25. A spaceship is initially moving in outer space turns off its engine such that the spaceship does not experience any net force from any external source. Which of the following statement best describes the motion of the spaceship? A. It moves in a straight line at a constant speed.- B. It moves in a straight line with a decreasing speed. C. It moves in a curved line with a decreasing speed. D. It stops.

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A: The speed of the plane (v) = 200 m/s The headwind speed (v') = 70 m/s

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A: Here, initial speed V0 =0     Final speed V = 100 km/h =  27.78 m/s     Acceleration a = 7.9 m/s²

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Q: How would I answer part D?

A: Write the expression for the centripetal force.

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Q: When traveling at speeds close to the speed of light, an object's length will noticeably O Contract…

A: The correct option is (a).  i.e. Contract in the same direction of the object's motion.

Q: Help

A:

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A: Einstein's special theory of relativity says that, the length of an object moving with a…

Q: 1. Kyle is in his car traveling at a constant speed of 150 km/h down the road. He passes a police…

A:

Q: what is the momentum of 100 kg traveling 8m/s?

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A: Given data: Horizontal velocity of the stone, vh=25 m/s Height h = 60 m When the stone is projected…

Q: What is the momentum of a 55kg god moving at 7m/s ?

A: Answer             385kg.ms

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A: 2. Given: Particle thrown at an angle of 30°. The initial velocity is 36kmph1000m3600s=10ms.

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A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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A: Given  m=55kg VA=22 m/s height of little hill=4m

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A: Rest: An object is said to be at rest if it does not change its position w.r.t. its surroundings…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!