Question-

1. A 777 aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is 27.0 m/s. If the braking force is 430,000 N, what is the speed of the airplane 10.0 s later?

a) 12.7 m/s

b) 14.0 m/s

c) 18.0 m/s

d) 2.420.0 m/s

2. A 777 aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is 27.0 m/s. If the braking force is 480,000 N, how much further does it travel along the runway before it comes to a stop?

a) 40.5 m

b) 142 m

c) 181 m

d) 228 m