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makvit [3.9K]
3 years ago
6

If the average time it takes for the cart from point 1 to point 2 is 0.2 s, calculate the angle θ from the horizontal of the tra

ck. Assume the track is frictionless. Hint: use the definitions of acceleration and Newton’s second law.
Physics
1 answer:
inn [45]3 years ago
5 0

Answer:

hehe

Explanation:

I dont know because I am a noob ant study

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you and a friend setup an umbrella and chairs at a beach. your friend goes into the surf zone while you relax on the sand. sever
Dmitrij [34]

Answer:

Backwash effect

Explanation:

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Swash effect is caused by the upsurge of water up along the slopping front of the beach  and this same upsurge in water moves back into the beach in what is known as the backwash effect hence the movement of your friend form where they were in the surf zone to another position still within the surface zone is caused by the BACKWASH EFFECT

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3 years ago
A merry-go-round is spinning at a rate of 4.04.0 revolutions per minute. Cora is sitting 0.50.5 m from the center of the merry-g
dsp73

Answer:

angular speed of both the children will be same

Explanation:

Rate of revolution of the merry go round is given as

f = 4.04 rev/min

so here we have

f = \frac{4.04}{60} =0.067 rev/s

here we know that angular frequency is given as

\omega = 2\pi f

\omega = 2\pi(0.067)

\omega = 0.42 rad/s

now this is the angular speed of the disc and this speed will remain same for all points lying on the disc

Angular speed do not depends on the distance from the center but it will be same for all positions of the disc

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3 years ago
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