In terms of impulse, why is the ride much more comfortable when an airplane is flying at constant speed
versus when it is taking off or landing?

Modify the equation fδt=δ (mv) to find the force of friction.

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

Why do electron microscopes have higher resolving power than light microscopes?