This is may mastering physics homework and I just need help solving the question.
1 answer:
Answer:
Angular speed of the disc after he fold his hands is given as

Explanation:
As we know that the moment of inertia of the solid cylinder is given as

so we have


now moment of inertia of two dumbbell in his hand is given as



Now moment of inertia of the disc is given as



Now we can use angular momentum conservation as there is no external torque on it



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Humid air has higher pressure because of the heaviness of the water
Answer:
<u>4 m/s²</u>
Explanation:
<u>Formula</u>
- Weight = Mass x Gravity due to acceleration
<u>Solving</u> :
- 400 N = 100 kg x g
- g = 400/100
- g = <u>4 m/s²</u>
Answer:
3+7= 7x3= 21➗7=
Explanation:
3+7= 10 7 8 9 10
7x3= 21 7 14 21
21➗7=3 21 14 7
mark me brainliest please
Answer:128
Explanation:
solve by V=IR formula
V=32 * 4
V= 128