Answer:
Explanation:
F = Force on the skier = 60 N
= Coefficient of friction = 0.05
w = Weight of skier
Force is given by
Weight of the skier on which the force is being applied is .
a. -5,4
b. 28
(see how to solve in pic)
Letra a obrigadoaijahahavqvqgqgqg
Sound travels through solids and liquids at the same speed
Because sound needs a dencer object to travel fast and since both liquid and solids are closer than gas sound travles faster in them.