All categories

3 years ago

At the time of the founding of the country, most Americans worked as

Physics

2 answers:

igor_vitrenko [27]3 years ago

5 0

Answer:

D. farm workers

Explanation:

It is because when they started founding the country, people needed food and everything was based on agriculture and economy, and the main economy wat cotton and tobacco.

STatiana [176]3 years ago

4 0

Answer:

Farmers

Explanation:

At the time of founding our country most soldiers in the revolutionary war were farmers who were inexperienced.

You might be interested in

If the current through a 20-Ω resistor is 8.0 A , how much energy is dissipated by the resistor in 1.0 h ? Express your answer w

marshall27 [118]

Answer:

$P(3600)=593.247W$

Explanation:

First, let's find the voltage through the resistor using ohm's law:

$V=IR=20*8=160V$

AC power as function of time can be calculated as:

$P(t)= V*I*cos(\phi)-V*I*cos(2 \omega t-\phi)$ (1)

Where:

$\phi=Phase\hspace{3}angle\\\omega= Angular\hspace{3}frequency$

Because of the problem doesn't give us additional information, let's assume:

$\phi=0\\\omega=2 \pi f=2*\pi *(60)=120\pi$

Evaluating the equation (1) in t=3600 (Because 1h equal to 3600s):

$P(3600)=160*8*cos(0)-160*8*cos(2*120\pi*3600-0)\\P(3600)=1280-1280*cos(2714336.053)\\P(3600)=1280-1280*0.5365255751\\P(3600)=1280-686.7527361=593.2472639\approx=593.247W$

5 0

4 years ago

Which two elements define a story's setting?

Archy [21]

Answer:

the plot structure defines a story's setting

6 0

3 years ago

If the mass of a material is 115 grams and the volume of the material is 16 cm3, what would the density of the material be?

hjlf

Well, density is mass/volume. So what's 115 g / 16 cm3? That'll get you your density. Remember that density will be in g/cm3!

6 0

3 years ago

If a car is traveling at 35 mph how far will the car travel in 2.5 hours

Vanyuwa [196]

Answer:

87.5 miles

Explanation:

d = s * t

d = 35 * 2.5

d =87.5

4 0

3 years ago

The closer the particles are together, the ______ sound is able to move.

maksim [4K]

Answer:

Faster

Explanation:

The closer the particles are together, the faster sound is able to move.

Sound travels the slowest through the air because gas particles are more spread apart than liquids or solids.

Sound will travel the fastest through solids because the particles in solids are densely packed together.

4 0

3 years ago