A 34.9kg child starting from rest slides down a water slidewith a vertical height of 19.0 m.
a) What is the child's speed halfway down the slide's vertical distance________m/s
b) What is the child's speed three-quarters of the waydown_______m/s
A man pushes a lawn mower on a level lawn with a force of214N. If 25% of this force is directed downward , and 57 W ofpower is espende in pushing the mower 5.5 m , how much time isspent in pushing the mower this distance__________s