Author Question: An aircraft weighing 1,500 N is accelerated at 15 m/s2, the force acting on the aircraft is 2,295.9 ... (Read 61 times)

Mr3Hunna · **on:** Jul 29, 2018

An aircraft weighing 1,500 N is accelerated at 15 m/s2, the force acting on the aircraft is 2,295.9 N.
a. True
b. False
Indicate whether the statement is true or false

Question 2

As an artillery shell travels from the gun to the target, the projectile's vertical speed changes, but its horizontal speed stays constant.
a. True
b. False
Indicate whether the statement is true or false

Eazy416 · **Reply #1 on:** Jul 29, 2018

Answer to Question 1

True
RATIONALE: The mass of the aircraft is 1,500 N/9.8 m/s2 = 153.061 kg; F = ma = 153.061 kg 15 m/s2 = 2295.9 N

Answer to Question 2

TRUE