Question

s=ut+1/2at2 = 92 u=7m/s a=8m/s2 find t​

Answer 1

Answer:

4 sec(if it is a positive acceleration )

-23/4 (if it is a negative acceleration)

Step-by-step explanation:

simply put the given values in the equation

s=ut+1/2at^2

92=7t+1/2*8t^2

4t^2+7t-92=0

4t^2+23t-16t-92=0

(t-4)(4t+23)=0

plz let me know if the answer is correct or not.

Answer 2

Answer:

t = 4 second

Step-by-step explanation:

hope u understand