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3 years ago

Why football players boots have spikes their soleGive short and sweet answer

Physics

2 answers:

ozzi3 years ago

6 0

Answer:

they provide a larger frictional force than normal shoes while running on the grass.

Marizza181 [45]3 years ago

3 0

Answer:

it helps with balance and speed.

"The football shoes have spikes or studs because the studs or spikes provides larger frictional force than normal shoes while running on the grass. The studs prevents player from slipping on the grass and help to run faster and change direction quickly without slipping"

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A geothermal plant uses geothermal water (yes a liquid) extracted from beneath the Earth using drilling apparatus. The geotherma

Sophie [7]

Answer:

4.1%

Explanation:

Given that water specific heat c = 4186 J/kgC. If water is flowing with mass rate of 200kg/s and temperature is dropping from 200C to 25C. Then the thermal energy rate from the water should be

$P_i = mc\Delta t = 200*4186*(200 - 25) = 146510000
J/s$ or 146510kW

Since the turbine is only able to extract 6000kW of power, then the thermal efficiency is:

$Eff = \frac{P_o}{P_i} = \frac{6000}{146510} = 0.041$ or 4.1%

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3 years ago

A child weighs 300 N. What is the child's mass

vekshin1

Weight / g = mass 300N/9.8m/s^2= mass 30.6kg

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3 years ago

How do foraminifera found in rock layers above the k-t boundary compare to those in rock layers below?

creativ13 [48]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

Below are the choices that can be found elsewhere:

Foraminifera above the boundary are larger and more diverse than those below.
Foraminifera above the boundary are larger and less diverse than those below.
Foraminifera above the boundary are smaller and more diverse than those below.
<span>Foraminifera above the boundary are smaller and less diverse than those below

The answer is </span>Foraminifera above the boundary are smaller and less diverse than those below
<span>

</span>

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4 years ago

11. When gathering glassware and equipment for an experiment, you should

masha68 [24]

Answer:

Explanation:

8 0

3 years ago

Calculate the net force on particle q1.

antoniya [11.8K]

By applying Coulomb's law between the charges, the net force on the charged particle q₁ due to particle q₂ and q₃ is -9.86 N.

<h3>Distance between q₂ and q₃</h3>

The distance between the second charge and the third charge is given as;

r = 0.3 m

<h3>Force on q₂ due to q₃</h3>

$F_{2} = \frac{kq_2q_3}{r^2} \\\\F_{2}= \frac{(8.99\times10^9) (7.7 \times 10^{-6})(5.9\times 10^{-6}) }{0.3^2} \\\\F_2 = 4.54\ N$

<h3>Net force on particle q₁</h3>

The net force on particle q₁ is determined by summing the individual forces together;

F(net) = F₁ + F₂

F(net) = -14.4 + 4.54

F(net) = -9.86 N

Thus, by applying Coulomb's law between the charges, the net force on the charged particle q₁ due to particle q₂ and q₃ is -9.86 N.

Learn more about Coulomb's law here: brainly.com/question/24743340

7 0

2 years ago

Why football players boots have spikes their soleGive short and sweet answer​

Why football players boots have spikes their soleGive short and sweet answer