Describe how a mold fossil is related to a cast fossil.

What could be put into the center section of this Venn diagram?

A car changes speed from 25 m/s to 10 m/s in 240 seconds. Describe its acceleration.

How many electrons pass through a standard 60 watt light bulb in one second?

A 50 kg man stands on the surface of a frozen pond. In order to get to the side of the pond he throws his 1 kg shoes at a speed of 10 m/s. After that what's the speed of the man? (neglect all frictions)

A pulley stems has an efficiency of 65.1%. If you perform 350 J of work, how much useful work does the pulley perform? A. 350 J B. 301 J C. 228 J D. 122 J

Explain why it's important that the alveoli is only 1 cell thick

A new cannon was being developed in a science lab. The instructor wanted to do some testing of the cannon's ability to launch objects with different masses. The instructor used tennis balls and filled them with lead, rocks, and styrofoam.

Which law is being demonstrated when a swimmer moves forward through the water?

A camcorder has a power rating of 16 watts. If the output voltage from its battery is 7 volts, what current does it use?

Electromagnetic waves with low frequencies have been used for long-distance underwater communication. These waves most likely belong to which of the following parts of the electromagnetic spectrum? A. gamma rays B. infrared waves C. radio waves D.