A protocol for desalting oligonucleotide solutions specifies centrifugation of a 1,250 uL aliquot of solution at 3300 X g for 30 min. The rotor in your centrifuge has a maximum radius of 4.8 cm. What rpm should you use to centrifuge the solutions? Answer to the nearest whole number.

Aspecial electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. the sensor measures the magnitude of the normal force that the seat exerts on a rider. the loop-the-loop ride is in the vertical plane and its radius is 23 m. sitting on the seat before the ride starts, a rider is level and stationary, and the electronic sensor reads 740 n. at the top of the loop, the rider is upside down and moving, and the sensor reads 370 n. what is the speed of the rider at the top of the loop?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.