A baseball player throws a ball giving it a change in kg. m
momentum of 6.5
over 90 ms.
S
What is the magnitude of the net force on the ball?
Round answer to two significant digits.
N

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

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?