A 5.00 kg mass is moving at 4.00 m/s 30.0 degrees SOUTH of WEST and a 2.00 kg mass is moving at 3.00 m/s 60.0 degrees SOUTH of EAST . The velocity of the center of mass is (a), and the velocity NORTH of the center of mass is (b)

A. a = +2.17 m/s, b = -2.05 m/s.
B. a = -2.17 m/s, b = +2.05 m/s.
C. a = +2.05 m/s, b = -2.17 m/s.
D. a = -2.05 m/s, b = +2.17 m/s.
E. a = -2.05 m/s, b = -2.17 m/s.


E. a = -2.05 m/s, b = -2.17 m/s.

Physics & Space Science

You might also like to view...

The emission lines from O III are called ____ because they are not visible laboratories on Earth due to the much greater pressure of the gas on Earth

a. unique lines b. unresolved lines c. forbidden lines d. unseen lines e. "fathom" lines

Physics & Space Science

The acceleration due to gravity on the surface of Earth is g. Calling R the radius of Earth, at what distance from Earth's center would the acceleration due to gravity drop to g/16?

A) 16 R B) R/16 C) R/4 D) 4 R E) 2 R

Physics & Space Science

How much work is done by 3.00 mol of ideal gas when it triples its volume at a constant temperature of 127°C? The ideal gas constant is R = 8.314 J/mol ? K

A) 12.7 kJ B) 9.97 kJ C) 11.0 kJ D) 15.3 kJ E) 1.20 kJ

Physics & Space Science

Resonance in a series LRC circuit occurs when

A) XL is greater than XC. B) XC is greater than XL. C) (XL - XC)2 is greater than R2. D) (XL - XC)2 is equal to R2. E) XC equals XL.

Physics & Space Science