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3 years ago

Find the x-component and y of this vector

Physics

1 answer:

pentagon [3]3 years ago

6 0

Answer:

Dx = - 74.82 [m]

Explanation:

In order to solve this problem we must decompose the horizontal and vertical axes using the trigonometric functions of the sine and cosine.

For the x component, we must use the cosine of the angle.

Dx = 101*cos(42.2) = 74.82 [m]

Now we must appreciate that the x component is going to the left therefore we have a negative component in the x-direction.

Dx = - 74.82 [m]

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A .025 kg bullet is moving at 350 m/s when it hits and then passes through a 7 kg block of wood. After the bullet passes through

slamgirl [31]

Answer:

The final velocity of the wooden block is equal to $1.035 m/s$

Explanation:

Given that mass of bullet = $m_{b} = 0.025kg$

Mass of wood = $m_{w} = 7kg$

Initial velocity of bullet = $u_{b} = 350m/s$

Final velocity of bullet = $v_{b} = 60m/s$

Initial velocity of wood = o

Final velocity of wood = $v_{w]$

Here momentum is conserved so initial momentum = final momentum

$m_{b}u_{b} = m_{b} v_{b} + m_{w}v_{w}$ .

Upon substituting these values in above equation , we get

$v_{w} = 1.035m/s$ .

7 0

3 years ago

How Many Negative (-) Electrons are there

makvit [3.9K]

Answer:

All electrons are negative(-) charged

5 0

3 years ago

As the mass of an object increases, it’s inertia will

Scrat [10]

Answer:

Inertia is the property of mass that resists change. Therefore, it is safe to say that as the mass of an object increases so does its inertia.

Explanation:

7 0

2 years ago

Read 2 more answers

5. Why did people change the Bronx River in the past?

liubo4ka [24]

when a glacier came through the Bronx approximately 240,000 years ago it blocked part of the original path of the Bronx river and subsequently reshaped and modified the path of the river over the past 200 years the rivers course has been altered dramatically by human impact and industry.

have a great day ☺

4 0

3 years ago

Question 14 (1 point)

Karo-lina-s [1.5K]

Answer:

car travel

precipitation

O temperature

Explanation:

Jet streams which is the ability of the object to move at a high speed due to its power is common among some given set of objects. Some are powered by the objects fuel while others are entirely different.

The above given options are actually affected by the jet streams.

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3 years ago