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PilotLPTM [1.2K]
3 years ago
13

If a 96 n force of gravity is happening to a falling basketball what is the ball mass? The accelydue to gravity is 9.8m/s^2

Physics
1 answer:
prohojiy [21]3 years ago
5 0

Answer:

9.80 kg

Explanation:

F = ma

96 N = m(9.8 m/s^2)

m = 9.80 kg

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A uniform rod of length L is pivoted at L/4 from one end. It is pulled to one side through a very small angle and allowed to osc
ludmilkaskok [199]

Answer:

T= 4.24sec

Explanation:

We are going to use the formula below to calculate.

T=2\pi \sqrt{\frac{L}{g} }

Where T is period

           L is length of rod

       g is acceleration due to gravity =     9.8m/s^{2}

From the problem, the rod is pivoted at 1/4L which means that three quarter of the rod was used for the oscillation. lets call this L_{O}

L_{O} = 3/4 * 5.95m

        = 4.4625m

thus   T=2\pi \sqrt{\frac{L_{O} }{g} }

          T=2\pi \sqrt{\frac{4.4625 }{9.8} }

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8 0
4 years ago
Upon examining layer M, you find that it contains a small proportion of the radioactive isotope - Potassium-40, which decays int
Westkost [7]

Answer:

t = 2.6 billion years

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If potassium becomes 25% of its initial value

so we can say it becomes half two times

as we know that 25% means it is 1/4 times of initial value

so we will have

N = N_o e^{-\lambda t}

here we know that

N = 0.25 N_o

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t = 2 T_{1/2}

t = 2(1.3 billion \: years)

t = 2.6 billion years

4 0
3 years ago
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