The wavelength of sound wave is 30 m. Frequency is 7 Hz. What is the wave speed

Explain the difference interactions that can take place when the beam of light hits the glass tank and then enters the water. Why does the beam of light change direction when it enters the water?

Which material would melt ice more quickly? A. Styrofoam B. metal

The world speed record on water was set on October 8, 1978 by Ken Warby of Blowering Dam, Australia. If Ken drove his motorboat a distance of 1000 m in 7.045 s, how fast was his boat moving in mi/h.

Its false sorry love try again

Thermal energy flows spontaneously from hotter objects to colder ones. a. True b. False

Relating to Newton's Third Law, action and reaction, what is the reaction when a rocket expels gas, smoke and flames from the nozzle end of the rocket engine?

Three light bulbs are connected to a battery in a series circuit. How will the bulbs behave if the circuit is closed?

Luke investigated the heating of water

In the nucleus of all atoms are sub-atomic particles called protons and neutrons. all protons have a positive charge.

In a polar covalent bond