In which of the following situation is work being done?

A car is pushed but does not budge.

A weightlifter holds a barbell over his head.

A wagon is pulled at an angle of 30 degrees to the horizontal.

A swimmer treads water for 15 minutes.

Which waves cause matter to move back and forth in the same direction? A. longitudinal waves B. transverse waves C. magnetic waves

As a volunteer, you have to comply with the patient privacy act

The net torce on an object moving with constant speed in circular motion is in which direction? a) downward b) opposite to the objects motion c) towards the center of the circle d) in the direction of the objects velocity

How is social status directly related to health care? a. Wealthy Americans receive adequate medical care. b. Poor Americans receive adequate medical care. c. No one receives adequate medical care. d. none of the above

Technician A says if a fuse burns out when a switch is turned on, a short circuit is present before the switch. Technician B says if a fuse burns out when a switch is turned on, a short circuit is present after the switch. Who is correct?

What are starburst galaxies and what do they have to do with galaxy evolution?

Six light bulbs are connected in series with a 9.0 volt battery. What is the voltage across each bulb?

Can an object travel at the speed of light? Why or why not?

It's a hot and sunny day and you decide to go for a drive. When you open your car door, it's a lot hotter than outside. Why is that

Which compound is composed of oppositely charged ions