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Masteriza [31]
3 years ago
10

31. If Earth's mass was cut in half, your weight would

Physics
1 answer:
Oxana [17]3 years ago
5 0

Answer:

it would decrease to one half your original weight

Explanation:

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What increases the transfer of the wind's energy to the water?
kari74 [83]

Answer:

A, flat water

Explanation:

6 0
2 years ago
HeLp AsAp!!!!!! How long would it take you to hop 30 meters based on your speed for the 5-meter trial? Show your work!
Novosadov [1.4K]

Answer:

20.5s

Explanation:

Given parameters:

Distance = 30m

Unknown:

Time  = ?

Solution:

The time it will take to hop a distance of 30m using the speed for the 5m trial is the duration of the trip.

 The speed for the 5m trial  = 1.46m/s

Now;

    Speed  = \frac{distance}{time}

      Distance = speed x time

      time  = \frac{distance }{speed}

Input the parameters and solve;

     time  = \frac{30}{1.46}   = 20.5s

7 0
3 years ago
3. Calculate the speed for a car that went a distance of 155 kilometers in 3 hours
Sladkaya [172]

Answer:This is an explanation

for 150 km its all ik i tried hard ty

Explanation:The car covers 150 km in 3 hours or 3*60 = 180 minutes.

So in 12 min the car will cover (12/180)*150 = 10 km.

8 0
2 years ago
Read 2 more answers
What s the rate of acceleration of gravity?​
Ivenika [448]
The numerical value for the acceleration of gravity is most accurately known as 9.8 m/s/s.
4 0
3 years ago
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A beam of light passes through a liquid into air. Angle 1, angle of
Ede4ka [16]

Answer: 1.57

Explanation:

This described situation is known as Refraction, a phenomenon in which light bends or changes its direction when passing through a medium with a index of refraction different from the other medium.  

In this context, the index of refraction is a number that describes how fast light propagates through a medium or material.  

According to Snell’s Law:  

n_{1}sin(\theta_{1})=n_{2}sin(\theta_{2}) (1)  

Where:  

n_{1} is the first medium index of refraction (the value we want to know)

n_{2}=1 is the second medium index of refraction (air)  

\theta_{1}=23\° is the angle of incidence

\theta_{2}=38\° is the angle of refraction

Now, let's find n_{1} from (1):

n_{1}=n_{2}\frac{sin \theta_{2}}{sin \theta_{1}} (2)  

Substituting the known values:

n_{1}=1\frac{sin(38\°)}{sin(23\°)}  

Finally:

n_{1}=1.57  

3 0
3 years ago
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