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Answer :
Answer: A. 800 kg
Step-by-step explanation:
They give us all that we need. First, the formula. PE = mgh;
(PE) Potential energy is 235,200 J
(h) Height is 30 m
(m) We are finding the mass
(g) The gravitational constant is about 9.81 m/s²
After plugging into the given formula and solving for m, we get:
A. 800 kg
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Rewritten by : Barada
Mass of roller coaster = 800 kg
Formula Used:- P.E =mgh
g=9.8 m/s^2
h=30 m.
P.E.=235,200
therefore, 235200= m*9.8*30
or, m= 235200 / 9.8*30
or,. m= 235200 / 98*3
or,. m=78400 / 98
or,. m= 800 kg
Formula Used:- P.E =mgh
g=9.8 m/s^2
h=30 m.
P.E.=235,200
therefore, 235200= m*9.8*30
or, m= 235200 / 9.8*30
or,. m= 235200 / 98*3
or,. m=78400 / 98
or,. m= 800 kg
