A 790-kg two-stage rocket is traveling at a speed of 6.60×103 m/s away from Earth when...

A 790-kg two-stage rocket is traveling at a speed of 6.60×103 m/s away from Earth when a predesigned explosion separates the rocket into two sections of equal mass that then move with a speed of 2.80×103 m/s relative to each other along the original line of motion

What is the speed of each section (relative to Earth) after the explosion?

Express your answers using three significant figures separated by a comma.

V1,V2=

What are the direction of each section (relative to Earth) after the explosion?

a)both away from Earth

b)both towards the Earth

c)one away from Earth and the other towards the Earth

SubmitRequest Answer

Part C

How much energy was supplied by the explosion? [Hint: What is the change in kinetic energy as a result of the explosion?]

Express your answer to three significant figures and include the appropriate units.

E=?

Expert Solution

genius_generous answered 2 years ago

A 720-kg two-stage rocket is traveling at a speed of 6.90×10^3 m/s away from Earth when...

A 720-kg two-stage rocket is traveling at a speed of 6.90×10^3 m/s away from Earth when a predesigned explosion separates the rocket into two sections of equal mass that then move with a speed of 2.10×10^3 m/s relative to each other along the original line of motion.What is the speed of each section (relative to Earth) after the explosion? R/= v1=5850, v2=7950. How much energy was supplied by the explosion? [Hint: What is the change in kinetic energy as a...

A 785-kg two-stage rocket is traveling at a speed of 6.30

A rocket of rest length 90 meters is traveling at speed 4/5c directly away from earth....

A rocket of rest length 90 meters is traveling at speed 4/5c directly away from earth. The rocket encounters an asteroid of length 80 meters also travelling directly away from the earth but at speed 3/5c. a)According to the captain of the rocket, what is the velocity of the rocket relative to the asteroid? b)At the front of the rocket, the captain of the rocket becomes aware of the asteroid and activates a warning signal. It takes one hour before...

A 0.00410–kg bullet traveling horizontally with a speed of 1.00 ✕ 103 m/s enters a 21.0–kg...

A 0.00410–kg bullet traveling horizontally with a speed of 1.00 ✕ 103 m/s enters a 21.0–kg door, embedding itself 19.0 cm from the side opposite the hinges as in the figure below. The 1.00–m–wide door is free to swing on its hinges. (a) Before it hits the door, does the bullet have angular momentum relative to the door's axis of rotation? Yes or No Explain. (b) Is mechanical energy conserved in this collision? Answer without doing a calculation. Yes or...

An ambulance is traveling south at 50 m/s, away from a car that is traveling north...

An ambulance is traveling south at 50 m/s, away from a car that is traveling north at 30 m/s. The ambulance driver hears his siren at a frequency of 750 Hz. The velocity of sound is 343 m/s . What frequency (in Hz) does the driver of the car hear the siren?

A rocket, launched from the Earth, shuts off its engines when its speed is 4.90 km/s....

A rocket, launched from the Earth, shuts off its engines when its speed is 4.90 km/s. It reaches a maximum altitude H of 2790 km before it falls back to Earth. At what altitude l did the rocket's engines shut off? The mass, radius, and escape speed of the Earth are 5.972 x 1024 kg, 6.371 x 106 m, and 11.18 km/s respectively (4 points)

A 5 kg ball is traveling to the right at a speed of 12 m/s. A 2...

A 5 kg ball is traveling to the right at a speed of 12 m/s. A 2 kg ball is traveling to the left at 30 m/s. They collide in an inelastic collision. What is their final speed? 0 m/s 12 m/s 17 m/s 30 m/s 42 m/s A 2000 kg truck drives the right at a speed of 40 m/s. How many 0.25 kg bullets fired at 350 m/s need to be fired at the front of the truck to stop...

A sticky ball of mass 0.0450 kg, traveling with a speed of 22.0 m/s in a...

A sticky ball of mass 0.0450 kg, traveling with a speed of 22.0 m/s in a direction 30.00 below the +x axis collides with another moving ball, of mass 0.0119 kg, traveling in a direction 44.70 above the +x axis. The two balls stick together and keep moving horizontally. The initial speed of the second ball is: a) 59.1 m/s b) 18.9 m/s c) 75.7 m/s d) 30.2 m/s e) 42.6 m/s

A rollercoaster is traveling at a speed of 12.0 m/s when it enters a downwardportion of...

A rollercoaster is traveling at a speed of 12.0 m/s when it enters a downwardportion of the track shaped like a circle of radius 15.0 m. Neglect friction betweenthe rollercoaster and the track.(a)Draw a free-body diagram for a rider inside the roller coaster when she is atan arbitrary angle ? on the circular portion of the track. Approximate the rider as ablock sitting on a surface with sufficient friction to keep her from sliding.(b)At what angle?does the normal force on...

A rocket moves with a speed of 45 m / s. The rocket suddenly breaks into...

A rocket moves with a speed of 45 m / s. The rocket suddenly breaks into two parts of equal mass that fly at speeds v1 and v2. Obtain the magnitude of the velocity of each part in which the rocket broke.

Question