What is the source of all mechanical waves?

Question 2 options:

The sun

Vibration

Musical instruments

The ocean

Why do scientific use Si a standard system of measurement?

Explain why a moving object can be in equilibrium

A hockey player hits a puck along the ice, giving it an initial speed of 5.6 meters per second. If there is no friction between the puck and the ice, what will the puck's speed be after 2.7 seconds?

An amoeba has 1.00 x10^6 protons and a net charge of 0.300 pc. how many fewer electrons are there than protons

A car moving with a speed of 22 m/s. the driver then brakes and the car comes to a halt after 6.5 s. What is the distance

What happens to the resistance of a filament if it is replaced by a shorter wire?

One group of scientists feel that global warming affects the frequency of hurricanes. Another group of scientists believe that global warming does not affect the frequency of hurricanes, but it makes the average hurricane stronger.

In an experiment, all participants receive a treatment but those in the control group recieves a false treatments

When the volume increased, what happened to the density?

8. Chemical weathering occurs more rapidly in what kind of climates? A. Desertlike B. Cold with high snowfall amounts C. Cool and dry D. Warm with abundant rainfall