84. Calvin uses a slingshot to launch an orange straight up inthe air to see what will happen. The distance in feet be-tween the orange and the ground after t seconds is givenby the equation s(t) = –16t² + 90t +5. Use this equationto answer the following questions:(a) What is the initial height of the orange? What is theinitial velocity of the orange? What is the initial ac-celeration of the orange?(b) What is the maximum height of the orange?(c) When will the orange hit the ground?

Given data The distance between the orange and ground is given as s(t)=-16t2+90t+5

Answered: 84. Calvin uses a slingshot to launch…

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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A golfer hits a golfball off a cliff from 8.5 metres above flat ground. The golfball is hit with an initial velocity of 43m/s [33 degrees above the horizontal]. a) Calculate the time of flight of the golfball. b) Calculate the horizontal range of the golfball. c) Calculate the maximum height of the golfball above the ground. d) Calculate the velocity of the golfball at its maximum height.
student throws a heavy red ball horizontally from a balcony of a tall building with aninitial speed v0. At the same time, a second student throws a lighter blue ball horizontally fromthe same balcony with an initial speed v0 /2. Ignoring air resistance, which of the followingstatements must be true?a. The red ball hits the ground with the greater speed.b. Both balls hit the ground with the same vertical velocity component.c. Both balls hit the ground with the same angle of impactd. The balls reach the ground at the same instant. More than one of the statements can be true.
1. In a practice session, Iris hits a ball horizontally with a speed of 36 m/s from a height of 3.1 m. The ball travels until it hits the ground. a. Determine the time the ball is in the air. b. Determine the horizontal distance traveled by the ball. c. Calculate the ball’s velocity as it hits the ground.
2. A group of students conducted a projectile experiment in which they fired a projectile at an unknown angle with varying speed. Students took the following data for projectile range and speed. Determine: a. What kind of graph comes out if initial velocity vs. range is plotted? R(m) Volm/s) 0.2 1.71 0.4 2.42 0.6 2.97 0.8 3.43 3.83 1.2 4.2 1.4 4.53 1.6 4.84 1.8 5.14 2 5.42 b. What is the linearization method for this graph? c. Make the linearized graph and determine its slope with its units. d. Determine the initial angle at which the projectile was launched.
1. A ball is thrown upwards with an initial velocity of ; = 44 m/s at an angle of above the horizontal. It travels a distance Ar = 75 m in the horizontal direction and lands at its original height. What is 0? (Hint 1: examine the ball's motion in both the x and y directions. Hint 2: you may need to use that sin(0) cos(0) = (1/2) sin(20). Hint 3: There are two solutions to this problem; try to find both.) Take g = 9.81 m/s² and show all your work.
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a projectile is fire horizontally outward from the top of a table. The initial height of the bullet above the ground is 5.0 meters and the bullet travels a horizontal distance of 8.0 meters before hitting the ground. Draw an accurate diagram showing the motion of the projectile. Calculate the a. time the bullet was in the air b. the initial velocity of the projectile
1.On August 25,1894, Chicago catcher William Schriver caught a baseballthrown from the top of the Washington Monument (555 ft, 898steps). (a) If the ball was thrown horizontally with a speed of5.00 m/s, where did it land? (b) What were the ball’s speed anddirection of motion when caught? Graph and Explain.

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