Organelles are the tiny structures in cells that carry out life processes. True or False

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

In science and physics what is the standard unit of measure for speed?