A ball is kicked at an angle of 43° with the ground. a. What should be the initial velocity of the ball so that it hits a target that is 40 meters away at a height of 1.8 meters? b. What is the time for the ball to reach the target?

A ball is kicked at an angle of 43° with the ground. a. What should be the initial velocity of the ball so that it hits a target that is 40 meters away at a height of 1.8 meters? b. What is the time for the ball to reach the target?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter8: Time And Time-related Variables In Engineering

Section: Chapter Questions

Problem 45P

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Concept explainers

State Plane Coordinate Systems

The state plane coordinate system (SPCS or SPS) is a collection of 124 coordinate systems or geographic zones prepared for particular regions of the U.S. Every state consists of one or more than one state plane zone, the boundaries of which generally follow the county lines. Inside the U.S., there are 110 zones in total, 10 more zones in Alaska, 5 in Hawaii, and 1 for Puerto Rico and US Virgin islands. The system is extensively used for geospatial and geographic data assembling by the state and local governments.

Question

A ball is kicked at an angle of 43° with the ground.
a. What should be the initial velocity of the ball so that it
hits a target that is 40 meters away at a height of 1.8
meters?
b. What is the time for the ball to reach the target?

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