Answers
Answer:
B
Explanation:
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Related Questions
Discuss how the motion of the stunt cyclist relates to the forces acting on the stunt cyclist during the collision
Answers
Answer:
hello your question is incomplete hence I will give you a general answer on how a stunt cyclist performs his stunts successfully
answer ;
The stunt cyclist trying to perform some sort of stunt with the bicycle will be faced with some forces like the static fiction between the tires of the bicycle and wall and also a centripetal force.
In order to overcome the centripetal force the minimal grip of the bicycle must be equal to the weight and the speed at which the cyclist must go can be represented as :
[tex]V_{min} = \sqrt{\frac{r.g}{u} }[/tex]
Explanation:
The stunt cyclist trying to perform some sort of stunt with the bicycle will be faced with some forces like the static fiction between the tires of the bicycle and wall and also a centripetal force.
In order to overcome the centripetal force the minimal grip of the bicycle must be equal to the weight and the speed at which the cyclist must go can be represented as :
[tex]V_{min} = \sqrt{\frac{r.g}{u} }[/tex]
where ; r = radius of the tunnel where the stunt is to be performed
g = gravitational speed
u = coefficient of static friction
If the voltage of a circuit is 6V, and the power is 4W, what is its resistance?
Answers
Answer:
9 ohms
Explanation:
P = V²/R
R = v²/p = 6²/4 = 36/4 = 9 ohms.
The resistance is 9 Ohm.
To find the resistance, we need to know about the power in term of resistance and voltage.
What is the value of power in terms of resistance and voltage?We know that power=work/timeElectrostatics work is given as voltage ×charge. So, power=(Voltage×charge)/timeAgain, charge/time is given as current. So, power = Voltage×currentFrom Ohm's law, we know that current=voltage/resistance. So, power= voltage ²/resistance. What is the resistance, if power is 4W and voltage is 6V?Resistance in term of power and voltage is given as Resistance= voltage ²/powerSo, resistance=6²/4=36/4= 9 OhmThus, we can conclude that the resistance is 9 Ohm.
Learn more about the electrical power here:
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Which of the following correctly lists the parts of the water cycle?
Question 7 options:
Evaporation, condensation, temperature, precipitation, collection
Condensation, build-up, runoff, precipitation, collection
Runoff, precipitation, evaporation, melting, condensation
Evaporation, condensation, precipitation, runoff, collection
Answers
evaporation, condensation, precipitation, runoff, collection
What is the main reason people and bears slip and fall on ice, be careful when outside in the snow/ice.
Answers
Answer:
Both ice and snow have a lower coefficient of friction in comparison with grass, wood or pavement.
Explanation:
The main reason why people and bears, slip and fall on ice/snow is that both ice and snow have a lower coefficient of friction in comparison with grass, wood or pavement. We present below a comparative chart of coefficients of friction associated with different materials:
Material Coefficient of Friction - Static
Ice/Snow 0.05 - 0.3
Wood 0.2 - 0.6
Asphalt 0.5 - 0.7
Grass 0.3 - 0.5
An 6 kg object accelerating from 17 m/s to 10 m/s. What is the change in momentum of the object?
Answers
Answer:
- 42
Explanation:
m = 6kg
vi = 17 m/s
vf = 10 m/s
delta mv = ?
Formula
delta mv = m*(vf) - m(vi)
delta mv = 6(10 - 17)
delta mv = 6(-7)
delta mv = - 42 kg m/s
9. When we see the color of an object it absorbs all of the light colors except? _________________
The color it reflects The color it absorbs White light
Answers
it absorbs all ligj colour except black
5. Identify the reactants in this chemical equation:
2H3PO4 → HAP20, +H2O
Answers
Answer:
H=Hydrogen, PO4=Phosphate
Explanation:
Reactions are on the left side of arrow and products are on the right side of arrow.
What is a curved line in velocity time graph represent?
Answers
So what is the slope of a Vt graph represent? Well, slope is rise over run, aka delta V over delta t. That’s just the formula for acceleration.
We know the slope is changing, and the slope is acceleration, therefore we can say that the acceleration is changing.
It turns out that if you graph this changing acceleration with time, the acceleration changes at a constant rate - it’s linear, NOT a curve. (If you have specific values you could plot this, but if you’re just talking about general graphs, then just take my word for it).
In summary - if you’re velocity is changing at a non constant rate, then you’re acceleration must be changing (at a constant rate).
Hope this helped!
what is mass in physics
Answers
Answer:
Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force.
Explanation:
pls mark as brainliest
Answer:
Mass, in physics, quantitative measure of inertia, a fundamental property of all matter. It is, in effect, the resistance that a body of matter offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force.
Explanation:
Hope that helps! :)
What is the only part in our body we do not stretch?
Answers
Answer:
The quadriceps consists of four muscles: the skinny rectus femoris and the three huge “vasti” — vastus lateralis/intermedius/medialis. The vasti are only elongated by knee flexion, which is limited to about 120˚ when the calf hits the hamstrings. The vasti cannot be stretched strongly.
Answer:Masseter and temporalis
Why it’s unstretchable: The jaw can only open so far.
Why it’s a dang shame: Jaw tension is epidemic, and trigger points in these muscles cause a wide array of strange face and head pains, including toothaches, headaches, and earaches.
14. If 100 grams of sodium nitrate are dissolved in 100 grams of water
at 60 degrees C, is the solution formed saturated, unsaturated, or
supersaturated?
Answers
Answer:
Unsaturated
Explanation:
the solubility of sodium nitrate is at 60 C is 124g/ml therefore, putting 100 grams will not saturate fully.
The angle between the incident ray and the reflected ray from a mirror is 720.
Find the angle of incidence.
Answers
Answer:
when a ray of light is incident normally on a plane mirror the angle between incident and reflected ray is 0 degree or 180 degree
Explanation: