What is the force on a 15.5 kg ball that is falling freely due to the pull of gravity

Which of the following are found in plant cells buh not animal cells?

What happens to water at 100 degree

Describe a situation in which you can accelerate even though your speed doesnt change

A boy is pushing a 136-kg crate on a 34 degree ramp, how much force must he apply to keep it from sliding downhill and to keep it stationery?

How do contact and non-contact forces affect the design of different modes of transportation?

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.