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lina2011 [118]
3 years ago
13

A hunter points his rifle directly at a coconut that she wishes to shoot off a tree. It so happens that the coconut falls from t

he tree at the exact instant the hunter pulls the trigger. Consequently, A. The bullet passes above the coconut B. The bullet hits the coconut C. The bullet passes beneath the coconut
Physics
1 answer:
Advocard [28]3 years ago
8 0

Answer:

B. The bullet hits the coconut

Explanation:

The hunter fired a bullet and hit the coconut he wanted to drop from the tree. It may not seem so, since the coconut fell as soon as the hunter pulled the trigger, but a rifle bullet has a speed equal to 3,500 km / h, which is too fast for our eyes to be able to observe the moment when the bullet hit the coconut.

However, it would be quite a coincidence that exactly the coconut that the hunter aimed for fell naturally without the influence of the bullet. Because of this, we can say that the hunter hit the coconut.

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I NEED THIS ASAP!!! A ball is thrown straight up with an initial velocity of 4.40 m/s. Assuming there is no air friction, what i
Lilit [14]

Answer:

I think it is 80m/s

Explanation:

d = ½ g t2

  = ½ (10 m/s2) (4 s)2

  = (5 m/s2) (16 s2)

  = 80 ms

75% sure

Hope this helps!!!

5 0
3 years ago
A 650 kg steel beam is being pulled up by a crane with a force of 7020 N. What is the upwards acceleration of the beam?
zimovet [89]

Answer: 1 m/s^2

Explanation:

n= w+ma

n= Mg+Ma

7020 = (650)(9.8)+650a

7020 = 6370+ 650a

650=650a

A= 1 m/s^2

8 0
3 years ago
Two stars have the same radius but have very different temperatures. the red star has a surface temperature of 3,000 k and the b
dangina [55]
I would say that insofar as the two stars temperatures are presumably closely related to their luminosity, that the blue star at 156,100 k compared to 3000k for the red star then the blue star has a luminosity of 52 times that of the red star.
4 0
3 years ago
An AC source is connected to a series combination of a light bulb and a variable capacitor. If the capacitance is increased, the
notsponge [240]

Answer:

Increases

Explanation:

Since power P=IV

Then it means when current increases, the power increases hence brightness increases. I represent current, P is power and v is voltage.

Current of capacitor when in series connection is given by

I=2\pi fCV

where I is current across capacitor, f is frequency, C is capacitance and v is voltage across capacitance. From this second formula, it is evident that an increase in capacitance increases the current across the capacitor. Therefore, if current increases, power also increases leading to an increase in brightness

3 0
3 years ago
What happens to an object when you halve the mass? Hurry please !
Vika [28.1K]

Answer:

It means that if force is constant, as mass is increased, acceleration decreases

Explanation:

5 0
3 years ago
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