What word means to separate people based on race?

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

Abody covers a semicircle of radius 7cm in 5s .find its linear speed

1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 ω resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 ω. what does an ideal voltmeter read when placed across the resistor?