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Advocard [28]
1 year ago
14

This is the third time I’m asking, please, On a wet road, is a higher coefficient of friction on the tires safer or a lower one

and pls explain I don’t get it
Physics
1 answer:
jenyasd209 [6]1 year ago
4 0

Answer:

higher is safer

Explanation:

because it is a wet slippery surface, you would need more friction on the tires, to get more traction in the slippery wet road, if you had low friction you would not move anywhere and or could swerve off somewhere

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The drawing shows three particles far away from any other objects and located on a straight line. The masses of these particles
tamaranim1 [39]

Answer:

A: 5.67*10^-5 N

B: 3.49*10^-5 N

C: -9.16*10^-5 N

Explanation:

\\A\\F_{A} = F_{BA} + F_{CA} =G*\frac{m_{b}*m_{a}}{r^2_{AB}} + G*\frac{m_{c}*m_{a}}{r^2_{AC}} \\\\= (6.67*10^(-11))*(\frac{363*517}{0.5^2} + \frac{154*363}{0.75^2})\\\\= 5.67*10^-5 N \\\\B\\\\F_{B} = -F_{BA} + F_{CB} =-G*\frac{m_{b}*m_{a}}{r^2_{AB}} + G*\frac{m_{c}*m_{b}}{r^2_{BC}} \\\\= (6.67*10^(-11))*(-\frac{517*363}{0.5^2} + \frac{517*154}{0.25^2})\\\\= 3.49*10^-5\\\\

F_{C} = -F_{CA} - F_{CB} =-G*\frac{m_{b}*m_{c}}{r^2_{BC}} - G*\frac{m_{c}*m_{a}}{r^2_{AC}} \\\\= (6.67*10^(-11))*(-\frac{517*154}{0.25^2} - \frac{154*363}{0.75^2})\\\\= -9.16*10^-5

7 0
3 years ago
PLZ ANSWER CORRECT! IF I GET THIS CORRECT I GET MY HUNTING PERMIT!
Cerrena [4.2K]
A. Greater than 1 mile
4 0
3 years ago
Explain how heat transfer is occurring through convection, radiation AND conduction in this picture.
frosja888 [35]

A cup of tea/coffee transfers heat via conduction, convection and radiation.

Conduction:

  • Heat transfer from a coffee to the spoon is in direct contact
  • Inner part of the tea cup against hot liquid will transfer heat to the outer part and saucer.

Convection:

Movement of molecules within the coffee. Hot molecules of the tea at the middle of the drink will be eventually make their way to the outer part of the drink near the tea cup, where they will loose their heat.

Radiation:

Thermal radiation is the loss of heat from a solid object in to atmosphere via the release of electromagnetic radiation. So hot outer edge of the teacup loss the energy to its surroundings via thermal radiation.

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3 years ago
Determine whether each object has potential energy, kinetic energy, or both
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Answer:

  1. stretched spring has potential energy
  2. a falling skydiver has kinetic energy
  3. a gallob of gasoline has potential energy
  4. rotating flywheel in a car in a car engine has kinetic energy
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2 years ago
An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a 115kg ball swings from a 20
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Explanation:

Below is an attachment containing the solution.

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