Today s electric generators work on the same principle as the dynamo invented by ____

What is the relationship between the kinetic energy of molecules in an object and the object temperature

andrew11 [14]

I think it might be friction

7 0

4 years ago

What is described as the flow of charged particles?

rodikova [14]

Answer:

An electric current

Explanation:

8 0

3 years ago

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What is the passengers velocity on the vertical drop of the tower of terror at Disney world if the distance for the drop is 50m,

andrey2020 [161]

Assuming constant acceleration due to gravity of $a=9.8\,\dfrac{\mathrm m}{\mathrm s^2}$ , and assuming the passengers start at rest, so that $v_0=0\,\dfrac{\mathrm m}{\mathrm s}$ , we have

$v=v_0+at\implies v=\left(9.8\,\dfrac{\mathrm m}{\mathrm s^2}\right)(5.5\,\mathrm s)=53.9\,\dfrac{\mathrm m}{\mathrm s}$

or 54 m/s if taking significant digits into account.

7 0

3 years ago

Which statement BEST compares the force of gravity on a school bus on a school day and a weekend? *

inna [77]

Answer:

(A) The force would be lower on the school day than the weekend.

Explanation:

In a school day the bus is on the road travelling with kids. But in a weekend it is parked. When a object stays still that means the the force which is working on the earth by the bus is equal to the force which works on the bus by the earth. we can understand it clearly by, Newton's second law of motion.

This pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. so as it is when it is balanced it is not moving.

And on a school day the bus is moving so it has a force pulling itself forward . so it means that the force which the bus has is greater than the gravitational force.

7 0

3 years ago

How much force is required to hold an empty carton of volume 1.5 L beneath the surface in a sink of water? Assume the carton is

Gwar [14]

Answer:

It will require 14.715 N of force to hold the cartoon beneath the water.

Explanation:

Given the the volume of cartoon is 1.5 liters.

We need to find the force required to hold this cartoon beneath the water.

As we know from the Archimedes principle that the net force is equal to the volume of liquid displaced.

Given volume of the cartoon is 1.5 liters. So, 1.5 liters of water will be displaced.

And we know the density of the water is $1000\ kg/m^3$ . That is $1\ kg/L$

And $g=9.81\ m/s^2$

$F_N=\rho Vg\\F_N=1\times 1.5\times 9.81\\F_N=14.715\ N$

So, it will require 14.715 N of force to hold 1.5 liter volume of cartoon beneath the water.

6 0

3 years ago

Today s electric generators work on the same principle as the dynamo invented by _____.