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Chapter 1: Q10Q (page 39)

A spaceship far from all other objects uses its thrusters to attain a speed of 1×104m/s. The crew then shuts off the power. According to Newton's first law, what will happen to the motion of the spaceship from then on?

Short Answer

Expert verified

The spaceship will move with constant speed, until an unbalanced force starts acting upon it.

Step by step solution

01

Given data

Here given is a space ship moving at a speed of 1×104ms-1.

02

About Newton’s first law

The first law of Newton's asserts that if a body is at rest or travelling in a straight path at a constant speed, it will remain at rest or continue to move in a straight line at a constant speed until acted upon by a force.

03

Analyzing the situation

According to Newton’s first law, the spaceship will keep moving with the same speed of 1×104ms-1until and unless a force acts upon it and changes its direction or speed.

Therefore, the spaceship will move as it is.

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Most popular questions from this chapter

(a) Which of the following do you see moving with constant velocity? (1) A ship sailing northeast at a speed of 5 meters per second (2) The Moon orbiting the Earth (3) A tennis ball traveling across the court after having been hit by a tennis racket (4) A can of soda sitting on a table (5) A person riding on a Ferris wheel that is turning at a constant rate. (b) In which of the following situations is there observational evidence for significant interaction between two objects? How can you tell? (1) A ball bounces off a wall with no change in speed. (2) A baseball that was hit by a batter flies toward the outfield. (3) A communications satellite orbits the Earth. (4) A space probe travels at constant speed toward a distant star. (5) A charged particle leaves a curving track in a particle detector.

A proton is located at <3×10-10,-3×10-10,8×10-10>m.

(a)What is r→, the vector from the origin to the location of the proton?

(b)What is |r→|?

(c)What is r^, the unit vector in the direction of r→?

If F1⇀=<300,0,-200>and F2⇀=150,-300,0 , calculate the following

If and , calculate the following:(a) F1⇀+F2⇀(b)|F1⇀+F2⇀|(c)|F1⇀+F2⇀|(d)|F1⇀+F2⇀|=|F1⇀|+|F2⇀|?(e)F⇀1-F2⇀(f)|F1⇀-F2⇀|(g)|F1⇀|-|F2⇀|(h)Is|F1⇀-F2⇀|=|F1⇀|-|F2⇀|?

A space probe of mass 400 kg drifts past location 0,3×104,-6×104m with momentum6×103,0,-3.6×103kg.m/s . Assuming the momentum of the probe does not change, what will be its position 2 minutes later?

Question: A car moves along a straight road. It moves at a speed of 50 km/h for 4 minutes, then during 4 minutes it gradually speeds up to 100 km/h, continues at this speed for 4 minutes, then during 4 minutes gradually slows to a stop. Make a sketch like the figures in Section 1.2, marking dots for the position along the road every minute.
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