A 0.415-kg mass suspended from a spring undergoes simpleharmonic oscillations with a period of 1.4 s. How much mass, inkilograms, must be added to the object to change the period to2.2 s?

If the mass of material is 44 grams and the volume of the material is 8cm^3 what would the density of the material be?

13. A car accelerates from 6.0 m/s to 18 m/s at a rate of 3.0 m/s^2 How far does it travel while accelerating?

Ation between alpha & beta?

Which is a gas at room temperature? A) aluminum B) nitrogen C) potassium D) sodium

Trumpeter A holds a B-flat note on the trumpet for a long time. Person C is running towards the trumpeter at a constant velocity. Person B is running away from the trumpeter at the same rate. Person D is standing still the whole time.

An element's atomic number is 34. How many protons would an atom of this element have?

Why would you weigh more on saturn than on earth

The elements are mostly likely to form more than one type of ion are the

A sample contains 24 g of radioactive isotope. how much radioactive isotope remains in the sample after 2 half-lives? A. 6 g B. 1.5 g C. 12 g D 3 g

2. An elephant puts a force of 30,000 N on its four feet, which have a total area of 0.75 m2. What is the pressure it puts on the ground?