Question

A flight moving with an average speed of 800 km per hr and took 4 hr to complete a trip . on it return trip, it took 5 hr due to bad weather. find the change in speed of the flight.

please ans me fast because my exam is tomorrow.

Answer 1

distance=v×t
=800×4
=3200km
now in returning same distance will he covered so
distance=v×t
3200=v×5
v=3200÷5=640km
now difference between speed is
800-640=160

Answer 2

Answer:

160 is the answer of this question