Which is an example of velocity? a. a pickup driving 30 km in 20 minutes b. a car slowing down on a sharp curve c. an airplane traveling 450 km/h d. an 18 wheeler driving west at 50 km/h plz

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper