Mathematics, 12.11.2019 13:31 cdubble04

Which of the following should determine whether you need to speed up or slow down?
a. how quickly you need to get somewhere
b. how far above the speed limit you are traveling
c. location of other vehicles in traffic
d. time of day

which of the following determines the total stopping distance of a vehicle?
a. human-perception time, human-reaction time, and vehicle-stopping time
b. human-reaction distance, braking distance, and stopping time
c. human perception distance, human-reaction time, and braking distance
d. human-perception distance, human-reaction distance, and vehicle-braking distance

you can raise a car's center of gravity by
a. putting more people in it.
b. filling the trunk.
c. loading a roof rack with items.
d. driving faster.

when driving on a crowned road, you can gain more control of your vehicle by (points : 2)
a. pulling the steering wheel to the left.
b. pulling the steering wheel to the right.
c. slowing down and steering slightly toward the center of the highway.
d. driving in the middle of the road.

Answers: 3

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Answer from: yeeet26

Which of the following should determine whether you need to speed up or slow down?
C. location of other vehicles in traffic

Which of the following determines the total stopping distance of a vehicle?

C. human perception distance, human-reaction time, and braking distance

You can raise a car's center of gravity by

A. putting more people in it.

When driving on a crowned road, you can gain more control of your vehicle by

C. slowing down and steering slightly toward the center of the highway.

Answer from: scastillo8

The total stopping distance of a vehicle is made up of 4 components.

Human Perception TimeHuman Reaction TimeVehicle Reaction TimeVehicle Braking Capability

You can raise a car's center of gravity by loading a roof rack with items.
A roof rack with load will indeed raise the center of gravity and make the vehicle more prone to tipping.
To be safe look at the vehicle's manual regarding load limit on roof rack, you never want to put too much up there, because it will raise the center of gravity on your vehicle, causing the vehicle to be more prone to tipping over on turns. Try to put as much as possible inside of the vehicle to keep the center of gravity lower.
Be careful, as raising the vehicle will also raise your center of gravity, which will make the vehicle a little more prone to tipping.

When driving on a crowned road, you can gain more control of your vehicle by slowing down and steering slightly toward the center of the highway***

Answer from: Quest

if the eqn of the parabola is f(x) = (x-4)(x+2), we need to mult. this out to find the coordinates of the vertex.

then f(x) = x^2 + 2x - 4x - 8, and f(x) = x^2 - 2x - 8.

one way in which you can find the vertex is to calculate x = -b / (2a). here, that comes to

)

x = = 1. f(1) = 1^2 - 2(1) - 8 = - 9. vertex is at (1, -9).

2(1)

find another point on the curve: let x=0, for which y=-8. then (0, -8) is on the curve. plot the vertex and this point and draw a smooth parabola thru both.

hope this

Use the parabola tool to graph the quadratic function f(x)=(x-5)^2+1 graph the parabola by first plo

Answer from: Quest

By j 8yrydyeydyd dhdhrhdhdh

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Which of the following should determine whether you need to speed up or slow down?
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