A spaceship, traveling at 0.560c towards a stationary space platform, launches a secondary towards the station with a speed of 0.100c relative to the spaceship
What is the speed of the secondary rocket relative to the space platform?
A) 0.460c
B) 0.575c
C) 0.600c
D) 0.625c
E) 0.660c
D
You might also like to view...
Refer to the sketch above of an H-R diagram for a star cluster. Consider the star to which the arrow points. How is it currently generating energy?
A) by gravitational contraction B) by hydrogen shell burning around an inert helium core C) by core hydrogen fusion D) by core helium fusion combined with hydrogen shell burning E) by both hydrogen and helium shell burning around an inert carbon core
A refrigerator removes heat from the freezing compartment at the rate of 20 kJ and ejects 24 kJ into a room per cycle. How much work is required in each cycle?
A) 4 kJ B) 20 kJ C) 22 kJ D) 24 kJ E) 44 kJ
If several balls are thrown straight up with different initial speeds, the quantity that will have the same value along their paths is their
A) initial momentum. B) maximum height. C) time of travel. D) acceleration. E) none of the above
Force F is applied at D along line DB and couple M is perpendicular to plane ABC. Assume magnitudes F 5 20 lb and couple M 5 50 in-lb. The moment MA (in-lb) due to both F and M is:
(A) 37i – 60j 1 22k
(B) 237i – 60j – 22k
(C) 237i – 60j – 22k
(D) 260i – 37j – 22k
