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They travel at the same speed through air.They travel at the same speed through a vacuum.They are both transverse waves.
Other answers that are accepted: they can be reflected, refracted, diffracted,...

To calculate an object's weight, we have weight = mass * gravitational field strength (W = mg). From this, we see that an object with a greater mass (e.g. a hammer compared with a feather) has a greater w...

First draw a rough diagram of what the question describes. The student must work backwards. To answer, they must know the height of the projectile at the wall. To know the height of the projectile, they n...

Although both are measured in volts, there is a subtle difference in their respective definition. Electromotive Force is the transfer of chemical energy in a battery (multiple single cells) into electrica...

The minus sign shows that the direction of induced current always opposes the change that created it. So when certain metals are cropped through say a copper tube they slow down. Show video of Lenz's ...