If you use a stick to push an object, the muscular force acting on it is a non contact force. True or false? Explain

Gender plays an important role in the six components of health. T F

Which sphere of Earth includes icebergs? atmosphere biosphere cryosphere geosphere C. Cryosphere

The graph shows a marble rolling down a curve from position 1 to position 5. In which position is the potential energy of the marble greatest?

One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated with such storms. Assume that the air pressure inside of a sealed house is 1.02 atm when a hurricane hits.

How many days does the average male live?

What is the median of 5 12 7 15 3 6 1

If you double the velocity of an object, you increase its kinetic energy by a factor of what?

2. Modern aircraft carriers use a steam powered catapult system to launch jets from a very short range. These catapults can provide a constant acceleration to bring jets up to speed in only two seconds.

Which of these best describes a situation where science is used? A. choosing a career after graduation B. brushing teeth after having dinner C. ordering food in a restaurant by looking at a menu card D.

A receiver is in a jet flying alongside another jet that is emitting 2.0 x 106 Hz radio waves. If the jets fly at 268 m/s, what is the change in frequency detected at the receiver?