An object is thrown upward at a speed of 71 feet per second by a machine from a height of 8 feet off the ground. The height h of the object after t seconds can be found using the equation h = - 16t2 + 71t + 8 When will the height be 83 feet? Select an answer v When will the object reach the ground? Select an answer v

An object is thrown upward at a speed of 71 feet per second by a machine from a height of 8 feet off the ground. The height h of the object after t seconds can be found using the equation h = - 16t2 + 71t + 8 When will the height be 83 feet? Select an answer v When will the object reach the ground? Select an answer v

Name: **Projectile Motion Problem:**An object is thrown upward at a speed o
Uploaded: 2024-03-05T11:56:34.000Z
Channel: Bartleby
Description: **Projectile Motion Problem:**An object is thrown upward at a speed of 71 feet per second by a machine from a height of 8 feet off the ground. The height \( h \) of the object after \( t \) seconds can be found using the equation:\[ h = -16t^2 + 71t

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)...

See similar textbooks

Similar questions

A golf ball is launched from the ground with a speed of 1.141 m/s at 45° above the horizontal. What is its speed just before it strikes ground? 1 m/s 1.141 m/s 2 m/s 0.707 m/s None of these.
Sophie is sitting in the stands, watching a car race around a circular track. The track has a radius of 68.0 meters, and the car passes Sophie approximately every 9.44 seconds. Based on these measurements, what is the car's speed? 31.9 m/s 50.1 m/s 29.0 m/s 45.3 m/s
The car travels around the circular track having a radius of r = 300 m such that when it is at point A it has a velocity of 8 m/s, which is increasing at the rate of v = (0.08t) m/s², where t is in seconds. (Figure 1) Figure A X 1 of 1 Part A Determine the magnitude of the velocity when it has traveled one-third the way around the track. Express your answer to three significant figures and include the appropriate units. V = Submit Part B Value a = μA 0 Submit Request Answer Determine the magnitude of the acceleration when it has traveled one-third the way around the track. Express your answer to three significant figures and include the appropriate units. O μÀ Value Units Request Answer ? Units ?
A paperclip falls to the ground for 8.36 seconds. What is the speed of the paperclip just before it hits the ground? You can assume no air resistance. Round to 1 decimal. Imagine a ball that is pushed off a desk completely horizontal and falls 9.74 m down to the floor. If it landed 8.56 m away from the edge of the desk, how fast was it moving in the horizontal direction just before it hit the ground? Round to 1 decimal.
Emily throws a soccer ball out of her dorm window to Allison, who is waiting below to catch it. Emily throws the ball at an angle of 30° below horizontal with a speed of 12 m/s, and Allison catches it 2.5 s later. What is the vertical distance between Emily and Allison, in meters? Use g = 10.0 m/s2.
An object thrown from a height of 2 m above the ground follows a parabolic path until the object falls to the ground. If the object reaches a maximum height of 7 m after travelling horizontal distance of 4 m, determine the horizontal distance between the object's final position and final position.
A rock is thrown straight up with an initial velocity of 6.3∗10^1m/s. What maximum height will the rock reach before starting to fall downward? (Take acceleration due to gravity as 9.80?/?^2) answer in meters
A rock is dropped from rest and falls for 2 seconds before hitting the ground from what height was it dropped (approximate g= 10m/s^2)
A rocket is fired upward with a velocity (v) of 590 feet per second. find how many seconds pass before the rocket reaches the ground (s=0) again. use the quadratic equation s=-16t^2+590t.
A falling stone takes Δt = 0.38 s to travel past a window 2.2 m tall (see the (Figure 1)). From what height above the top of the window did the stone fall? Express your answer to two significant figures and include the appropriate units.
A ball of 5kg is shot vertically upward with 19.6m/s. What is the maximum height it can reach (in meter)?
The elevations of the ski jumping hill shown below are as follows: hA = 49 m hg = 3.5 m hc = 5.2 m If the velocity of a ski jumper is measured to be 25.4 m/s at position B, what will be the launch velocity (in m/s) at position C [round your final answer to one decimal place]? A hA C B hc nB