Author Question: A 777 aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is 27.0 ... (Read 93 times)

Jramos095 · **on:** Jul 29, 2018

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 435,000 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) 251 m
E) 456 m

Question 2

A long-distance swimmer is able to swim through still water at 4.0 km/h. She wishes to try to swim from Port Angeles, Washington, directly north to Victoria, British Columbia, a distance of 50 km.

An ocean current flows through the Strait of Juan de Fuca from west to east at 3.0 km/h. In what direction (relative to north) should she swim to make the crossing along a straight line between the two cities? A) 37 west of north
B) 37 east of north
C) 41 west of north
D) 41 east of north
E) 49 west of north