Three spaceships A, B, and C are in motion, as shown in the figure. The commander on ship B observes ship C approaching with a relative velocity of 0.78c

The commander also observes ship A, advancing in the rear, with a relative velocity of 0.31c. What is the velocity of ship C, relative to an observer on ship A?

A) 0.88c
B) 0.38c
C) 1.4c
D) 0.62c
E) 1.1c


Answer: A

Physics & Space Science

You might also like to view...

Which of the following is not a fundamental quantity?

a. Weight b. Length c. Time d. Mass

Physics & Space Science

A cm rectangular piece of copper is at a temperature of 10.0The coefficient of linear expansion of copper is If the temperature of the copper rectangle increases its temperature by 2.00 then what is the change in the area of the rectangular piece of copper?

A.
B.
C.
D.
E.

Physics & Space Science

A 2 000-kg sailboat experiences an eastward force of 4 500 N by the ocean tide and a wind force against its sails with magnitude of 1 500 N directed toward the northwest (45° N of W). What is the direction of the resultant acceleration?

a. 27° N of W b. 58° N of W c. 27° N of E d. 17° N of W e. 17° N of E

Physics & Space Science

Monochromatic light from a He-Ne laser (? = 632.8 nm) is incident on a diffraction grating containing 5000 lines/cm. Determine the angle of the first-order maximum

a. 18.4° b. 39.2° c. 14.6° d. 27.7° e. 13.9°

Physics & Space Science