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Agata [3.3K]
2 years ago
5

Pls help meeee!!! will mark brainliest!!​

Physics
1 answer:
Vitek1552 [10]2 years ago
5 0

Answer:

water

is missing in above equation

hope it helps

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You apply a horizontal force of 25N to push a shopping cart across the parking lot at a constant velocity. a) what is the net fo
AlekseyPX

(a) The net force on the shopping cart is zero.

(b) The the force of friction on the shopping cart is 25 N.

(c) When same force is applied to the shopping cart on a wet surface, it will move faster.

<h3>Net force on the shopping cart</h3>

The net force on the shopping cart is calculated as follows;

F(net) = F - Ff

where;

  • F is the applied force
  • Ff is the frictional force

ma = F - Ff

where;

  • a is acceleration of the cart
  • m is mass of the cart

at a constant velocity, a = 0

0 = F - Ff

F(net)  = 0

F = Ff = 25 N

Net force is zero, and frictional force is equal to applied force.

<h3>On wet surface</h3>

Coefficient of kinetic friction of solid surface is greater than that of wet surface.

Since frictional force limit motion, when the frictional force is smaller, the object tends to move faster.

Thus, the cart will move faster on a wet surface due to decrease in friction.

Learn more about frictional force here: brainly.com/question/24386803

#SPJ1

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2 years ago
Question 2: Start-Up
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Answer:

The car starts moving in the positive direction at x = 0.2 seconds. Initially it moves very little, but it covers a greater distance with each time increment.

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When two capacitors are connected in parallel and then connected to a battery, the total stored energy is 6.9 times greater than
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Answer:

C1/C2 = 0.213 or C2/C1 = 4.68

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Please refer to the attached image for step by step explanation.

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An electron enters a region of uniform perpendicular en and bn fields. it is observed that thevelocity nv of the electron is una
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Which of the following is true of genes?
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