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andrey2020 [161]
3 years ago
6

Need help asapppp

Physics
2 answers:
AleksandrR [38]3 years ago
5 0
They are:

1. D
2. B
3. A
antiseptic1488 [7]3 years ago
4 0

Answer:

1. d. transverse waves

2. False

3. True

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A 5.31 kg object is swung in a vertical circular path on a string 2.99 m long. The acceleration of gravity is 9.8 m/s 2 . If the
11111nata11111 [884]

Answer:

T = 120.3 N

Explanation:

Since, the tension in the rope is acting against both the centripetal force and the weight of the stone. As both act downward towards center of the circle and tension acts towards point of support that is upward. So, tension will be equal to the sum of centripetal force and weight of the stone:

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3 years ago
A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3. what is the volume of the ball?
lesantik [10]
Density=mass/volume therefore volume=mass/density; 55g/11.4g/cm^3= 4.82cm^3
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