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likoan [24]
3 years ago
5

you kick a soccer ball straight up into the air with a speed of 21.2 m/s how long does it take the soccer ball to reach its high

est point
Physics
1 answer:
skelet666 [1.2K]3 years ago
6 0

i just had this question and i totally guessed. it was 2.2.

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Which statement about stage 3 NREM is accurate?
cestrela7 [59]

Answer:

hope

that helps

Explanation:

D. The sleeper's heart rate, blood pressure, and breathing rate drop to their lowest levels.

8 0
3 years ago
What is the best definition for work?
olga55 [171]

Work is done when a force is in the same direction as the object moves.

Explanation:

The work done by a force in moving an object is given by the equation

W=Fd cos \theta

where

F is the magnitude of the force

d is the displacement of the object

\theta is the angle between the directions of F and d

From the equation, we notice the following:

  • Work is done by a force when the force is in the same direction as the object moves. In fact, in this case, \theta=0^{\circ}, and so cos \theta = 1, which means that the work done simply becomes W=Fd
  • When the force is perpendicular to the motion of the object, \theta=90^{\circ} and cos \theta = 0, which means that no work done
  • Technically, work is also done when the force is not parallel to the motion of the object: in this case, the factor cos \theta means that only the component of the force parallel to the direction of motion contributes to do work on the object.

Therefore, the correct answer is

Work is done when a force is in the same direction as the object moves.

Learn more about work:

brainly.com/question/6763771

brainly.com/question/6443626

#LearnwithBrainly

7 0
4 years ago
The ideas that the universe began at a single point and has been expanding since its formation are the main premises of which of
Basile [38]
The big bang theory describes and claims that the universe has been created through cosmic expansion originating from a single point.

Where it was explained that the nature of now objects in space being in constant space was due to once a high density and high density point produce a scattering or explosion of the cosmic energy . Other theories have also supported this theory originally and first documented by Georges Henri Joseph Édouard Lemaître an astronomer and physicist.
6 0
3 years ago
Water flows through a garden hose which is attached to a nozzle. The water flows through hose with a speed of 1.81 m/s and throu
Serggg [28]

Answer:

a) 17.086m

b) 0.1671 m

Explanation:

Given data: speed of water through the hose  = 1.81 m/s

through the nozzle = 18.3 m/s

We know that maximum height of an object with upward velocity v is given by,

a) H = v^2/2g

where H is the maximum height water emerges  

= 18.3^2/(2×9.8) = 17.086 m answer

b) Again,  

H = v^2/2g

= 1.81^2/(2×9.8) = 0.1671 m

6 0
3 years ago
Ano-ano ang mga kultural na pamayanan na matatagpuan sa Luzon?<br>Help. Po hirap po ako dito ​
Nitella [24]

Answer:

Kultural na Pamayanan sa Luzon

*Ifugao

*Kalinga

*Gaddang

Explanation:

Sana makatulong po sa inyu...

I tried to answered it...

Pero your welcome in advance..

(◍•ᴗ•◍)

3 0
3 years ago
Read 2 more answers
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