Answer:
Earth, Solar system, Milky way galaxy,Local group, super cluster, Universe.
Explanation:
We usually write our address starting from house no then street no then the town or city and after that comes the province and country. So we write address starting from smaller to larger. Let's do it in this case.First comes the planet earth which lies in the solar system. So our solar system is a smaller part of the milky way galaxy. Milky way galaxy is just a one galaxy in the cluster of galaxies which is called the local group.Local group is further a part of a super cluster. Then comes our universe which consists of 10 million super clusters.
Answer:
i) Angle of Reflection = Angle of Incident
ii) Total Angle = 2x Angle of reflection/incidence
iii) The incident ray, reflected ray and the point of incidence lie in the same plane
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Answer:
D. accelerated
Explanation:
According to Newton's first law of motion, an object always remains in its state of rest or in uniform motion until an external unbalanced force is acted upon the object. This means if an external unbalanced force is acted on the object, it will come to a non-uniform motion i.e., an accelerated motion.
Let me first get you clear that uniform motion is determined by a constant velocity and a state of rest is considered by a zero velocity or speed. But, here we have an unbalanced force acting on the object. This means the object will change its velocity and hence, it has an accelerated motion.
Answer:
18.24 seconds
Explanation:
First you convert the km/h to m/s, 70km/h=(175/9)m/s,85km/h=(425/18)m/s.
You know it took 10 seconds for the police to reach 85 km/h. Calculate the distance that the car is ahead of the police (175/9)*10=1750/9m. Then by divide 1750/9 with 425/18, you will get the value 8.24. Add the 10 seconds with the 8.24 you will get 18.24 sec which is the total time.