Mechanical waves propagate or move through a medium because

We can model a small merry-go-round as a uniform circular disk with mass 88 kg and diameter 1.8 m. How many 22 kg children need to ride the merry-go-round, standing right at the outer edge, to double the moment of inertia of the system?

If a projectile is fired with an initial velocity of v0 meters per second at an angle α above the horizontal and air resistance is assumed to be negligible, then its position after t seconds is given by the parametric equationsx = (v0 cos α) t y =

2. How many grams of water can be heated from 20.0°C to 75°C using 12500.0 Joules?

Why is the reflection of a wave at a free boundary different from reflection at a fixed boundary?

A ball is thrown downward with an initial speed of 7m/s. the balls velocity after 3 seconds is m/s

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?