ecit Flashcards
how to calculate an average?
adding a group of numbers and then dividing by the count of those numbers. For example, the average of 2, 3, 3, 5, 7, and 10 is 30 divided by 6, which is 5.
difference between diameter and radius
The radius is half of the diameter; 2r=d 2 r = d . The line segment that joins two points on the circle is a chord.
Find volume of a box?
multiplying length x width x height.
find area of square of rectangle
ultiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
how to use a tape measure?
the end tab at one end of the item or space you want to measure, then pull out the tape until you get to the other end. Then, take a measurement reading. To determine the length, you’ll need to add up the increments. If your item is exactly, say, 3″ or 3′, it’s much easier.
how many inches are in a foot
12in in 1 foot
which best describes weight
the force of an object due to gravity
the correct magnitude, vector of units of g is
-98 m/s^2
in order for an object to move which of the following must act
force
the force of an object is a product of the objects _______ and ______
mass’ acceleration
which best describes impulse?
a change in an objects momenum
what is the total weigh of four kegs of nails if each keg weighs 100 pounds?
400
how many feet are there in 100 inches?
8 1/3
specialty treated wire sells for 70 per yard. WHat is the cost of 54 inch of wire?
1.05
a piece of metal is 1/8 thick is placed between two blocks each 1/2 thick. what is the thickness of three pieces together?
5/8
