You are driving on the freeway when a police officer records a shift of −7 nm when he or she measures your speed with a radar gun that operates at a wavelength of 0.1 m. How fast were you going?

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

What will a positive and a negative charge do if they are separated from each other?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above