Astudent is conducting an experiment to determine how far a ball will roll down a ramp based on the angle of incline. what are the independent and dependent variables for this experiment?

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 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?