Which chemical reaction absorbs energy? A. photosynthesis B. explosion C. current produced by a battery D. combustion of fuels E. activated hand warmers

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory