Question 4 (1 point) A mountain biker rides horizontally off a cliff edge at a velocity of 12.5 m/s. If the
cliff is 36 m high, how far away from the bottom edge of the cliff will he land? (HINT:
Round your answer to 0.1, don't forget unit - just use letter not word)
Your
I
Answer
units

conservation of mass

mass before something happens = mass afterwards

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.

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