3 years ago

Describe using examples how objects can be at rest and in motion simultaneously

Physics

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

An object can be at rest and still be in motion because the earth is always in motion.

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Law Incorporation [45]

Answer:

1 is c 2 is a and 3 is b hope that helped!

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3 years ago

by scale drawing, find the resultant of vectors 70N inclined at100N and direction of the resultant 100N

Thepotemich [5.8K]

Answer: 70n=

100n=

Explanation:

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3 years ago

1. What is the kinetic energy of a 94 kg basketball player running at 7.3 m/s?

LUCKY_DIMON [66]

1. 2504.63 J

2. 929.5m/s

Hope this helps :)

I can explain it as well if you’d like

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3 years ago

A motorboat maintained a constant speed of 15 miles per hour relative to the water in going 10 miles upstream and then returning

Lesechka [4]

Answer:

speed of current is 5 mile/hr

Explanation:

GIVEN DATA:

speed of motorboat = 15 miles/hr relative with water

let c is speed of current

15-c is speed of boat at upstream

15+c is speed of boat at downstream

we know that

travel time=distance/speed

$\frac{10}{15-c} +\frac{10}{15+c} = 1.5$

150+10c+150-10c=1.5(15-c)(15+c)

300=1.5(225-c^2)

300=337.5-1.5c^2

200=225-c^2

c^2=25

c = 5

so speed of current is 5 mile/hr

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3 years ago

I need a sentence for the word sandy soil

rusak2 [61]

One day, as I was walking, I found some sandy soil beside the road.

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3 years ago

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