The first one. They are not made of elements. They are elements
Answer: sometimes when people start having an outbreak of it, i guess
Explanation:
Air spaces are used in insulation because air is a poor conductor.
Answer:
18.896ms-1
Explanation:
The tangential acceleration of the car= 0.747ms-2
The centripetal acceleration is given by v^2/r
0.747= v^2/r
V= √0.747*478= 18.896ms-1