If the unemployment rate is rising, what part of the business cycle is the economy most likely experiencing? A. Peak
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The number of grams of gold you can purchase for $15 if Gold cost $8.00 per ounce is 53.26g
Dimensional analysis is a means of representing values using units.
From the question, we are told that Gold cost $8.00 per ounce, this means that:
$8.00 = 1 ounce
In order to calculate the amount in grams you can purchase for $15, we need to know the price in ounces first.
$15.00 = x
Divide both expressions
Next is to convert the ounces to pounds.
1 pound = 16 ounces
y = 1.875 ounces
y = 1.875/16
y = 0.1171875 pounds
Conver 0.1171875 pounds to kg
Since 1kg = 2.2 pounds
z = 0.1171875 pounds
2.2z = 0.1171875
z = 0.1171875/2.2
z = 0.053267kg
Finally, convert 0.053267kg to grams using the conversion rate
1kg = 1000g
0.053267kg = y
y = 0.05326 * 1000
y = 53.26g
This shows that the amount of grams you can purchase for $15 is 53.26g
Learn more here: brainly.com/question/11819069
15. Stored energy or energy due to position is known as gravitational potential energy . Gravitational potential energy is the energy due to the position of an object in a gravitational field.
16. The formula for calculating potential energy is
where m is the mass of the object, g is the gravitational acceleration and h the heigth of the object above the ground.
17. The three factors that determine the amount of potential energy in an object are :
- the mass
- the acceleration of gravity, g
- the height of the object relative to the ground
18. Potential energy is measured in units of Joules. Potential energy is a form of energy, so it is measured in Joules (J), which is the SI unit of the energy.
19 Mass must be measured in units of kilograms (kg). Mass is a scalar quantiy expressing the amount of matter in an object; the SI unit of the mass is the kilogram, kg.
20. Gravitational pull must be measured in units of Newton (N). Gravitational pull is a force, therefore it is measured in Newtons.
21. The value of the g constant (the acceleration of all objects due to gravity) on earth is
. The acceleration of gravity is the acceleration due to the force of gravity, pulling all objects towards the Earth's centre. Its value is slightly different at different locations on Earth.
22. Height must be measured in units of metres (m). Height is a length, and the SI unit of the length is the metre.
23. Kinetic energy is the energy matter has as a result of its mass
and speed. In fact, the kinetic energy of an object is given by
where m is the mass of the object and v its speed.
24. The more mass an object has the more Kinetic energy it has. As we can see from the previous formula, kinetic energy is proportional to the mass, so the more mass an object has, the more kinetic energy it has.
25. The more speed an object has the more Kinetic energy it has. As we can see from the previous formula, kinetic energy is proportional to the square of the speed, so the more speed an object has, the more kinetic energy it has.
26. The SI (metric) unit for energy is Joule and the symbol is J.