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| A change of position in a particular direction. |
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| The displacement of an object in relation to objects considered to be stationary. |
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| The time rate of motion (aka the change in distance over the change in time) |
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| Speed over all randomly chosen intervals has the same value. |
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| Speed in a particular direction. |
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| Characterized by a constant voelocity. |
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| Characterized by a changing velocity. |
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| Represented by the slope of the tangent to a curve of a graph. |
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| Represents the magnitude and direction of a velocity. |
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| Diagonal of a velocity parallelogram |
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| A displacement is a vector quantity. This statment means that displacement has ..a.., ..b.., and point of ..c.. |
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a)speed
b)direction
c)reference |
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| If we compare the displacement of one object with respect to another, we can detect ____ motion. |
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| The slope of a line of a graph is the ration of the ..a.. component of the line to the corresponding ..b.. component. |
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| If distance in meters is plotted on the vertical axid of a graph and time in seconds is plotted on the horizontal axis, the slope of a line on the graph represents ..a.. in the units..b.. |
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| If a graph representing speed is a straight line, the speed is .... |
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| Average speed is calculated by ..a.. the total..b.. by the ..c.. |
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Definition
a)dividing
b)distance
c)elapsed time |
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Math
What is the average speed in km/h of an automobile that travels at 485km. in 6h. 30min? |
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Math
A straight river with parallel banks flows at 4km/h. A boat moves directly downstream rlative to the water at 11km/h. What is the velocity of the boat relative to the river bank? |
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Math
A straight river with parallel banks flows at 4km/h. If a boat moves directly upstream relative to the water at 9km/h, what is it's velocity relative to the river bank? |
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Definition
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Math
An object moves along a straight path 2.5m durring1.0s, 5.0m durring 2.0s and 7.5m durring 3.0s. What is its relocity? |
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| The distance from Denver to El Paso is 1142km. If the traveling time is 15.08h, what is the average speed? |
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| Because speed is completley described in terms of magnitude alone, it is a(n) ____ quantity. |
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| When a motion is at a particular speed in a particular direction, the term ____ is used. (speed / velocity) |
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| If ?d represents displacement durring the time interval ?t, the equationfor average velocity is... |
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Definition
| V(av)= ?d/?t when d= displacement and t=time |
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| The ration d/t at a particular instant is the ____. |
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| If the ration d/t is said to be constant, the motion is said to be ____. |
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| Since velocities require magnitude and direction for their description and they combine appropriately, velocities are _____ quantities. |
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| The rate of change of velocity is called _____. |
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| When the velocity ofa body increases or decreases the same amount in successive units o time, the acceleration is ____. |
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| Constant motion is described as _____ accelerated motion. |
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| An object that moves linearly 2.0m durrig the 1st seccond, 6.0m during the 2nd second, and 10.0m durring the 3rd seccond has and acceleration of ____. |
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| In terms of ?d and ?t, acceleration is expressed as ____. |
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| The acceleration due to gravity (is constant/ varies) over the earth's surface. |
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| What algebrai relationship expresses the displacement of an object in terms of its average velocity and elapsed time of travel? |
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| In cases of uniformly accelerated motion, how may the final velocity be expressed in terms of initial velocity, acceleration, and elapsed time? |
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| Durring any interval of time in which the initial and final velocities are known, how is the average velocity expressed algebreically? |
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Definition
V(av)=(Vf-Vi)/t when...
V(av) is average velocity
Vf is final velocity
Vi is initial velocity
t is time |
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Math
An automoile is accelerated from rest at the rate of 3.00m/s^2. What is the velocity at the end of 5.0s? |
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Definition
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Math
An automobile is accelerated from rest at the rate of 3m/s^2. What distance does the automobile travel in 5.0s? |
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Math
An object is dropped from a tower 80.0m high. Whith what velocityy does it strike the earth> |
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Definition
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Math
A motorbike has an initial velocity of 3.0m/s. If it is acclelrated at the rate of 0.5m/s^2 for 7.0s, what is the final velocity? |
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