Study Question

A worker must move a crate that can be either pushed at a slight downward angle of 25° or pulled at a slight upward angle of 25° as shown in the diagrams. In both cases, the worker can exert a force of 360 N and the crate has a mass of 45 kg. Calculate th...

3 years ago

An amusement park ride consists of a rotating circular platform 8 m in diameter from which bucket seats are suspended at the end of 2.5 m chains. When the system rotates the chains holding the seats make an angle θ = 28° with the vertical. (a) What is the...

3 years ago

a) √-2^2+4^2 = √4+16 = √20 The general equation of a circle whose centre is (a,b) and radius r is: (x-a)^2 + (y-b)2 = r2 Therefore, the equation is x2 + y2 = 20.

3 years ago

1. Exothermic 2. Endothermic

3 years ago

3. Is released from the system 4. Requires energy to be absorbed into the system

3 years ago

5. The reaction is endothermic and H is negative

3 years ago

I think you mean side...s. So sides In that case to determine the perimeter you would add the sides together: P = s+s+s+s P = 9+9+9+9 P = 36

3 years ago

First find median: 61, 42, 52, 27, 35, 23 Step 1: 61 + 42 + 52 + 27 + 35 + 23 = 240 Step 2: Add up amount of numbers: 6 Step 3: Divide total by number amount: 240/6 = 40 Next steps: 2. Find the absolute value of the difference between each data value and...

3 years ago

A thesis statement is often included at the end of a paper's first paragraph. It provides a concise summary of of the main point or claim of the essay, research paper, etc. It is normally stated in a single sentence, although it may be restated elsewhere.

3 years ago

To begin, math should not be a required course as it causes stress. According to www.mathisntfun.com, math has been shown to raise a student's stress by 15%. You may argue that math is required beyond the fifth grade, but unless you want to be a mathemati...

3 years ago

1. Description 2. Sequence 3. Cause and effect 4. Compare and contrast 5. Problem and solution

3 years ago

Auditory learning is a method of learning in which a person learns by listening.

3 years ago

The expository essay is a type of essay in which the student is required to study a concept, analyze evidence, elaborate on the concept, and provide an argument about that topic in a clear and concise manner. Examples: 1) The "how-to" or "process" essay w...

3 years ago

30-19 = 11 so split the difference. It will be the same as 19 - 13 1/2

3 years ago

The horizontal asymptote at y=1 indicates that the numerator and denominator are of the same degree. The vertical asymptotes indicate that y = p(x) / (x+5)(x-4) for some quadratic polynomial p(x) The x-intercepts then dictate that y = a(x+6)(x-5) / (x+5)(...

3 years ago

The cart was stationary with a velocity of 0 m/s for the entire 7 seconds.

3 years ago

27900

3 years ago

Corn earworm has become resistant to many insecticides, meaning that no matter how much you add each year, it will not be able to tolerate the pesticide. Additionally, the best way to stop earworms is to dab a bit of vegetable oil on the silks of each cor...

3 years ago

There are eight planets in our Solar System (some say 9, some say 104, etc). The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

3 years ago

A hydrogen atom contains one proton, one electron, and no neutrons. Therefore, yes, as "That one girl stated above", there is 1 proton in a hydrogen 'adom'.

3 years ago

A) The advertisement convinces by giving facts, and a play would entertain by telling a story.

3 years ago

-k/15 = 17-20 -k/15 = -3 -k = (-3)(15) -k = -45 k = 45

3 years ago

45+x=568 x = 568 - 45 x = 523

3 years ago

I don't see any "figure below" , but I can surmise your figure shows a quarter circle in the first quadrant with a rectangle, whose base is along the x-axis, its height along the y-axis and it touches the quarter circle at (x,y) Area = xy = x√(36-x^2) or...

3 years ago

789 - x = 20 You have to isolate for x, meaning move the 789 to the right side (making it -789): -x = 20 - 789 -x = -769 The issue is x is negative, so we would divide by -1 to make -x, positive. What we do on one side, we do to the other. -x/-1 = -769/-1...

3 years ago

Since the equation will be linear, we only need two coordinates to write the equation. They are given, we can assign the values x = no. of units and y = rent: x1 = 50, y1 = 580 and x2 = 47, y2 = 625 Find the slope: m = (y2-y1)/(x2-x1) m = (625-580)/(47 -...

3 years ago