A stunt pilot weighing 0.70 kN performs a vertical circular dive of radius 0.80 km. At the bottom of the dive, the pilot has a speed of 0.20 km/s which at that instant is not changing. What force does the plane exert on the pilot?
a. 3.6 kN up
b. 4.3 kN up
c. 2.9 kN down
d. 2.9 kN up
e. 5.8 kN down
B
You might also like to view...
Most meteor showers occur ________, as we again intersect the comet's orbit
Fill in the blank(s) with correct word
The images formed by concave lenses
A) are always virtual. B) could be real or virtual, but always real when the object is placed at the focal point. C) could be real or virtual; it depends on whether the object distance is smaller or greater than the focal length. D) are always real.
Based on observations of the universal expansion, the age of the universe is about ________
A) 14,000 years B) 14 billion years C) 14 million years D) 14 trillion years
To steadily (constantly) increase the velocity of something requires a
A) steadily increasing force. B) constant net force. C) decreasing force. D) none of the above