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astra-53 [7]
3 years ago
12

Which is a main cause of speciation? A. Organisms with beneficial traits tend to survive. B. Members of a species can mate and p

roduce fertile offspring. C. Populations of a species become isolated from one another. D. More offspring are produced than there are resources to support them. Please answer ASAP
Physics
1 answer:
Svetradugi [14.3K]3 years ago
8 0
C would be the correct answer for this:)
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A pendulum with a mass of 250 g is released from its maximum displacement of 5 degrees and swings with a simple harmonic motion.
Amiraneli [1.4K]
L=T2xg/4x3.14^2
16x9.8/4x3.14^2
Used your calculator plz
3 0
3 years ago
A 10.0-kg animal is running at a rate of 3.0 m/s. What is the kinetic energy of the animal?
Ilya [14]
Kinetic energy is calculated by using formula:

Ek = 1/2*m*v^2

Now we replace values of mass and speed in this formula.

Ek = 1/2*10*3^2 = 45.0J

When you have a formula and all variable values are given in the text of question just replace variable values in equation and find the final value.
4 0
3 years ago
The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. In 1948 he jumped from rest from the top
vaieri [72.5K]

Answer:

v = 44,16 m/s

Explanation:

We will fixate our reference in the starting point from where Dan jumped of, at the top of the Casino. Therefore, the displacement made when dan reached the airbag would be of y= -99,4 m viewed from our reference. We describe the motion of dan with the equation:

v_y^2 =v_0^2 +2ay

Dan jumped from the rest, that means that the initial velocity v_0=0, therefore:

 v_y^2 =2ay \rightarrow v_y = \sqrt{2ay}

Since Dan is moving in the negative axis regarding our reference point, we take the negative root of the equation.

v_y=-√(2*(-9,81 m/s^2 )*(-99,4 m) )=44,1613 m/s  v_y =- \sqrt{2*(-9,81 m/s^2)*(-99,4 m)} = 44,1613 m

So, if we don’t take the air resistance into account, Dan would have achieved an velocity of 44,16 m/s when he reached the airbag.

I hope everything was clear with my explanation. If you need anything else, let me know. Have a great day :D

7 0
3 years ago
Help me with this please
pochemuha

Answer:

1. 31.5

3. 3.5

Explanation:

4 0
3 years ago
WILL GIVE BRAINLIEST
krek1111 [17]

Answer:

I think d

Explanation:

6 0
3 years ago
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