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Julli [10]
3 years ago
7

When clothes are run through a dryer, they often become

Physics
1 answer:
klio [65]3 years ago
7 0

Answer:

The answer is 0.

The heat and friction of the dryer provide energy to separate the charges.

The electric force separates the charges from one another​

Explanation:

I believe the simplest solution would be to use dryer sheets. Teehee :)

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A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3.1 min, what is the average power delivere
exis [7]

Answer:

16.96 W

Explanation:

Power: This can be defined as the rate at which work is done by an object. The S.I unit of power is Watt(W).

From the question,

P = (F×d)/t....................... Equation 1

Where P = power, F = force, d = distance, t = time.

Given: F = 75 N, d = 42 m, t = 3.1 min = 3.1×60 = 186 s

Substitute these values into equation 1

P = (75×42)/186

P = 16.94 W

Hence the average power delivered by the child  = 16.96 W

4 0
3 years ago
What is the spring constant (in n/m) of a spring that stores 100 J of elastic potential energy when it is stretched 5 m?
kogti [31]

Answer:

8N/m

Explanation:

The elastic potential energy stored can be calculated using the equation:

elastic potential energy = 0.5 × spring constant × (extension)2

assuming it is not stretched beyond the limit of proportionality.

Then calculate using the values in the question:

100J = 0.5 × spring constant × 5²

200J = spring constant × 25

spring constant = 200J ÷ 25m²

spring constant = 8J/m²

spring constant = 8N/m

8 0
4 years ago
A net force is acting on an object. The object is moving in a
Hoochie [10]

Answer:

The object's velocity would increase due to the change in force.

Explanation:

4 0
3 years ago
Which best compares AC and DC?
Naily [24]
Yea im pretty sure its B
5 0
4 years ago
Read 2 more answers
Look at the two question marks between zinc (Zn) and arsenic (As). At the time, no elements were known
marissa [1.9K]

Answer:

Mendeleev predicted the atomic mass of each element along with compounds they each should form.

Explanation:

Based on other elements in the same group he predicted the existence of eka-aluminum and eka-silicon, later to be named gallium (Ga) and germanium (Ge).

6 0
3 years ago
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