During what era did the French and Indian War occur?

2 answers:

7 0

<span>French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war’s expenses led to colonial discontent, and ultimately to the American Revolution.</span>

frutty [35]3 years ago

5 0

The French and Indian war started in 1754 and it ended in 1763 with the Treaty Of Paris

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A student pushes a 12.0 kg box with a horizontal force of 20 N. The friction force on the box is 9.0 N. Which of the following i

wolverine [178]

Answer:

1 m/ $s^{2}$

Explanation:

The Net Force refers to the sum of all forces acting on an object. Hence,

Net Force of box

= 20 + (-9.0) [It is -9.0 as both forces are in different directions]

= 11.0 N

We also need to know that the net force on an object is equal to the product of the mass of the object and the acceleration of the object. Hence,

$F_{net} = ma$

11.0 = 12.0 $a$

$a$ = 1 m/ $s^{2}$ (nearest whole number)

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3 years ago

What is the horsepower of a 1,500 kg car that can go to the top of a 360 m high hill in exactly 1 min?

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Answer:

W = m g h work that must be done on car

P = W / t power that must be input (in Watts)

P = m g h / t = 1500 kg * 9.8 m/s^2 * 360 m / 60 sec

P = 88,200 watts

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1 year ago

How does the area of 0.3 m2 of iron change when heated from 20 ° C to 60 ° C?

DerKrebs [107]

Answer:

The quantitative relationship between heat transfer and temperature change contains all three factors: Q = mcΔT, where Q is the symbol for heat transfer, m is the mass of the substance, and ΔT is the change in temperature. The symbol c stands for specific heat and depends on the material and phase. The specific heat is the amount of heat necessary to change the temperature of 1.00 kg of mass by 1.00ºC. The specific heat c is a property of the substance; its SI unit is J/(kg ⋅ K) or J/(kg ⋅ ºC). Recall that the temperature change (ΔT) is the same in units of kelvin and degrees Celsius. If heat transfer is measured in kilocalories, then the unit of specific heat is kcal/(kg ⋅ ºC).

Explanation:

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3 years ago

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k0ka [10]

The change in internal energy of the system is +30 J

Explanation:

We can solve this problem by using the first law of thermodynamics, which states that the change in internal energy of a system is given by the equation:

$\Delta U = Q -W$