Prove dimensionally

V=at

Which copper wire would have the lowest resistance? A. A wire that is 2 m long and has a cross-sectional area of 1.07 cm2 B. A wire that is 1 m long and has a cross-sectional area of 1.07 cm2 C.

Identify each of the following statements is characteristic of series circuits parallel circuits or both: a. Current = Voltage : Resistance b. total resistance increases as more light bulbs are added c.

Suppose your hair grows at the rate 1/31 in. per day. find the rate at which it grows in nanometers per second. because the distance between atoms in a molecule is on the order of 0.

In the interaction between a hammer and the nail it hits, is a force exerted on the nail? On the hammer? How many forces occur in this interaction?

A mango fruit drops from the top of it's tree which is 40 m. How long does it takes to reach the ground

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method