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MrRa [10]
3 years ago
14

A 5 kg rock falls from an 8 m high cliff. What is the speed of the rock when it hits the ground?

Physics
1 answer:
Levart [38]3 years ago
3 0

Answer:

3k mph

Explanation:

don't take my answer it is wrong

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How fast much an 816kg Volkswagen travel to have the same momentum as (a) a 2650kg Cadillac going 16.0 km/h? (b) a 9080-kg truck
Katyanochek1 [597]

Answer:

Explanation:

From the given information:

the car's momentum = momentum of the truck

∴

(a) 816 kg × v = 2650 kg × 16.0 km/h

v = (2650 kg × 16.0 km/h) /  816 kg

v = 51.96 km/hr

(b) 816 kg × v = 9080 kg × 16.0 km/h

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v = 178.04 km/hr

8 0
3 years ago
The element selenium (Se) bonds with chlorine (Cl) to make the formula SeCl2 Chlorine is more electronegative than selenium. Wha
Akimi4 [234]

Answer:

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Explanation:

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The SeCl2 compound formed is called Selenium dichloride as two atoms of Chlorine are needed to combine with one atom of Selenium to form the compound.

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3 years ago
Which of the following best describes the role of attention from a caregiver on the development of intelligence?
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A child's IQ may increase with attention from a caregiver" is the one among the following that best describes the role of attention from a caregiver on the development of intelligence. The correct option among all the options that are given in the question is the first option. I hope the answer has helped you.


8 0
3 years ago
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Through which material would you expect sound waves to move fastest? O A. Iron O B. Water O c. Air O D. Milk​
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Is this what your looking for, It might tell you the answer?

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How do you calculate distance traveled from a speed/time acceleration graph?
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