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qaws [65]
3 years ago
14

When is a hypothesis developed in the scientific method?

Physics
2 answers:
ivanzaharov [21]3 years ago
7 0

Answer:

aren't there pics ?

Explanation:

shtirl [24]3 years ago
6 0

Answer:

D. After a question is when you do your hypothesis. I've done many science projects so I know this is right

Explanation:

The hypothesis is written as a prediction of the outcome of the experiment

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A toaster is plugged into a 132 volt household circuit it draws the amps of current If you use a toaster 2 hours a week how much
Ne4ueva [31]
There is a missing data in the text of the problem: the current drawn is 0.5 A (found on internet)

Solution:
The power used by the toaster is the product between the voltage V and the current I:
P=VI=(132 V)(0.5 A)=66 W=0.066 kW

The toaster is used for a time of 2 hours: t=2h, therefore the energy used is equal to
E=Pt =(0.066 kW)(2 h)=0.132 kWh
8 0
3 years ago
An object moves with constant velocity .<br><br> •1st law<br> •2nd law
denis23 [38]

Answer:

An object moves with constant velocity .

Explanation:

•2nd law

4 0
3 years ago
Consider the space between a point charge and the surface of a neutral spherical conducting shell. If the charge sits at the cen
Furkat [3]

Answer:

True

Explanation:

If a thin, spherical, conducting shell carries a negative charge, We expect the excess electrons to mutually repel one another, and, thereby, become uniformly distributed over the surface of the shell. The electric field-lines produced outside such a charge distribution point towards the surface of the conductor, and end on the excess electrons. Moreover, the field-lines are normal to the surface of the conductor. This must be the case, otherwise the electric field would have a component parallel to the conducting surface. Since the excess electrons are free to move through the conductor, any parallel component of the field would cause a redistribution of the charges on the shell. This process will only cease when the parallel component has been reduced to zero over the whole surface of the shell

According to Gauss law

∅ = EA =-Q/∈₀

Where ∅  is the electric flux through the gaussian surface and E is the electric field strength

If the gaussian surface encloses no charge, since all of the charge lies on the shell, so it follows from Gauss' law, and symmetry, that the electric field inside the shell is zero. In fact, the electric field inside any closed hollow conductor is zero

8 0
2 years ago
the rock of 10 kg is falling near the Earth's surface.assume that g =10N/kg and the is no air resistance. what is the accelerati
Ivanshal [37]

Answer:

kya faltu sawal h repetitive g=10N/kg

5 0
3 years ago
A pure substance that is made of only one kind of atom is called _________.
Nina [5.8K]
A pure substance that is made up of only one kind of atom is called an element
3 0
3 years ago
Read 2 more answers
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