Question

physical science : Find the speed of an object that covers 400 km in 5 hr.
a. 40 km/hr
b. 80 km/hr
c. 2000 km/hr
d. 800 km/hr

Answer 1

speed=distance / time.

Data:
distance=400 Km
time=5 hours.

Speed=400 Km / 5 hours=80 km/hr.


Answer: b. 80 Km/hr.

Answer 2

Answer:

B. 80 km/hr

Step-by-step explanation: