Answer:
The time of oil tanker will be 80 sec.
Explanation:
Given that,
He walks at 3 km/hour.
If the container ship is 100 m long, and travelling at 12 km/hour.
The distance will be 200 m.
We need to calculate the relative velocity
Using formula of relative velocity
Put the value into the formula
The distance is 200 m.
We need to calculate the time
Using formula of time
Put the value into the formula
Hence, The time of oil tanker will be 80 sec.
Answer:
The growth of inter-regional trade in luxury goods was encouraged by innovations in previously existing transportation and commercial technologies, including the caravanserai, forms of credit, and the development of money economies as well as the use of the compass, the astrolabe and larger ship designs.
Explanation:
Caravanserais, large guest houses for travelling merchants and their caravans, were dispersed along the land routes of the Silk Roads. ... By offering such an intercultural environment, caravanserai were important sites for the exchange of material culture, languages and ideas.
wouldn’t the independent variable be just the student who are asked to sign in? Because, isn’t the independent the one that is being changed and the dependent variable is the one responding to the change?
- A dependent variable is the variable that changes as a result of the independent variable manipulation. It's the outcome you're interested in measuring, and it “depends” on your independent variable.
