(D)
Explanation:
The more massive an object is, the greater is the curvature that they produce on the space-time around it.
Answer:
50 meters
Explanation:
Let's start by converting to m/s. There are 3600 seconds in an hour and 1000 meters in a kilometer, meaning that 72km/h is 20m/s.

Since the car starts at rest, you can write the following equation:

Now that you have the acceleration, you can do this:

Once again, there is no initial velocity:

Hope this helps!
different because joules law talks about heat produce in an electric whiles ohm' law talks about potential difference