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slava [35]
3 years ago
13

Between the orbits of Mars and Jupiter, several thousand small objects called asteroids move in nearly circular orbits around th

e Sun. Consider an asteroid that is spherically shaped with radius r and density 2400 kg/m3 .
Part A) You find yourself on the surface of this asteroid and throw a baseball at a speed of 30 m/s . If the baseball is to travel around the asteroid in a circular orbit, what is the largest radius asteroid on which you are capable of accomplishing this feat?

Part B) After you throw the baseball, you turn around and face the opposite direction and catch the baseball. How much time T elapses between your throw and your catch?
Physics
1 answer:
vazorg [7]3 years ago
7 0

Answer:

Lo siento si no entiendes español, pero si lo sabes, necesito estos puntos. Te han robado un punto

Explanation:

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Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial spe
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Answer:

Explanation:

1.  V_{x} = V_{0} * cos\alpha ⇒ 16*cos32 ≈ 13.6 m/s (13.56)

2. V_{y} = V_{0} * sin\alpha ⇒ 16* sin32 ≈ 9.4 m/s

3. y_{max} = \frac{v_{0}^2*sin^2\alpha}{2g}= \frac{16^2*sin^232}{2*9.8} (the g (gravity) depends on the country but i'll take the average g which is 9.2m/s^2)

y_{max} ≈ 3.6677+1.5 ≈ 5.2m

4.  x_{max} = \frac{v_{0}^2*sin(2\alpha)}{g}=\frac{16^2*sin(2*32)}{9.8} ≈ 23.5m (23.47)

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3 0
3 years ago
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LuckyWell [14K]

Answer:

The linear speed of scratch is 45.55 cm/dec

Explanation:

The scratch located from the center at radial distance = 14.5 cm.

Each minute the skip of scratch when disco record played  = 30 times

Since, the scratch on the disc start revolving when disc is played and in one minute the scratch revolve 30 times. Therefore, the revolution = 30 RPM

Below is the calculation of linear speed of the scratch.

Angular \ velocity, \ w \ = \frac{2 \pi  \times RPM}{60} \\

w  =  \frac{2 \pi  \times 30}{60} = \pi  \ rad/dec \\

Linear \ velocity = wr \\

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v = \pi \times 14.5 \\

v = 45.55 cm/dec

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Answer:

entertaining form of repetition

Explanation:

=>

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