395 - 450 = -55
395
39.5
55 mph = 88.51392 kph
The resultant velocity of the plane can be calculated by subtracting the wind velocity from the plane's initial velocity. In this case, 395 km/h (east) - 55 km/h (west) = 340 km/h (east). Therefore, the resultant velocity of the plane is 340 km/h east.
55 km/h = 34.2 mph
98.75
197.5
24.6875
Acceleration is the change in velocity divided by time. You need to know how long this takes to solve the problem to determine acceleration
79
0.2