Answer:
The rock cycle describes how rocks change as a result of natural processes. The rock cycle forms new rocks using the crystallization, erosion and compaction processes. This makes the correct answer: D: all of the above. Igneous rocks for example are rocks formed from the crystallization( formation of rock crystals in cooling magma) of a liquid. Sedimentary rocks are formed by erosion. However, in order to form a sedimentary rock, the accumulated sediment must become compacted and cemented together.
Answer:
y = 5x + 6
Explanation:
we need to things to do this, the slope and the equation of a line
slope = change in y/ change in x
change in y = (-4 - 1) = -5
change in x = (-2 - -1) = -1
-5/-1 = 5
y = 5x + b
plug in a point
1 = 5(-1) + b
b = 6
y = 5x + 6
Answer:
The experimental apparatus shown in the figure above contains a pendulum consisting of a 0.66 kg ball attached
to a string of length 0.60 m. The pendulum is released from rest at an angle of 60 degrees and collides with a ball of mass 0.22 kg initially at rest at the edge of a table. The 0.22 kg ball hits the floor a distance of 1.4 m from the
edge of the table.
(a) Calculate the speed of the 0.66 kg ball just before the collision.
2.4 m/s
(b) Calculate the speed of the 0.22 kg ball immediately after the collision.
2.8/m s
(c) Calculate the speed of the 0.66 kg ball immediately after the collision.
1.5 m/s
(d) Indicate the direction of motion of the 0.66 kg ball immediately after the collision.
____ To the left __<u>X</u>__ To the right
(e) Calculate the height to which the 0.66 kg ball rises after the collision.
0.11 m
(f) Based on your data, is the collision elastic?
____ Yes __<u>X</u>__ No
Coefficient of elasticity of less than one means an inelastic collision.
Justify your answer.
Explanation:
See attached.
Acura cars have higher mpg while BMW has more variation in mpg.
From the histograms of mpg distribution for the two makes of car :
- ACURA has most of its values at the center of the distribution with it's tail more conspicuous to the right at a maximum mpg value of 40 and a minimum of about 17.5 to the left.
- BMW on the other hand has its mpg distribution more spread out towards both sides of the distribution, ranging from a minimum of about 3 mpg and to a maximum of about 37.5 mpg.
- Hence, we could infer that, the histogram plot of BMW is more dispersed and hence has greater variation than ACURA.
- Since ACURA has it's peak at the middle, with minimum and maximum mpg values of 17.5 and 40 respectively, which are sufficiently greater than the minimum and maximum mpg values of BMW (3.0 and 37.5 respectively). Then we can conclude that ACURA has greater mpg.
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