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Mekhanik [1.2K]
3 years ago
6

Calculate the speed of a car that covers a distance of 108km in 30 mins

Physics
1 answer:
Blababa [14]3 years ago
5 0

The speed of the car is 60 m/s

Explanation:

The speed of an object is a scalar quantity telling "how fast" the object is moving, regardless of its direction. It can be calculated as follows:

speed=\frac{d}{t}

where

d is the distance covered

t is the time taken

For the car in this problem, we have

d=108 km =1.08\cdot 10^5 m is the distance covered

t=30 min \cdot 60 =1800 s is the time taken

Subsituting into the equation, we find the speed:

speed=\frac{1.08\cdot 10^5}{1800}=60 m/s

Learn more about speed:

brainly.com/question/8893949

#LearnwithBrainly

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otez555 [7]

Answer: The period of a spring if it has a mass of 5 kg and a spring constant of 6 N/m is 5.73 sec.

Explanation:

Given: Mass = 5 kg

Spring constant = 6 N/m

Formula used to calculate period is as follows.

T = 2 \pi \sqrt\frac{m}{k}

where,

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Substitute the values into above formula as follows.

T = 2 \pi \sqrt\frac{m}{k}\\= 2 \times 3.14 \times \sqrt\frac{5}{6}\\= 5.73 s

Thus, we can conclude that the period of a spring if it has a mass of 5 kg and a spring constant of 6 N/m is 5.73 sec.

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The answer is: B. -487 ..............

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Ten narrow slits are equally spaced 3.00 mm apart and illuminated with indigo light of wavelength 444 nm. The width of bright fr
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A group of Advanced Open Water Divers plans to make two dives. The first dive is on a reef in 90 feet of water for 20 minutes. T
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Answer:

The ending pressure is R.

Explanation:

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