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Sholpan [36]
3 years ago
12

What do two troughs make when they meet

Physics
1 answer:
andrew11 [14]3 years ago
5 0
They make interference waves
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If an object suspended by a scale shows a weight of 3 N in air, and 2 N when submerged in water, the buoyant force on the submer
Alex Ar [27]

Answer:

1 N

Explanation:

Buoyant Force: This is also called upthrust, It can be defined as the force which act upward exerted by a fluid when an object is placed in it.

The S.I unit is Newton.

From the question,

Buoyant force = Weight of the object in air- weight of the object when submerged in water.

U = W-W'.......................... Equation 1

Where U = upthrust, W = weight in air, W' = weight when submerged in water.

Given: W = 3 N, W' = 2 N

Substitute into equation 1

U = 3-2

W = 1 N

7 0
3 years ago
The eiffel tower is 300 meters tall. Disregarding air friction, at what velocity would an object be traveling when it reaches th
xeze [42]

Answer:

Hope it helps you :)

Explanation in the pic above.

8 0
2 years ago
How many significant figures are in 50.5?
Art [367]
3 as a single number is considered a sf
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3 years ago
A car, traveling at , encounters a dip in the road. The radius of curvature at the bottom of the dip is . Each of the car’s four
labwork [276]

Answer:

spring deflection is  x = (v2 / R + g) m / 4

Explanation:

We will solve this problem with Newton's second law. Let's analyze the situation the car goes down a road and finds a dip (hollow) that we will assume that it has a circular shape in the lower part has the car weight, elastic force and a centripetal acceleration

 

Let's write the equations on the Y axis of this description

       Fe - W = m a_{c}

Where Fe is elastic force, W the weight and a_{c}  the centripetal acceleration. The elastic force equation is

       Fe = - k x

     

       4 (k x) - mg = m v² / R

The four is because there are four springs, R is theradio of dip

We can calculate the deflection (x) of the springs

       x = (m v2 / R + mg) / 4

       

       x = (v2 / R + g) m / 4

5 0
3 years ago
When the green arrow and solid red light is illuminated, __________?
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<span>When the green arrow and solid red light is illuminated, </span>means you turn in the direction of the arrow.
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