Answer:
What would happen to the speed of a sound wave if it moved from ocean water to air?
It would slow down.
What would happen to the speed of a sound wave if it moved from a cooler room to a warmer one?
It would speed up
Explanation:
Just did it on edg
What type of change occurs when water changes from solid to a liquid a phase change a physical change and irreversible change both A and the
Force = mass * acceleration
mass = Force/acceleration
= 36/2
mass = 18 kg
Weight of the mass is the tension in the string if the turntable is held fixed, with the mass hanging from the pulley
Weight is a force that acts at all times on all objects near Earth. The Earth pulls on all objects with a force of gravity downward toward the center of the Earth. Weight (symbolized w ) is a quantity representing the force exerted on a particle or object by an acceleration field, particularly the gravitational field of the Earth at the surface.
The tension force is defined as the force that is transmitted through a rope, string or wire when pulled by forces acting from opposite sides. The tension force is directed over the length of the wire and pulls energy equally on the bodies at the ends.
The direction of tension is the pull which is given the name tension. Thus, the tension will point away from the mass in the direction of the string/rope. In case of the hanging mass, the string pulls it upwards, so the string/rope exerts an upper force on the mass and the tension will be in the upper side.
Tension will act opposite the the weight of the mass attached in order to maintain equilibrium .
To learn more about weight here
brainly.com/question/2293244
#SPJ4
