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Irina18 [472]
3 years ago
6

A cat is dropped out of a window and falls to the ground in 12 seconds. It lands on its feet.

Physics
1 answer:
zloy xaker [14]3 years ago
4 0

Answer:

The impact was gravity

Explanation:

LOOK IT UP SIS

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Why are Substances used as perfumes are usually in a liquid state
tester [92]

Answer:

Perfume is a mixture of fragrant oils in an ethanol/water solvent. The ethanol/water mixture, which is volatile, evaporates from the droplets within a few seconds, leaving behind a droplet of the fragrant compounds in the perfume. These compounds will also eventually evaporate to form a vapor of the fragrant molecules

8 0
2 years ago
At a certain location, wind is blowing steadily at 10 m/s. Determine the mechanical energy of air per unit mass and the power ge
Effectus [21]

Answer:

X=3976.078202kW \approx 3976kW

Explanation:

From the question we are told that

Wind speedV_w=10m/s

Turbine blade diameter D=90m

Air density  \tau=1.25kg/m^3

Mechanical energy K.E =0.05kJ/kg

Generally the power generation potential of the wind turbine X is mathematically given as

  X=m'*K.E

Where

m'=\tau *\pi*D^2/4*V

m'=1.25 *\pi*90^2/4*10

m'=79521.56404kg/s \approx 79521.5kg/s

Therefore

X=m'*K.E

X=79521.56404*0.05

X=3976.078202kW \approx 3976kW

X=4.0MW

4 0
3 years ago
PLEASE HELP ME VERY IMPORTANT
saul85 [17]

Answer: let's see, so it's a 1/4 chance of getting it right, hope your odds are good, have a wonderful day

Explanation:

:D

6 0
3 years ago
Help plss .. Two bicyclists are accelerating forward in a straight line, and Biker 1 has less
castortr0y [4]

Explanation:

Remember Newton's Second Law.

F=ma

If the force acting on both bikers is the same, we can look at the relationship between acceleration and mass.

If Biker 1 has a mass of 10kg and Biker 2 has a mass of 20kg, and both are being acted upon by a force of 100 N, let's see what that looks like. 100 = 10*a_1 \rightarrow a_1 = 100/10 = 10

100 = 20 *a_2 \rightarrow a_2 = 100/20 = 5

So, given the same force, an object with GREATER mass will have less acceleration.

4 0
3 years ago
How many hours of daylight occur on the first day of spring
Elza [17]

twelve hours and ten minuets

5 0
3 years ago
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