Answer:
Sound travels through solids and liquids at the same speed
Explanation:
Because sound needs a dencer object to travel fast and since both liquid and solids are closer than gas sound travles faster in them.
Answer:
A measure of the ability of a material to transfer heat.
Explanation:
Please mark me as brainliest please
Force = mass x acceleration
15 = mass x 4
Mass = 15/4
Mass = 3.75 Kg