Take Test: Quiz#1: CH.12-172 × Chegg Study l Guided Solutio \'I WANT TO MAKE OUT

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Take Test: Quiz#1: CH.12-172 × Chegg Study l Guided Solutio 'I WANT TO MAKE OUT WITH x" gols wordRefere × majeedoh × R cream pie- C Secure https://blackboardkfupm.edu.sa/webapps assessment take/launch sp?course assessmentid-14624_1&course; id-423881&content; id -7391461&ste; ::: Apps KFUPM Portal Cent. YouTube Blackboard Learn R English to French, t e Stewart Calculus: Ea King Fahd University PD PDF Drive Search a Manage your Apple l Online Attendance QUESTION 1 2.5 points Save Answer Starting at time t-0, an object moves along a straight line. its coordinate in meters is given by: x (t)-35t - 91 t3, where t is in sec. when the velocity of the object is zero, what is the value of its acceleration? Write your answers to four significant figures without units or text. For example: 123.1234 QUESTION 2 2 points Save Answer A stone and a ball are thrown vertically upward from the same level with different initial speeds; 42 ms for the stone and 7 m/s for the ball. If the maximum hight reached by the ball is H, what is the maximum hight reached by the stone.? 5 H 36 H 6 H 16 H QUESTION 3 1 pointsSave Answer A body can have a constant velocity and still have a varying speed. True False Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit

Explanation / Answer

Question 2 :

Solution:-

Given :- Velocity of stone = V1 = 42 m/s

Maximum Height is H1 = u2/2g = (42*42)/(2*9.81) = 89.9081m

For ball H = (7*7)/(2*9.81) = 2.4974m

H1/H = 89.9081/2.4974 = 36

H1 = 36H ................Answer

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