Answer :
You get [tex]2.3=1.21*\frac{a}2[/tex] or [tex]4.6=1.21a[/tex] or [tex]a=3.802[/tex] (B)
Acceleration due to gravity on this planet will be 3.802 m / s^2
What are equations of motion?
Equation of motion are defined as equations that describe the behavior of a physical system in terms of its motion as a function of time
Using equation of motion
u=0
s= 2.3 m
t = 1.1 sec
to find = g (acceleration due to gravity on this planet)
s = u t + 1/2 (a ) (t ^(2))
s = 1/2 (g) (t^2)
2.3 = 1/2 (g) (1.1^2)
g = 2 * 2.3 /(1.1)^2
g = 4.6 /1.21= 3.802
correct answer is b) g = 3.802 m / s^2
Learn more about equation of motion
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