Answer:
The energy in object is 3.8 Kilo Joules.
Step-by-step explanation:
We are given the following in the question:
Mass = 20 kg
Height,h = 20 m
g=9.5 m/s^2
Formula:
Potential energy =
Putting value we get,
Thus, the energy in object is 3.8 Kilo Joules.
1. 2 as 4 x 2 is 8 and 4 x 8 is 32 so 32 + 8 = 40
Answer:
Step-by-step explanation:
^^there are 20 Trucks in total And 5 cars
16.666666667 rounded to the nearest tenth is 16.7. Rounded to the nearest "tenth" means rounded to one decimal place.
12x²-9x = 0
3x(4x-3)=0
4x-3=0
4x=3
x=3/4
so either x = 0 or x = 3/4