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13 Nov 2019
..1 Verizon令 3:36 PM @ã* 45% + For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer Assignment Scoring Your last submission is used for your score. The height (in meters) of a projectile shot vertically upward from a point 4 m above ground level with an initial velocity of 21.5 m/s is h. 4+21St.4ã¡ after t seconds. (Round your answers to two decimal places.) (a) Find the velocity after 2 s and after 4 s. 4)-10 (b) When does the projectile reach its maximum height? (c) What is the maximum height? (d) When does it hit the ground? (e) With what velocity does it hit the ground? m/s Need Help? s If a ball is thrown vertically upward with a velocity of 160 t/s, then its height after t seconds is-10-16 (a) What is the maximum height reached by the ball? ft (b) What is the velocity of the ball when it is 384 ft above the ground on its way up? (Consider up to be the positive direction.) ft/s What is the velocity of the ball when it is 384 ft above the ground on its way down? ft/s
..1 Verizon令 3:36 PM @ã* 45% + For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer Assignment Scoring Your last submission is used for your score. The height (in meters) of a projectile shot vertically upward from a point 4 m above ground level with an initial velocity of 21.5 m/s is h. 4+21St.4ã¡ after t seconds. (Round your answers to two decimal places.) (a) Find the velocity after 2 s and after 4 s. 4)-10 (b) When does the projectile reach its maximum height? (c) What is the maximum height? (d) When does it hit the ground? (e) With what velocity does it hit the ground? m/s Need Help? s If a ball is thrown vertically upward with a velocity of 160 t/s, then its height after t seconds is-10-16 (a) What is the maximum height reached by the ball? ft (b) What is the velocity of the ball when it is 384 ft above the ground on its way up? (Consider up to be the positive direction.) ft/s What is the velocity of the ball when it is 384 ft above the ground on its way down? ft/s
Keith LeannonLv2
27 Jun 2019