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Explain why it makes sense to multiply when changing from a larger unit to a smaller?
because you have to multiply to break it down into a smaller number
How will the angle of a ramp affect the speed of a car going down it?
The larger the angle of the ramp, the faster the car will go down it.
Why do you multiply to change from a larger unit to a smaller unit?
Example. (meters to millimeters) There are more millimeters in a metre(1000 to be precise) Therefore you multiply by 1000 to get from metres to millimeters That is wrong we don't want an example You have multiply because the larger unit has to broken down into plenty of smaller measurements or units. When you do that the number is multiplied into many smaller units.
What is the standard number for roman numerals mdcclxxxix?
1789 Let's break it down. I prefer upper case. First, M = 1000, D = 500, C = 100, L = 50, X = 10, V = 5 (not used in this one) and I = 1 If the smaller number is left of the larger number, the smaller is subtracted from the larger (ix or IX = 10 -1 = 9). If the smaller is right of the larger, add. M D C C L X X X I X only the last 2 (IX) have a smaller before a larger, so IX = 9, then the rest is added: 1000 + 500 + 100 + 100 + 50 + 10 + 10 + 10 + (9) = 1789
Does mass affect speed when you put pennies on a toy car and let go down a ramp?
Yes, As a Boy scout we would weight our cars so that they would travel faster.
