Which type of microscopy enhances and amplifies slight changes in the phase of transmitted light? which type of microscopy enhances and amplifies slight changes in the phase of transmitted light? fluorescence microscopy differential interference contrast microscopy digital video microscopy both differential interference contrast microscopy and phase-contrast microscopy phase-contrast microscopy

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

How is zig zagging a form of acceleration?