An airplane needs to reach a forward velocity of 203.0km/h to take off. On a 2000-m runway, what is the minimum uniform acceleration necessary for the plane to take flight if it starts from rest?
A) 1.0 m/s2 B) 0.87 m/s2 C) 0.95 m/s2 D) 0.79 m/s2
D
You might also like to view...
Which of the following is an example of a nonconservative force?
a. gravity c. friction b. the force from a Hooke's law spring d. Both choices A and B are valid.
The _______________ of the moon is the period of time for the moon to complete a cycle of the lunar phases and is approximately 29.5 days long
a. sidereal period b. saros cycle c. synodic period d. eclipse season e. umbral period
A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 moles of gas
It is fitted at the top with a piston, which can move freely. The mass of the piston is 14.0 kg and the initial height of the piston above the bottom of the cylinder is 25 cm. What is the temperature of the gas? A) 290 K B) 413 K C) 3620 K D) 405 K E) 500 K
The energy from an AGN is produced by
a. the collision of two spiral galaxies. b. the collision of two elliptical galaxies. c. the collision of two radio jets. d. matter flowing into a supermassive black hole. e. supernovae.