Two balls are placed near one another and hang down, as shown below. Which conclusion is supported by this evidence?

A prototype shows if a product meets the required needs. True False

Cindy pours cool milk into a hot bowl of oatmeal and then stirs it with a room-temperature spoon. Which substance will have heat flow from it to the other substances?

When you increase the tension on a piece on a piece of wire the speed of waves on it increases but the wavelength stays constant what happens to the frequency of the waves as the tension on the wire is increased

What is an equal and opposite force to gravity

A sprinter set a high school record in track and field, running 200.0 m in 20.6 s. what is the average speed of the sprinter in kilometers per hour?

What is the upward force of the floor on the toes of one foot?

What is the difference between nuclear energy and light energy?

Two stars, x and y, have the same temperature. star x is ten times more luminous than star y. which star has the larger radius

If the weight of an object of mass "m" is "mg," then the weight of an object of mass "2m" is A. mg/2 B. mg C. 2mg D. 4mg

In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.830). It has a temperature of 64.1 oC.