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Ahat [919]
3 years ago
5

Can someone please help me with this.

Physics
1 answer:
denis-greek [22]3 years ago
8 0

Answer:

14 fast 15 fast , not moving  then constant

Explanation:

14 the slope is higher

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An object is thrown vertically upward such that it has a speed of 25 m/s when it reaches two thirds of its maximum height above
AlekseyPX

Answer:

v0 = 25 m/s

vf = 0 m/s

a = -9.80 m/s^2

change in x = 31.89m

but that's only 1/3 of the hight, so i time it by 3 to get 96m

4 0
3 years ago
The sound intensity at a distance of 16 m from a noisy generator is measured to be 0.25 W/m2. What is the sound intensity at a d
Margarita [4]

Answer:

0.1111 W/m²

Explanation:

If all other parameters are constant, sound intensity is inversely proportional to the square of the distance of the sound. That is,

I ∝ (1/r²)

I = k/r²

Since k can be the constant of proportionality. k = Ir²

We can write this relation as

I₁ × r₁² = I₂ × r₂²

I₁ = 0.25 W/m²

r₁ = 16 m

I₂ = ?

r₂ = 24 m

0.25 × 16² = I₂ × 24²

I₂ = (0.25 × 16²)/24²

I₂ = 0.1111 W/m²

4 0
3 years ago
Everyone's favorite flying sport disk can be approximated as the combination of a thin outer hoop and a uniform disk, both of di
Umnica [9.8K]

Answer:

The length of the boomerang is 0.364 m

Explanation:

The moment of inertia is:

I=\frac{1}{2} m_{d} r^{2} +m_{h} r^{2}

Where

md = 0.05 kg

mh = 0.12 kg

r = d/2 = 0.273/2 = 0.1365 m

I=\frac{0.05*(0.1365)^{2} }{2} +(0.12)*(0.1365)^{2} =2.7x10^{-3} kgm^{2}

The length of the boomerang is:

L_{b} =\sqrt{\frac{12I}{m} } =\sqrt{\frac{12*2.7x10^{-3} }{0.245} } =0.364m

5 0
2 years ago
Which of the following is a measure of the total energy of a system?
11111nata11111 [884]
The answer is enthalphy

Enthalphy especially used in thermodynamic system. It itncludes the internal energy which required to create the system and the ammount of energy required to establish its volume and pressure

Real life products of enthalphy applcation are refrigerator and compressor

Hope this help you out
6 0
3 years ago
The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if a. demand increases and su
svp [43]

Answer:

A. demand increases and supply decreases

Explanation:

The correct answer is: The equilibrium price will rise, but equilibrium quantity may increase, decrease, or stay the same if demand increases and supply decreases

4 0
3 years ago
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