coin and made a quick wish. Two seconds after he dropped his first coin, he threw another 10-peso coin vertically downward with a speed of 30m/s. How long will it take the second coin to overtake the first? * 3.8 s 1.9 s 2.9 s The second coin will never overtake the first coin
1. Assume that air resistance is proportional to speed. A parachutist falls from rest. If he did not open his parachute, he would reach a terminal velocity of 90 m/s. With an open parachute, he reaches a terminal velocity of 10 m/s. He opens his parachute 20 s after he started falling. Calculate (a) The distance already fallen at the moment when he opens his parachute; (b) The total distance fallen 40 s after he started falling.
A fast-pitch softball player pitches the ball horizontally at 22.4 s. Her release point was 0.67 m above the ground. What is the vertical accel- eration of the softball after she lets go of the ball? m -9.81 m B. 0- s2 C 15 m D 33 m

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