When lunging or squatting, your knees should not: A. Be out of alignment with your ankles B. Come forward past your toes C. Bend your knees to 45 degrees D. All of the above

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

Properties seen when one one substance changes to another are known as properties