Q4 you A bird begins to accelerate at a constant 0.3 m/s for 3 s. Its change in velocity is
A. 0.9 m/s B. 1.5 m/s C. 1.95 m/s D.2.4 m/s

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

In a system, when potential energy decreases, then entropy also decreases. true false

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?