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hichkok12 [17]
3 years ago
10

PLEASE HELP ME TIMED TEST!!!

Physics
2 answers:
Dmitry [639]3 years ago
8 0

Explanation:

\boxed{\sf{K.E = \dfrac{1}{2} \times m \times v^2}}

  • Here, K . E or Kinetic Energy is given as 14 J
  • Here, mass is 17 kg

Let's Do!

\boxed{\sf{14 = \dfrac{1}{2} \times 17 \times v^2}}

\boxed{\sf{\dfrac{14 \times 2}{17} = v^2}}

\boxed{\sf{ \sqrt{\dfrac{14 \times 2}{17}}= v}}

So, 1.283 m/s is the required answer.

malfutka [58]3 years ago
7 0

Answer:

56

Explanation:

I just want the points to be completely honest with you.  

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Hope this helps!

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During which two time intervals does the particle undergo equal displacement?
san4es73 [151]

Answer:

BC and DE

Explanation:

In the given figure, the velocity time graph is shown. We know that the area under v-t curve gives the displacement of the particle.

Area under AB, d_1=\dfrac{1}{2}\times 2\times 10=10\ m

Area under BC, d_2=\dfrac{1}{2}\times 2\times 4=4\ m

Area under CD, d_3=\dfrac{1}{2}\times 2\times 7=7\ m

Area under DE, d_4=\dfrac{1}{2}\times 2\times 4=4\ m

Area under EF, d_5=\dfrac{1}{2}\times 2\times 3=3\ m

So, form above calculations it is clear that, during BC and DE undergo equal displacement. Hence, the correct option is (c) "BC and DE = 4 meters".

4 0
3 years ago
A go-cart is traveling at a rate of 25 m/sec for 20 seconds. How far will the go cart travel?
notsponge [240]

Answer:

Distance travel by go-cart = 500 meter

Explanation:

Given:

Speed of go cart = 25 m/s

Time travel = 20 seconds

Find:

Distance travel by go-cart

Computation:

Distance = Speed x time

Distance travel by go-cart = Speed of go cart x Time travel

Distance travel by go-cart = 25 x 20

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4 0
3 years ago
What was the long-term effect of the Northwest Ordinance of 1787?
victus00 [196]

Answer:

Established a government for the Northwest Territory, outlined the process for admitting a new state to the Union, and guaranteed that newly created states would be equal to the original thirteen states

Explanation:

Goooogle, so I hope this helps somewhat

Also, isn't this a History question? You put physics lol

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