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3 years ago

8

Looking at this skier. If ht travels from point A to point B, then turns around and stops at point C, what is her total displace

ment?
A:180 m
B:320 m
C:100 m
D:40 m

2 answers:

trasher [3.6K]3 years ago

8 0

D. I just answered that question for someone else

never [62]3 years ago

8 0

D. 40 m is the correct answer

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Answer:

D = 25 miles

Explanation:

To solve this problem, we just need to know how much time it took both bicyclists to collide and that will be the same amount of time that the bee flew at 25miles per hour. With those values we could calculate the distance it traveled.

Since both bicyclists collide, we know that Xa=Xb, so:

Xa = V*t = 10*t and Xb = 20 - V*t = 20 - 10*t

10*t = 20 - 10*t Solving for t:

t = 1 hour Now we can calculate the distance for the bee:

D = Vbee * t = 25 * 1 = 25 miles

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2 years ago

Among the alkali earth metals, the tendency to react with other substances

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Answer D
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2 years ago

The 88-lb force P is applied to the 210-lb crate, which is stationary before the force is applied. Determine the magnitude and d

Marina86 [1]

Answer:

$F=-88Ib$

Explanation:

From the question we are told that:

Force P=88Ib

Mass of crate M_c=210Ib

Generally the equation for Frictional force F is mathematically given by

$Friction\ force (f) = friction\ coefficient\ (u) * Normal\ reaction (N)$

$F=u*N$

with $\mu =0.47$

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Therefore since Static Friction supersedes applied force body remains at rest.

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2 years ago