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BARSIC [14]
3 years ago
5

A cable is wrapped several times around a uniform solid cylinder with diameter 0.12 m and mass

Physics
1 answer:
Naya [18.7K]3 years ago
8 0

Answer:

Which of the following was not a reaction to John Brown's execution because of his failed raid on Harper's Ferry ???????

Explanation:

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The neck is a _______.
valkas [14]

Answer:

muscle

Explanation:

if not correct provide more information next time

4 0
3 years ago
Read 2 more answers
A granite monument has a volume of 25,365.4 cm3. The density of granite is 2.7 g/cm3. Use this information to calculate the mass
LiRa [457]
As density = mass/volume

So

Mass = density *volume

Mass = 25,365.4 * 2.7 = 68,486.58 g

<span>Mass of the granite monument to the nearest tenth = 68,485.6 g</span>

5 0
3 years ago
A ball which is dropped from the top of a building strikes the ground with a speed of 30m/s. Assume air resistance can be ignore
Vika [28.1K]

Answer:

               h= 45.87 m.

Explanation:

Data given:

Vf= 30m/s ,     and we know that g = 9.8 m/s²    

The ball has an initial velocity of zero      Vi = 0 m/s²    

To Find:

Height of the building = ?

Solution:

       According to 3rd law of the motion;

                                      2aS= Vf² - Vi²                      ( S= h , a=g)

                                     2*9.81*h = (30)² - (0)²

                                      h= 45.87 m.

3 0
3 years ago
A block of mass m1 = 290 g is at rest on a plane that makes an angle θ = 30° above the horizontal. The coefficient of kinetic fr
GrogVix [38]

Answer:

The speed of the block when is fallen 30cm

v=0.726\frac{m}{s}

Explanation:

∑F= (m2)g - ƒ - (m1)g*sin(θ) = (m1)a

g = 9.81 m/s²

ƒ  = μN = μ(m1)g

(m2)*g - u*(m1)*g - (m1)*g*sin(\alpha ) = (m1)*a

(0.200)(9.81) - (0.1)(0.290)(9.81) - (0.290)(9.81)sin(30°) = (0.290)a

(0.200kg)(9.81\frac{m}{s^{2}}) - (0.1)(0.290kg)(9.81\frac{m}{s^{2}}) - (0.290kg)(9.81\frac{m}{s^{2}})sin(30°) = (0.290kg)*a

0.511101=0.29*a\\a=0.879\frac{m}{s^{2} }

v_{f}^{2}=v_{o}^{2}+2*a(x_{f}^{2}-v_{o}^{2})\\v_{o}=0\\v_{o}=0\\v_{f}^{2}=2*a(x_{f})\\v_{f}=\sqrt{2*a(x_{f})}\\v_{f}=\sqrt{2*0.879\frac{m}{s^{2}}*0.30m} \\v_{f}=0.726 \frac{m}{s}

5 0
4 years ago
Im stuck on this question, please help. :)
Pie

Light travels in waves, and light travels at about 3.0x10^8 m/s. and you call that this the 'speed of light' so your answer possible could be

A. It travels at the speed of light.

I might be wrong so double check.

4 0
3 years ago
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