# CUC

posted by .

1. A rocket was found to be 150m when measured on earth.It then leaves and move at a constant velocity of 2 x 10m/s. What is its new length?
2. Two spaceships A and B are moving in opposite directions, A with a speed of 0.9c while B with a speed of 6c. Find the relative velocity of B with respect to A.
3.Show that the force acting on a particle as observed by two observers in the inertial frames if reference is the same is the same. Given v<<c

## Similar Questions

1. ### phys

The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and, while both are passing overhead, an Earth observer measures the two spaceships to be the same length. If the …
2. ### physics

can someone help with the question below, it really give me a hard time "thought experiments" were to be conducted on moving trains or rocket ships. Answer following question: 1. What would the results of the free fall experimen be …
3. ### Physics

A rocket cruising past Earth at 0.79c shoots two bullets at 0.92c relative to the rocket with one of the bullets fired along the direction of the rocket's motion and the other fired opposite the rocket's motion. (a) What velocity does …
4. ### Physics

A simple pendulum suspended in a rocket ship has a period To. Assume that the rocket ship is near the earth in a uniform gravitational field. Determine for each of the following statements whether it is correct or incorrect. If the …
5. ### physics

A 1000kg rocket is moving forward at 10m/s in space. A 10,000N force is applied to the rocket for one second from behind. How fast is the rocket now traveling?
6. ### earth

Two rockets are orbiting the earth, traveling in perfect circles with equal radii. The velocity of rocket A is twice that of rocket B. What can be said about their respective centripetal accelerations?
7. ### Physics

1.(a) Explain the term time dilation. (b) Show that an interval of time observed in a moving frame of reference will be less than the same interval of the observed in a stationary frame of reference. 2. A rocket was found to be 150m …
8. ### Physics

1.(a) Explain the term time dilation. (b) Show that an interval of time observed in a moving frame of reference will be less than the same interval of the observed in a stationary frame of reference. 2. A rocket was found to be 150m …
9. ### dynamics

(a) A rocket is travelling out of the earthâ€™s atmosphere. During flight it burns fuel at a rate of 80kg/s producing a constant thrust of 500kN which drives the rocket in a vertical trajectory. It has a mass of 3500Kg when it reaches …
10. ### Physics

A body P of mass 5kg moving with a velocity of 30M/s collids with another body q moving in opposite direction with a velocity of 20m/s.If the bodies now move in the direction of P at velocity 10m/s.calculate the mass of q

More Similar Questions