Knowing the E = mc2 c = 3 x 108 m/s
Plug the mass difference (∆m) into the equation above, and find the energy released in units of Joules (1 J = 1 kg*m2/s2).

Submit your answer as the coefficient (Y) of the below scientific notation expression:

Y x 10-12 Joules per one fusion reaction

Knowing the answer to the previous question, you are given that the luminosity of a red giant is approximately 3.8 x 1029 Joules/sec. How many fusion reactions occur each second in this specific red giant?

Submit your answer as the coefficient (Y) of the below scientific notation expression:

Y x 1041 reactions per second

A23 kg log of wood begins from rest, 300 m up a sluice (a water track used to transport logs, think of it as an inclined plane with negligible friction) inclined at 20° to the horizontal. after it reaches the flat waterway at the bottom it collides elastically with a 100 kg block of wood initially at rest near the base of the incline. (a) how long does it take the 23 kg log to travel down the incline? (b) what is the speed of the 23 kg log at the bottom of the incline? (c) what are the velocities of both blocks of wood after the collision? (d) what is the total kinetic energy before the collision? (e) what is the kinetic energy of the 23 kg log after the collision? (f) what is the kinetic energy of the 100 kg block of wood after the collision? (g) what is the total kinetic energy after the collision? (h) compare the total initial and total final kinetic energies. is this consistent with what you would expect for elastic collisions? explain!

Avalue that describes how heavy an object is and is related to the force of gravity is

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?