Indicate valleys, hills, steepness and gentleness of slopes.
Answer:
False
Explanation:
The magnitude of any vector is given by,

The magnitude of anything is never negative. It can be even seen from the formula that the components are squared. A squared value can never be negative. Even if the component is negative the square will be always positive.
So, magnitude of the vector is <u>not</u> negative.
Answer: 90 meters
Explanation: 60/20=3 and 3*30=90 so it is 90 meters.