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Schach [20]
3 years ago
9

I need help!! i’ll give 20 points

Physics
1 answer:
larisa86 [58]3 years ago
8 0

Answer:

780 m to travel north

Explanation:

6 m over = 750

53 degree so it will take about 2 min to reach the destination

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A 1-kg iron frying pan is placed on a stove. The pan increases from 20°C to 250°
timurjin [86]

Answer;

The temperature change for the second pan will be lower compared to the temperature change of the first pan

Explanation;

-The quantity of heat is given by multiplying mass by specific heat and by temperature change.

That is; Q = mcΔT

This means; the quantity of heat depends on the mass, specific heat capacity of a substance and also the change in temperature.

-Maintaining the same quantity of heat, with another pan of the same mass and greater specific heat capacity would mean that the change in temperature would be much less lower.

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3 years ago
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What item can be arranged to transform electrical energy to mechanical energy
meriva

Answer:

battery iron wire

Explanation:

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3 years ago
If 2.0 j of work is requiered to move 4 c of chsrge between two points in an electric firld, what is the potential difference be
djverab [1.8K]
2 J / 4 C = 1/2 joule per coulomb.

That's 1/2 volt.
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3 years ago
How do u calculate momentum
Helga [31]

Answer:

Explanation:

To calculate the momentum of a moving object multiply the mass of the object times its velocity. The symbol for momentum is a small p. So, the momentum of the object is calculated to be 8.0 kg-m/s. Note the unit for momentum.

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3 years ago
A child sits on the edge of a spinning merry-go-round that has a radius of 1.2 m. The child's speed is 5 m/s. What is the child'
Leya [2.2K]

Answer:

20.8 m/s^2

Explanation:

The centripetal acceleration of the child, which is moving by uniform circular motion, is given by

a=\frac{v^2}{r}

where

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Substituting the numbers into the equation, we find

a=\frac{(5 m/s)^2}{1.2 m}=20.8 m/s^2

3 0
3 years ago
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