Astronaut Hans leaves Earth in a spaceship traveling at a speed of 0.280c relative to the observer Brian at rest on Earth. Hans is holding a pencil at an angle of 30° with the direction of travel, as seen by Hans
What angle does the pencil make with the direction of travel, as seen by Brian on Earth? A) 29°
B) 30°
C) 31°
D) 33°
E) 90°
C
You might also like to view...
A particle has a total energy that is 5 times its rest energy. What is the speed of the particle?
A) 0.980c B) 0.985c C) 0.950c D) 0.990c E) 0.998c
A 2-kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, and they stick together. After the collision, the velocity of the combined bodies is
a. 0. b. 0.8 m/s towards the right. c. 0.8 m/s towards the left. d. 2.4 m/s towards the right. e. 2.4 m/s towards the left.
The Celsius degree is
a. the same size as the Fahrenheit degree. b. larger than the kelvin. c. the same size as the kelvin. d. smaller than the Fahrenheit degree.
State the relationship between the volume and pressure of a gas when the temperature is held constant (Boyle's law)