Monochromatic means a single colour (single frequency).
The frequency is 4.7 x 10^14 Hertz
Answer:
Power = 56.25 W
Explanation:
Power = workdone/time taken
We are given;
Mass; m = 50 kg
Final velocity; v = 3 m/s
Time; t = 4 s
Workdone = ½mv² = 1/2 × 50 × 3²
W = 25 × 9
W = 225 J
Thus;
Power = 225/4
Power = 56.25 W
Answer: the correct option is B ( on the half of the road that the vehicle is traveling).
Explanation: according to Georgia Code About Pedestrians; The driver must stop and remain stopped to let a pedestrian cross at a crosswalk when the pedestrian is
on the half of the road that the vehicle is traveling.
_Award brainliest if helped!
Mechanical Advantage = Force by Hammer / Force by Nail = 160/40 = 4
