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3 years ago

Why did President Franklin D. Roosevelt establish Social Security?

Physics

2 answers:

nlexa [21]3 years ago

7 0

Explanation:

Poverty and unemployment had increased greatly in the United States as a result of the Great Depression. The act was enacted in the context of the New Deal, which encouraged social benefit policies to be covered by a federal law designed to protect the elderly, unemployed, widows, and orphans.

Tanya [424]3 years ago

4 0

On this day in 1935, President Franklin D. Roosevelt signs into law the Social Security Act. Press photographers snapped pictures as FDR, flanked by ranking members of Congress, signed into law the historic act, which guaranteed an income for the unemployed and retirees.

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What is the difference in force of a car and a tractor

vodka [1.7K]

Answer:

See a tractor is more slow but has a greater force and a car is fast but has a slower force

Explanation:

so your answer is Tractors have more force then cars

6 0

3 years ago

What frequency is received by a stationary mouse just before being dispatched by a hawk flying at it at 24.7 m/s and emitting a

Montano1993 [528]

Answer:

f' = 3665.51 Hz

Explanation:

given,

speed of the hawk = 24.7 m/s

frequency of screech emitted by the hawk = 3400 Hz

speed of sound = 331 m/s

By Doppler's effect

$f' = (\dfrac{v}{v-v_s}})f$

f' is the frequency received by the mouse

v is the speed of the sound

v_s is the speed of the hawk

now,

$f' = \dfrac{341}{341-24.7}}\times 3400$

f' = 1.078 x 3400

f' = 3665.51 Hz

The frequency received by the stationary mouse is equal to 3665.51 Hz

6 0

3 years ago

What conditions are necessary for heat to flow?

IgorLugansk [536]

if it is heat flow through a metal, it would be necessary to have a conductor so that the electrons can flow through it (delocalised electrons).

In terms of radiation, it would require a good absorber of heat (e.g. a black surface) so that the thermal energy flows through on the surface area.

5 0

3 years ago

Which social scientist would be most likely to ask the question, “Are teenagers from all societies rebellious?”

liq [111]

A philosopher (i think) because he's asking a question about society.

4 0

3 years ago

Read 2 more answers

cle 2 of charge 4.00q are held at separation L 9.00 cm on an x axis. If particle 3 of charge q3 is to be located such that the t

belka [17]

Answer:

x=L/2 y=0 and the charge q3 is ¼ of the charge q

Explanation:

For this exercise we will use Coulomb's law.

F₁₂ = k q₁ q₂ / r₁₂²

From this expression we see that like charges repel and charges of different signs attract.

Let's apply this expression to our case, they indicate that the two charges are of equal magnitude and sign, therefore the force is repulsive, so that it is in equilibrium with a third charge (q₃) this must be of the opposite sign and be between the two charge (q)

let's apply Newton's second law to one of the charges, for example the one on the left

-F₁₂ + F₁₃ = 0

F₁₂ = F₁₃

k q₁ q₂ / r₁₂² = k q₁ q₃ / r₁₃²

q₂ / r₁₂² = q₃ / r₁₃²

q₃ = q₂ (r₁₃ / r₁₂)²

The problem indicates the charge q₁ = q₂ = 4 q and the distance between them is r₁₂ = L = 9 cm = 0.09 m, we substitute

q₃ = 4q (r₁₃ / L)²

Let's analyze the situation a bit that the charge 1 and 2 are in equilibrium with a single charge 3 this must be symmetrical between the two charge (the same force), therefore its position on the x axis must be r₁₃ = L/2 and how it is on the y axis = 0

let's substitute

q₃ = 4q (L / 2L)²

q₃ = 4q 1/4

q₃ = q

the charge q3 is ¼ of the charge q

5 0

3 years ago