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tigry1 [53]
2 years ago
10

A 66-kg bicyclist (including the bicycle) accelerates uniformly from 0.50 m/s to 1.50 m/s, traveling 6.0m. What is the net force

acting on the bicyclist?
Physics
1 answer:
FromTheMoon [43]2 years ago
4 0

The net force acting on the bicyclist is 11.022 Newton.

<u>Given the following data:</u>

  • Mass of bicyclist = 66 kg
  • Initial velocity = 0.50 m/s
  • Initial velocity = 1.50 m/s
  • Distance traveled = 6.0 meters

To find the net force acting on the bicyclist, we would apply Newton's Second Law of Motion:

Mathematically, Newton's Second Law of Motion is given by this formula;

Force = mass × acceleration

First of all, we would determine the acceleration by using the third equation of motion;

V^2 = U^2 + 2aS\\\\1.5^2 = 0.5^2 + 2a(6)\\\\2.25 = 0.25 + 12a\\\\12a = 2.25 - 0.25\\\\12a = 2\\\\a = \frac{2}{12}

Acceleration, a = 0.167 m/s^2

Now, we can find the net force acting on the bicyclist:

Force = 66 × 0.167

<em>Force </em><em>= </em><em>11.022 Newton</em>

Therefore, the net force acting on the bicyclist is 11.022 Newton.

Read more here: brainly.com/question/24029674

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spayn [35]
F=ma
F=125 N
m= 50 kg
125=50a
a=2.5 m/s^2
3 0
3 years ago
Assume that Young’s modulus for a new material is known to be 2.25 × 1011 /2
Lady bird [3.3K]

Answer:

Maximum force, F_{max} = 42 kN

Explanation:

Maximum Stress, \sigma_{max} = 2.1 * 10^{7}  N/m^{2}

The diameter of the material, d = 50.5 mm = 0.0505 m

The area of the material, A = (\pi d^{2} )/4

A = \frac{\pi * 0.0505^{2} }{4} \\A = 0.002 m^{2}

The formula for the maximum stress that the material can take is given by:

\sigma_{max} = \frac{F_{max} }{A} \\2.1 * 10^7 = \frac{F_{max} }{0.002}\\F_{max} = 2.1 * 10^7 * 0.002\\F_{max} = 4.2 * 10^4 N\\F_{max} = 42 kN

4 0
3 years ago
We are constantly surrounded by many types of energy transfers and transformations, showing that energy in a system is conserved
MariettaO [177]

Answer:

Energy is conserved when some of the chemical energy from burning a candle is transformed into thermal energy, while the rest of the chemical energy is transformed into light energy.

Energy is conserved when thermal energy is transferred from your body to a coat.

Explanation:

The principle of conservation of energy states that energy can neither be created nor destroyed, but can be transformed from one form to another. This can be regarded as the first law of thermodynamics.

In the answer, we see two major kinds of energy transformation around us. The both cases show the conservation of energy in a system.

5 0
4 years ago
The diagram does not represent a real electric field because the field lines __
AfilCa [17]
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6 0
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Two boxes are at rest on a smooth, horizontal surface. The boxes are in contact with one another. If box 1 is pushed with a forc
Maslowich

Answer:

mass of box 1 = 2.20 kg

mass of box 2 = 5.93 kg

Explanation:

Let the mass of box 1 and box 2 is respectively

m_1 and m_2

so we will have

Force applied on box 1 then acceleration

a = \frac{F}{m_1 + m_2}

1.50 = \frac{12.2}{m_1 + m_2}

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F_n = m_2a

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m_2 = 5.93 kg

now we have

m_1 = 2.20 kg

8 0
3 years ago
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