A curved line going up indicates the object is

Physics

1 answer:

Vesna [10]3 years ago

8 0

Explanation:

Both graphs show plotted points forming a curved line. Curved lines have changing slope; they may start with a very small slope and begin curving sharply (either upwards or downwards) towards a large slope. In either case, the curved line of changing slope is a sign of accelerated motion (i.e., changing velocity).

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A uniform steel beam has a mass of 1800 kg. on it is resting half of an identical beam, as shown in fig. 9-44. what is the verti

Eddi Din [679]

Let the left end A and the right end B.
Let w = the weight of the full beam.
0 = -(w/2)*(L/4) - (w)*(L/2) + Fa*L
Fa = [(w/2)*(L/4) + (w)*(L/2)]/L = w/8 + w/2 = 5/8*w = 5/8*m*g = 5/8*1800*9.81 Fa = 11036.25 N
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3 years ago

After t = 0.38 s what is the speed of the block?

scoray [572]

$v = \frac{dx}{dt} = \int\limits^{t_2}_{t_1} {a} \, dt$

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4 years ago

How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another

pashok25 [27]

Answer:

4.95 seconds

Explanation:

It is given that the speed of the cars are constant and not accelerating

The relative speed between the two cars will be the difference in their speeds

$S_r=60-20\\\Rightarrow S_r=40\ km/h$

Converting to m/s

$1\ km/h=\frac{1}{3.6}\ m/s$

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Time = Distance / Speed

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3 years ago

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katrin2010 [14]

Answer:

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Explanation:

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3 years ago

"As you sit in a fishing boat, you notice that 12 waves pass the boat every 45 s. If the distance from one crest to the next is

Alchen [17]

Answer:

2.4564 m/s

Explanation:

Number of waves in 1 second

$\dfrac{12}{45}=0.267\ Hz$