A man weighting 600N runs up the hill. It takes him 20s to reach top which is 15m from ground. Calculat

A) a work he has done

B) the power output his legs

True or False: A cross product is an equation which states that two ratios are equal.

Assuming that voltage remains constant, what happens to the current in a wire if the length of the wire increase?

Explain why it can hurt your hands when you carry heavy shopping in carrier bags.

Which operations are not associative? A. multiplication and addition B. multiplication and division C. division and subtraction D. addition and subtraction

What length nap has the same effect as drinking an energy drink? A. 90 minutes B. 10-20 minutes C. 60 minutes D. 30-40 minutes

In equation y = mx means what

Sea anemones can produce completely new organisms by regeneration. Are these new organisms genetically identical to the parents? Why or why not

What are 3 types of muscle tissue still?

Which of the following is a true statement? * Waves do not transport matter through which they travel Waves can transport matter through solids, liquids and gases, but not through empty space.

What happens to the amplitude of a sound wave when energy transfer is increased? A As the transfer of energy is increased, the amplitude increases causing the sound to get louder.