Answer:
7?
Explanation:
Waves – disturbances caused by the movement of energy from a source through some medium. Floating Gull- Figure 10.1 – water is not moving – only the energy is moving through the water. Transfer of energy from water particle to water particle – circular path, an orbit Orbital waves – a wave in which particles of the medium (water) move in closed circles as the wave passes. ¾ These types of waves occur between fluids of different densities as well as between air/water. These waves are Progressive Waves – move forward through their medium. Parts of the wave: Wave Crest: highest Part of the wave Wave Trough: valley between wave crests Wave Period: time it takes for a wave to move a distance of one wave length. Wave Length: horizontal distance between two successive crests (or troughs) Wave Frequency: the number of waves that pass a fixed point per second Motion of the wave is negligible after ½ wavelength in depth Figure 10.3 indicates that water molecules in the crest of a passing wave move in the same direction as the wave, but molecules in the trough move in the opposite direction.
Its mainly about how much gunpowder is used in the shell. Thats all I got. XD
Answer:
if it is not moving it is zero, like all things that aren't in motion
Explanation:
Answer:
a) , b) , c) , d)
Explanation:
a) The friction force is:
The work done by friction is:
b) The work done by gravity is:
c) As normal force has a direction perpendicular to motion direction, the work done is equal to zero:
d) The net work done on the package is:
The average velocity of the beetle is equal to the ratio between the displacement and the time:
The displacement of the beetle is
The time is t=12.8 s
Therefore, the average velocity is
in the positive x-direction.