At what temperature did the substance in the test tube into a solid?

A wave has a wavelength of 11 mm and a frequency of 6 hertz. What is its speed?

Hi, how do I find the horizontal displacement of an object in projectile motion? if possible could you include a diagram.

What if the earth was flat

A speedboat leaves the dock and travels 120m in 14 seconds. What is the average velocity of the speedboat in meters per second?

Which energy does the water flow into the river?

Is a light bulb considered construction

Witch statement about polymers is true

Which safety measures should you follow during a thunderstorm? Check all that apply. (A) Avoid touching anything that conducts electricity. (B) Avoid touching a person who has been struck by lightning. (C) Go outside.

1. An automobile with a mass of 1000 kg accelerates when the traffic light turns green. If the net force on the car is 4000 N, what is the car's acceleration?

Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sad ball strikes a sad ball and the happy ball strikes a happy ball.