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Gnom [1K]
3 years ago
10

Explain this quote "ambition beats genius 99% of the time. "

Physics
2 answers:
qaws [65]3 years ago
8 0

Explanation: Meaning 99% of the time being ambitious about something and just really going for it and doing your best will work better in day to day life.

klasskru [66]3 years ago
7 0

Answer:

The idea that hard work is the most important aspect of new inventions existed before Edison gave his quote, however.

The idea behind this quote is that it is easy to have a good idea, or a creative insight. However, to follow through with that idea, and turn it into a reality, takes a level of patience and dedication that few people have.

Explanation:

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Holding onto a tow rope moving parallel to a frictionless ski slope, a 68.7 kg skier is pulled up the slope, which is at an angl
Furkat [3]

Answer:

a) F = 78.606\,N, b) F = 88.911\,N

Explanation:

a) Let consider two equations of equilibrium, the first parallel to ski slope and the second perpendicular to that. The equations are, respectively:

\Sigma F_{x'} = F - m\cdot g \cdot \sin \theta = 0\\\Sigma F_{y'} = N - m\cdot g \cdot \cos \theta = 0

The force on the skier is:

F = m \cdot g \cdot \sin \theta

F = (68.7\,kg)\cdot (9.807\,\frac{m}{s^{2}} )\cdot \sin 6.7^{\textdegree}

F = 78.606\,N

b) The equations of equilibrium are the following:

\Sigma F_{x'} = F - m\cdot g \cdot \sin \theta = m\cdot a\\\Sigma F_{y'} = N - m\cdot g \cdot \cos \theta = 0

The force on the skier is:

F = m\cdot (a + g \cdot \sin \theta)

F = (68.7\,kg)\cdot (0.150\,\frac{m}{s^{2}}+9.807\,\frac{m}{s^{2}}\cdot \sin 6.7^{\textdegree})

F = 88.911\,N

3 0
3 years ago
Assume that the loop is initially positioned at θ=30∘θ=30∘ and the current flowing into the loop is 0.500 AA . If the magnitude
labwork [276]

Answer:\tau=1.03\times 10^{-4}\ N-m

Torque,

Explanation:

Given that,

The loop is positioned at an angle of 30 degrees.

Current in the loop, I = 0.5 A

The magnitude of the magnetic field is 0.300 T, B = 0.3 T

We need to find the net torque about the vertical axis of the current loop due to the interaction of the current with the magnetic field. We know that the torque is given by :

\tau=NIAB\ \sin\theta

Let us assume that, A=0.0008\ m^2

\theta is the angle between normal and the magnetic field, \theta=90^{\circ}-30^{\circ}=60^{\circ}

Torque is given by :

\tau=1\times 0.5\ A\times 0.0008\ m^2\times 0.3\ T\ \sin(60)\\\\\tau=1.03\times 10^{-4}\ N-m

So, the net torque about the vertical axis is 1.03\times 10^{-4}\ N-m. Hence, this is the required solution.

4 0
3 years ago
An airplanes lands with a velocity of +75 m/s and comes to a stop in 20 seconds. What is the acceleration of the airplane while
erma4kov [3.2K]

Answer:

The acceleration of the car, a = -3.75 m/s²

Explanation:

Given data,  

The initial velocity of the airplane, u = 75 m/s

The final velocity of the plane, v = 0 m/s

The time period of motion, t = 20 s

Using the I equations of motion

                    v = u + at

                     a = (v - u) / t

                        = (0 - 75) / 20

                        = -3.75 m/s²

The negative sign indicates that the plane is decelerating

Hence, the acceleration of the car, a = -3.75 m/s²

7 0
3 years ago
4. A free body diagram of a brick on
Otrada [13]

Answer:

bn

nnnnnnnnn

Explanation:

8 0
3 years ago
You illuminate a slit with a width of 77.7 μm with a light of wavelength 721 nm and observe the resulting diffraction pattern on
SVETLANKA909090 [29]

Answer:

The width is  Z = 0.0424 \ m

Explanation:

From the question we are told that

    The width of the slit is d  =  77.7 \mu m  =  77.7 *10^{-6} \ m

    The wavelength of the light is  \lambda  = 721  \ nm

      The position of the screen is  D = 2.83 \ m

Generally angle at which the first minimum  of the interference pattern the  light occurs  is mathematically  represented as

        \theta  =  sin ^{-1}[\frac{m \lambda}{d} ]

Where m which is the order of the interference is 1

substituting values

       \theta  =  sin ^{-1}[\frac{1 *721*10^{-9}}{ 77.7*10^{-6}} ]

      \theta  = 0.5317 ^o

 Now the width of first minimum  of the interference pattern is mathematically evaluated as

       Y  =  D sin \theta

substituting values

       Y  = 2.283 * sin (0.5317)

       Y  =  0.02 12 \ m

 Now the width of  the  pattern's central maximum is mathematically evaluated as

        Z =  2 * Y

substituting values

      Z = 2 * 0.0212

     Z = 0.0424 \ m

3 0
3 years ago
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