1
answer
0
watching
90
views
13 Nov 2019
I need help with d. And e.
e the answer. B 3.7.007 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 +21.5t-4.9t2 after t seconds. (Round your answers to two decimal places.) (a) Find the velocity after 2 s and after 4 s. v(2)1.9 v(4) 17.7 m/s m/s (b) When does the projectile reach its maximum height? 2.19 (c) What is the maximum height? 27.58 (d) When does it hit the ground? 1.17 (e) With what velocity does it hit the ground? m/s Need Help? Read it
I need help with d. And e.
e the answer. B 3.7.007 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 +21.5t-4.9t2 after t seconds. (Round your answers to two decimal places.) (a) Find the velocity after 2 s and after 4 s. v(2)1.9 v(4) 17.7 m/s m/s (b) When does the projectile reach its maximum height? 2.19 (c) What is the maximum height? 27.58 (d) When does it hit the ground? 1.17 (e) With what velocity does it hit the ground? m/s Need Help? Read it
Hubert KochLv2
13 Nov 2019