26. Which equation is used to calculate the amount of electrical energy used? E = t-p
E = tp
E = Pxt
E = P +t

The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?