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VladimirAG [237]
3 years ago
12

Need help!!!!!!!!!!!!!!!

Physics
1 answer:
kherson [118]3 years ago
7 0

Answer:

hi

Explanation:

myself

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"A hole is punched in a full milk carton, 10 cm below the top. What is the initial velocity of outflow?"
lesya692 [45]
P 1 = 101,325 Pa (atmospheric pressure)
Milk has almost same density as water: (Rho)= 1,000 kg /m³ 
P 2 = 101,325 Pa + 1,000 kg/m³ · 9.81 m/s² · 0.1 m = 102,306 Pa
The hydrostatic equation:
P 1 + (Rho)v1² / 2 = P 2 + (Rho)·g·h2
101,325 + 1,000 v1²/2  = 102,306 + 1000 · 9.81 · 0.1
500 v 1² = 102,306 + 981 - 101,325
v 1² = 3.924
v 1 = √ 3.924
v 1 = 1.98 m/s
The initial velocity of outflow is 1.98 m/s.

8 0
4 years ago
Read 2 more answers
A 5.0 kg block is pushed 2.0 m at a con-
Alona [7]

Answer:

W_F=127.64283 J

Explanation:

Information Given:

m = 5kg  v=constant

Key: μ = Kinetic Friction (Kf)   θ = Theta α = 180° N = Normal Force

W_F=F_ydcosθ

W_F=Fdsinθ

_{net}F_y = sinθ-μN-mg=0

_{net}F_x = 0

N=Fcosθ

Fsinθ-μN=mg

Fsinθ-μFcosθ=mg

F=\frac{mgdsin(theta)}{sin(theta)-(Kf)cos(theta)} →W_F=\frac{mgdsin(theta)}{sin(theta)-(Kf)cos(theta)}

W_F=\frac{(2)(9.81)(2)sin(30)}{sin(30)-(0.40)cos(30)}

W_F=127.64283 J

3 0
3 years ago
The vector quantity that defines the distance and direction between two positions. It is a change in your position.
lilavasa [31]

I believe you're talking about displacement. It's a directional vector that depicts the movement of a point between two instances.

4 0
3 years ago
5 single loop of copper wire, lying flat in a plane, has an area of 8.60cm2 and a resistance of 3.00. A uniform magnetic field p
Finger [1]

Answer:

0.652 mA

Explanation:

According to Faraday's Law :

Emf = -  \frac{d \phi}{dt}

= \frac{- \delta \phi }{\delta \ t}

|E| = \frac{A ( \delta B)}{\delta t}

where ;

A = 8.60*10^{-4}

\delta B = 3.00 T - 0.5 T = 2.5 T

|E| = \frac{8.60*10^{-4}*2.5}{1.10}

|E| = 1.96*10^{-3}

Induced current  I = \frac{|E|}{R}

= \frac{1.96*10^{-3}}{3.0}

= 6.52*10^{-4} A

= 0.652 mA

Thus, the induced current in the loop of wire over this time = 0.652 A

4 0
3 years ago
What are the answers to these 15 questions?
Dennis_Churaev [7]
(1) The skull consists of twenty-two bones. 
8 0
3 years ago
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