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anastassius [24]
3 years ago
5

If the velocity versus time graph of an object is a horizontal line, the object is

Physics
2 answers:
geniusboy [140]3 years ago
5 0
None of those choices is applicable. 'A' is the closest, but it doesn't really do the job. The object is moving with constant speed. If the horizontal line happens to coincide with the x-axis, then the constant speed is zero.
FromTheMoon [43]3 years ago
3 0
A. Moving with constant non-zero speed
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A stone was dropped off a cliff and hit the ground with a speed of 88 ft/s. What is the height (in feet) of the cliff
igor_vitrenko [27]

Answer:

the height (in feet) of the cliff is 121 ft

Explanation:

A stone hit the cliff with

speed, v = 88 ft/s

Acceleration, a= 32 ft/s^2

initial speed, u = 0 ft/s

height is h.

To solve this problem we will apply the linear motion kinematic equations, Equation of motion describes change in velocity, depending on the acceleration and the distance traveled

so, writing the formula of Equation of motion:

v^2 - u^2 = 2*a*h

substituting the appropriate values,

(88)^2 - 0 = 2*32* h

h=(88)^2 / 64

h= 121 ft

hence

the height (in feet) of the cliff is 121 ft

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1 year ago
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3 years ago
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