A ball rolls around a circular track with an angular velocity of 4π rad/s. what is the period of the motion

What is the acceleration of 0.3kg ball hit with force of 20N?

In what states does water appear on earth and on other planets?

Which particle of the atom has a negative charge? a. proton b. neutron c. nucleus d. electron

Which is not a way to minimize your exposure to radiation? A) wearing a lead apron B) keeping a good distance C) standing behind a thick concrete wall D) wearing lead-lined gloves E) staying a longer time

If the mass of an object stays the same and you apply more force what will happen to the objects motion

3. As the duration of a maximal effort increases from 10 seconds or less to between 10 and 180 seconds, what factor becomes limiting in terms of energy production?

Near the top of the Citigroup Bank building in New York City, there is a 4.00 105 kg mass on springs having adjustable force constants.

Which of the following is true about Viscosity of liquids: A) Liquids with high viscosity do not flow as well as liquids with low viscosity. B) Liquids with high viscosity flow better than liquids with low viscosity.

An object is dropped from a bridge. A second object is thrown downwards 1.0 s later. They both reach the water 20 m below at the same instant. What was the initial speed of the second object

The Congo River is in Africa. True or False