A7.9 kg object undergoes an acceleration of 2.7 m/s^2. (a) what is the magnitude of the resultant force acting on it?
(b) if this same force is applied to a 4.7 kg object, what acceleration is produced?

The specific heat of silver is 0.057 calories/gram°c. if 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°c, how many calories of heat energy were absorbed by the sample?

Which changes of state do the labels represent? a: b: c:

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin