3 years ago

Section 1 - Question 30

Physics

1 answer:

stira [4]3 years ago

3 0

Answer : A
Explanation: he is motivated to make the football team

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A bullet with an initial kinetic energy of 400 J strikes a wooden block where a 8000 N resistive force stops the bullet. What is

Sindrei [870]

Answer:

d = 0.05 [m] = 50 [mm]

Explanation:

We must remember the principle of conservation of energy which tells us that energy is transformed from one way to another. For this case, the initial kinetic energy is transformed into useful work that is equal to the product of force by distance.

$E_{k}=F*d\\400 = 8000*d\\d = 0.05 [m] = 50 [mm]$

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2 years ago

list 8 countries which have launched satellites into space and also list the name of the satellite which was launched by the cou

Alja [10]

Launch-capable countries
Order Country Satellite(s)
1 Soviet Union Sputnik 1
2 United States Explorer 1
3 France Astérix
4 Japan Ohsumi
10 more rows

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2 years ago

6. Draw conclusions: Newton’s first law states that an object in motion will travel at a constant velocity unless acted upon by

gavmur [86]

You can test if it’s true by holding a pencil in mid air over a table and the table is supposed to be the unbalanced forced that stopped the pencil from moving at the constant velocity it was going by.

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3 years ago

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show the trajectory of a body projected with an initial velocity vat an angle of departure thita is a paraboler

Jobisdone [24]

Answer:

Let me look up a couple of things regarding this question.

Explanation:

Then I will get back to you.

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2 years ago

In the past, most children who went sledding in the winter snow in Verland used wooden sleds with runners and steering bars. Ten

Dovator [93]

Answer:

(E) it seems like the best option

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2 years ago