If a rock is thrown upward on the planet Mars with a velocity of 14 m/s, its height (in meters) after t seconds is given by H=14t - 1.86t². (a) Find the velocity of the rock after one second. m/s (b) Find the velocity of the rock when t = a. m/s (c) When will the rock hit the surface? (Round your answer to one decimal place.) t= (d) with what velocity will the rock hit the surface? m/s

If a rock is thrown upward on the planet Mars with a velocity of 14 m/s, its height (in meters) after t seconds is given by H=14t - 1.86t². (a) Find the velocity of the rock after one second. m/s (b) Find the velocity of the rock when t = a. m/s (c) When will the rock hit the surface? (Round your answer to one decimal place.) t= (d) with what velocity will the rock hit the surface? m/s

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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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

If a rock is thrown upward on the planet Mars with a velocity of 14 m/s, its height (in meters) after t seconds is given by H= 14t -
1.86t².
(a) Find the velocity of the rock after one second.
m/s
(b) Find the velocity of the rock when t = a.
m/s
(c) When will the rock hit the surface? (Round your answer to one decimal place.)
t
S
(d) with what velocity will the rock hit the surface?
m/s

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