asib1214
  • asib1214
Recall the last time you rode in a car. Describe the different types of motion that the vehicle underwent throughout the trip.
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Michele_Laino
  • Michele_Laino
different type of motion of the car are possible
Michele_Laino
  • Michele_Laino
those motions can be characterized by the shape of the road, and furthermore they can be characterized by the acceleration of the car. Here are some examples
Michele_Laino
  • Michele_Laino
let's suppose that our car is moving along a curve, with uniform speed, then the motion of our car is accelerated, even if its speed is constant along the time. That acceleration is called centripetal acceleration, sice it can be represented by a vector directed as the radius of that curve, an oreinted toward the center of that curve

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Michele_Laino
  • Michele_Laino
example #2 let's suppose that our car is moving along a straight rod, with uniform speed, then we can say that the motion of our car is a uniform straight motion
asib1214
  • asib1214
Can you help me with one more please, when an elevator is at rest on the 2nd floor and moves up to the tenth floor. What type of motion is that?!?!?!?!?!
asib1214
  • asib1214
linear?
Michele_Laino
  • Michele_Laino
since the elevator is moving with constant speed, then its motion is uniform and vertical
asib1214
  • asib1214
ok so what happens to the motion when my car is on a bumpy and elevated road.
Michele_Laino
  • Michele_Laino
can you make a drawing of your road?
asib1214
  • asib1214
suppose it's a straight but with a upward slope like this /
Michele_Laino
  • Michele_Laino
like this? |dw:1434212371379:dw|
asib1214
  • asib1214
yusssss
Michele_Laino
  • Michele_Laino
we have to distinguish two cases: case #1 if the speed of our car is constant, then we have a straight uniform motion case #2 if the speed is not uniform, say it is accelerated, with constant and positive acceleration, then the motion of our car is a straight accelerated uniformly motion
asib1214
  • asib1214
what other possible motions i can encounter while sitting in the passenger's seat???
Michele_Laino
  • Michele_Laino
another possible motion is a decelerated uniformly motion, when, for example, our car is approaching to a railroad crossing, our car has to be stop itself before to reach that railroad crossing
asib1214
  • asib1214
Thank you ssooooo much, stay cute and smart!!! :")
Michele_Laino
  • Michele_Laino
thanks!! :)
anonymous
  • anonymous
@asib1214 another is the normal force of the car exerted on you during a turn. you have an inertia/momentum and a natural tendency to travel in the direction you were. when the car starts turning, the car "gets in your way" and delivers a force equal to the centripetal force of the car in the turn.
anonymous
  • anonymous
medal me
asib1214
  • asib1214
don't get mad ata me for not medalling you cause i've already chosen my best response. HAHAHA LOL Next time for shore!!!
asib1214
  • asib1214
if an object has an initial velocity of 10m/s [N] and final velocity of 10m/s [S]. The object has clearly not accelerated. t/f and why
asib1214
  • asib1214
@Ehsan18
Ehsan18
  • Ehsan18
how do you define acceleration?
asib1214
  • asib1214
acceleration describes the change in velocity over time or the rate of change of velcity.
asib1214
  • asib1214
but styll can't the velocity change in the middle?!?!?!
Ehsan18
  • Ehsan18
but we take the initial and final values only! why describing a change!
asib1214
  • asib1214
my only concern was that even though the object started with 10m/s but still during the trip velocity might have changed and then ended up 10m/s in the end....
Ehsan18
  • Ehsan18
ah! whenever in physics and maths we find the change between two elements we deal with the initial and the final value!
asib1214
  • asib1214
it;s k thanks!!!
asib1214
  • asib1214
@Ehsan18 hey buddy do you know how'd i convert an acceleration of an object into km/h. For Example An object travels at an average acceleration of 7.2m/sec^2, how'd i convert that to km/hrs?!?!?! Thanks in advance!!!

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