displ = velocity x time
25 x 3.2 = 75+5 km north.
a . true hardness and density are physical properties
the answer is True you can convert matter and energy
Answer:
This question can be answered by using conversation of energy.
Explanation:
Note that we take 
because we are looking for the minimum initial speed for the penguin to reach the top of the second hill. Any other speed more than this will already be enough for him.
