An airplane travels from east to west with a velocity 450 mi/hr relative to the Earth. At the same time the wind is blowing from west to east at 50 mi/hr. What is the speed of the plane with respect to the air?

A. 500 mi/hr
B. More than 400 mi/hr but less than 450 mi/hr
C. 400 mi/hr
D. 450 mi/hr
E. More than 450 mi/hr but less than 500 mi/hr


Answer: A

Physics & Space Science

You might also like to view...

In a double-slit interference pattern, the third maximum from the central maximum corresponds to which value of m?

A. 1 B. 2 C. 3 D. 4 E. 5

Physics & Space Science

Sonic Booms: As a supersonic airplane increases its speed more and more, the half-angle of the conical shock wave

A. increases. B. decreases. C. is not affected.

Physics & Space Science

Why do scientists think that our solar system must have formed sometime after nearby supernovae explosions?

A) existence of heavy elements B) solar temperature too low C) our Sun is a G-type star D) They don't—scientists believe our Sun is among the first generation of stars.

Physics & Space Science

Two satellites with equal rest masses of 100 kg are traveling toward each other in deep space. They have identical speeds of 0.600c

The satellites collide and somehow manage to stick together. What is the rest mass of the combined object after the collision? A) 200 kg B) 225 kg C) 250 kg D) 275 kg E) 300 kg

Physics & Space Science