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SVEN [57.7K]
4 years ago
10

What happens as dolphins grow up?

Physics
1 answer:
natulia [17]4 years ago
6 0
As they grow up, they will separate with their mother and tend to their own self. They will learn to catch fish and stay alert for predators. Eventually, they will find their own mate and produce their own offspring. 
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While spinning in a centrifuge a 70.0 KG astronaut experiences an acceleration of 2.00g, or twice the acceleration due to gravit
alisha [4.7K]
Centripetal acceleration is the force acting on the body who's moving in a circular motion. It is still a force, which according to Newton's Second Law of Motion,

F = ma
F = (70 kg)(2)(9.81 m/s²)
F = 1373.4 N

<em>Thus, the answer is B.</em>
4 0
4 years ago
To practice problem-solving strategy 26.1 resistors in series and parallel. two bulbs are connected in parallel across a source
hichkok12 [17]
Emf e = 11
r 1 = 3.0
r 2 = 3.0
r 3 = ?

The two in parallel are equivalent to 3 • 3/6 = 1.5 Ω 
To have 2.4 volts across them, the current is I = 2.4/1.5 = 1.6 amps. and the unknown R = (11–2.4) / 1.6 = 5.375 Ω or 5.4 Ω 
3 0
3 years ago
A ball rolls off a level table with a speed of 2.2 m/s. The table is 1.2 meters high. How far away from the base of the table do
r-ruslan [8.4K]

The base of table is "1.08856 m" far away from the ball land.

Given:

Distance travelled by ball,

  • S = 1.2 m

Initial velocity,

  • u = 0 m/s

Acceleration,

  • a = 9.8 m/s²

Constant speed,

  • 2.2 m/s

As we know the formula,

→ S = ut+\frac{1}{2}at^2

By substituting the values, we get

→ 1.2=\frac{1}{2}\times 9.8t^2

→ 1.2 = 4.9 t^2

→    t = \sqrt{\frac{1.2}{4.9} }

→      = 0.4948 \ seconds

Let,

  • Horizontal distance will be "x".
  • Time = t

→ x = 2.2\times t

     = 2.2\times 0.4948

     = 1.08856 \ m

Thus the solution above is right.

Learn more:

brainly.com/question/19170664

8 0
3 years ago
how will you connect three resistors of 2 ohm centrioles and 5 ohms respectively so as obtain of the result and the resistance o
victus00 [196]

Two resistor of 2Ω in series parallel to resistor 5Ω in series to a 2Ω resistor. This configuration gives to us an equivalent resistor of 2.55Ω.

To solve this problem we have to use the rules of conection of resistor in series and parallel.

A resistor R1 in serie with other resistor R2 gives us an equivalent resistor Req= R1 + R2.

A resistor R1 in parallel with other resistor R2 gives us an equivalent resistor Req = R1.R2/R1+R2.

The circuit that show an arregement of resistor which we obtain a equivalent resistor of 2.5Ω from three resistor of 2Ω and 5Ω respectively is attached in the image:

3 0
4 years ago
What must exist for electric charges to flow?
dexar [7]

Answer: electric potential difference

Explanation:

3 0
4 years ago
Read 2 more answers
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