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3 years ago

Someone please help me

Physics

2 answers:

tresset_1 [31]3 years ago

8 0

Answer:

The answer should be 3tsp

Explanation:

3tsp

Schach [20]3 years ago

3 0

Answer:

300x480 teaspoons

Explanation:

when converting cups to teaspoons just multiply by 48

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Two circular holes, one larger than the other, are cut in the side of a large water tank whose top is open to the atmosphere. Ho

lidiya [134]

Answer: $\frac{r_1}{r_2}=1.565$

Explanation:

Given

two holes are made with different sizes

Hole 1 is large in size and hole 2 is small

If the volume flow rate of water is same for both the hole then small hole must be below the large hole because for same flow rate, velocity of water is large while cross-sectional area is small so it compensate to give same flow for both the holes.

Now for radius apply Bernoulli's theorem at hole 1 and 2

$P_1+\rho gh_1=P_{atm}+\frac{1}{2}\rho v_1^2$

$P_2+\rho g6h_2=P_{atm}+\frac{1}{2}\rho v_2^2$

if hole 1 is h distance below water surface then $h_2=6h$

and $P_1=P_2=P_{atm}$

Also $v_1=\sqrt{2gh}$

$v_2=\sqrt{2g(6h)}$

and $Q=A_1v_1=A_2v_2$

$A=\pi r^2$

thus $\dfrac{r_1}{r_2}=\sqrt{\dfrac{v_2}{v_1}}$

$\dfrac{r_1}{r_2}=\sqrt{\dfrac{\sqrt{6h}}{\sqrt{h}}}$

$\frac{r_1}{r_2}=1.565$

5 0

3 years ago

What process provides the sun with its energy

Molodets [167]

Answer:

nuclear fusion

<h3>The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.</h3>

6 0

3 years ago

Read 2 more answers

Part A

jasenka [17]

Answer:

answer on the google

Explanation:

6 0

2 years ago

What is the velocity of a turtle who swims 100 meters towards the shore in 25 seconds?

natka813 [3]

Answer:

Explanation:

speed = distance/time

distance = 100m

time = 25s

s = 100/25

= 4m/s

7 0

3 years ago

6. Do you think that aliens exist?

sergij07 [2.7K]

Yes, I think that the universe is way to large for there not to be other life forms out there.

8 0

2 years ago