I need an answer quick im in a test If the charge of an object increases, then the force of attraction for another charged object will...

a. increase
b. decrease
c. remain constant

An astronomer at the equator measures the doppler shift of sunlight at sunset. from this, she calculates that earth’s tangential velocity at the equator is 465 m/s. the centripetal acceleration at the equator is 3.41  10 2 m/s 2 . use this data to calculate earth’s radius.

Which of these metals are magnetic?

During the past 150 years in the united states, how did energy consumption compare to population growth