Yes. a physical change is only modifying the structure of it.
a chemical change is permanently changing something.
cutting cheese into slices is a physical change
cooking an egg is a chemical change
As more and more lamps are connected in parallel (and if the current does not produce heating inside the battery) their brightness stays the same. Each lamp has the same voltage across it. Each lamp added in parallel decreases the total resistance in the circuit, so additional current flows.
Answer:
4.5s
Explanation:
A sports car accelerates from zero to 30 mph in 1.5 s.
The car's speed is 240km/4hr= 60km/hr.
There's not enough information given in the question to determine its velocity.
Because your taking a educated guess on what will happened if the track member drinks the energy drink
