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d1i1m1o1n [39]
3 years ago
8

It takes 2.40s for a small ball with a mass of 0.08 kg released from rest from a tall building to reach the ground. calculate th

e height from which the ball is released. follow 1 answer if that ball had been released from the same height, but this time above the surface of the moon, how long would it have taken for the ball to hit the ground?
Physics
1 answer:
Rudik [331]3 years ago
6 0
I dont know the answer im sorry
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Suppose a distant world with surface gravity of 5.20 m/s2 has an atmospheric pressure of 7.16 ✕ 104 Pa at the surface. (a) What
Nesterboy [21]

Answer:

899752.13598 N

Explanation:

p = Pressure on the plate = 7.16\times 10^4\ Pa

A = Area = \pi r^2=\pi 2^2=\pi 4

F = Force on the region

When force is divided by area we get pressure

p=\frac{F}{A}\\\Rightarrow F=p\times A\\\Rightarrow F=7.16\times 10^4\times \pi 4\\\Rightarrow F=899752.13598\ N

Force is exerted by the atmosphere on a disk-shaped region is 899752.13598 N

6 0
3 years ago
The speed of water at the tap of lower storey is more than that in the upper storey​
nadezda [96]

Answer:

Pressure of liquid in container is given by, P= height × density × acceleration of gravity.

At the lower storey, the height of the liquid from the open end is great, since height is directly proportional to pressure, the pressure exerted by liquid is maximum hence increase in velocity of flow.

Unlike the upper storey where the height of water is less hence the pressure exerted by the liquid is minimum which decreases the velocity / speed of liquid flow

4 0
3 years ago
Uncertainty in 21.0 C is<br> A. 0.1<br> B. 0.2<br> C. 0.05
san4es73 [151]

it's A.0.1

that's the answer

4 0
2 years ago
Describle the path that moisture takes from the ocean to the runoff that forms a river
Sergeu [11.5K]
<span>The path that moisture takes from the ocean to the runoff that forms a river is: 
</span>1.Evaporation (<span>water changes from a liquid to a gas or vapor)</span>
<span>2. Condensation (clouds are formed)
3. Precipitation (</span>Any form of water that falls to the Earth's surface from the clouds)
3 0
3 years ago
________________of electrons produce electromagnetic waves that have many different wavelengths.
Lubov Fominskaja [6]

Answer:

c. vibrations

Explanation:

im nahh 100 percent sure this rii nn if it isnt im sorryyy

4 0
3 years ago
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