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Readme [11.4K]
4 years ago
15

How do fungi get food?

Physics
1 answer:
Brrunno [24]4 years ago
7 0

Answer:

They decompose dead things and absorb the nutrients and get their food

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Matter and energy can convert into each other. True False
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A small, spring-loaded cannon launches a tennis ball from level ground with an initial speed vi at an angle θi with the horizont
lora16 [44]

Answer:

a. T\ =\ \dfrac{2v_isin\theta_i}{g}

b. v_icos\theta_i

c. v_1sin\theta_i

Explanation:

Given,

*initial velocity of the ball = v_i

*angle of projection = \theta_i

Horizontal component of the initial velocity of the ball = v_x\ =\ v_icos\theta_i

vertical initial component of the initial velocity of the ball = v_y\ =\ v_isin\theta_i

part a

From the kinematics,

In the y-direction motion,

total vertical displacement of the ball during the whole motion is zero.

Ball is moving under the gravitational acceleration, therefore the acceleration of the ball = -g, because gravitational acceleration always acts in the downward direction,

Let t be the time of flight of the whole motion,

y\ =\ v_yt\ -\ \dfrac{1}{2}gt^2\\\Rightarrow 0\ =\ v_isin\theta_i t\ -\ \dfrac{1}{2}gt^2\\\Rightarrow t\ =\ \dfrac{2v_isin\theta_i}{g}\\

part b.

At the peak of the path of the ball, the vertical component of the velocity of the ball becomes zero, only horizontal component of the velocity acts on the ball is equal to = v_x\ =\ v_icos\theta_i

part c.

Initial vertical component of the velocity of the ball = v_y\ =\ v_isin\theta_i

5 0
3 years ago
The density of sodium is 968 g/cm3. Suppose you need 250 gm of sodium for an experiment. Which volume of sodium do you need?
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We know, d = m/v
d = 968 g/cm3
m = 250 gm

Substitute their values, 
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v = 0.26 cm3

In short, Your Answer would be Option B

Hope this helps!
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Can u plz mark me as brainliest? I really need it!

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3 years ago
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