An experiment was conducted to determine the effect of alcohol on driving. Subjects consumed varying amounts of alcohol. Then they drove around barrels. Judges rated their performances. The independent variable in the experiment was the

Two carts connected by a 0.05 m spring hit a wall, compressing the spring to 0.02 m. The spring constant k is N 100 m What is the elastic potential energy stored from the spring's compression? Choose 1 answer: -3.0J -0.045 J 0.090 J 0.045 J

Find the magnitude, in joules, of a single quantum of energy in the radio signal broadcast at 1160 kHz on the AM dial. Show your work.

What is a difference between in the field and in the laboratory

Which two body systems work together closely to produce movement in human limbs

A swimmer does 3,560 J of work in 55 s. What is the swimmer's power output? Round your answer to two significant figures. The power output of the swimmer is

How long (in ns) does it take light to travel 1.0 m in vacuum?

How are electric circuits and systems for carrying water in building similar

A girl scout is pulling her 30 kg wagon of cookies with a force of 60 N to right. Friction pulls back with a force of 15 N left. What is net force on the wagon

10. A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet penetrates a foe and comes to a stop at a distance of 0.0621m. Determine the acceleration of the bullet while moving into the clay.

What are the units for mass and volume