Which elemen is balanced in this equation?

a. 2h2 o2 2h2o

b. h2 o2 2h20

Almonds cost $3.49 per pound. A bag of almonds costs $6.95. to the nearest whole pound, about how many pounds of almonds are in the bag?

The coil of a generator has a radius of 0.13 m. When this coil is unwound, the wire from which it is made has a length of 9.50 m. The magnetic field of the generator is 0.40 T, and the coil rotates at an angular speed of 29 rad/s.

A table exerts a 4.0 Newton force on a book which lies at rest on its top. The force exerted by the book on the table is 0.0 N 2.0 N 4.0 N 8.0 N

Find the potential difference required to pass a current of 0.2A in a wire of resistance 20 ohm

Rivers 1) change the landscape through erosion 2) are large bodies of contained water 3) usually begin low-lying valleys 4) are usually found near the poles Which is the correct anwsee

A linearly-polarized electromagnetic (EM) wave has an electric field with amplitude 1000 V/m. You hold a a linear polarizer in front of it and rotate the polarizer so that all of the EM wave is blocked. You then rotate the polarizer 30 degree.

Let y'=4 x. find all values of r such that y = rx^{2} satisfies the differential equation. if there is more than one correct answer, enter your answers as a comma separated list.

What are the starting materials for nuclear fission

Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball?

What is the name of the force that opposes or slows down the motion of objects