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aniked [119]
3 years ago
5

A 2.69-kg drone is flying over a lake. With both the x and y directions horizontal (that is, viewing the drone from above), the

drone's velocity changes from (3.26 m/s)i + (0.00 m/s)j to (7.22 m/s)i + (4.67 m/s)j in 6.22 s.
Physics
1 answer:
eimsori [14]3 years ago
4 0
bad bleep chanve 9922
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The purpose of the fraud fighter/ black light machine is to:
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The purpose of the fraud fighter or also known as black light machine is that it has the ability to check counterfeited bills. It is designed to be a detector with the counterfeited bills, plus, it is a way of verification. It is composed of a UV light, where in, making it have the ability to detect the counterfeited bills which is its task to do.

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pickupchik [31]

Answer:

22m/s

Explanation:

lowest part on the graph (closest to x-axis)

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Consider dropping a ball from rest. This ball moves from astate of high gravitational potential energy to one of lowgravitationa
Leni [432]

Answer:

From the negative to the positive cable.

Explanation:

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3 years ago
At a point between the earth and the moon, the magnitude of the force exerted on an object by the earth's gravity equals the mag
S_A_V [24]

1.62 m/s is the correct answer to the problem

8 0
3 years ago
The collision between a hammer and a nail can be considered to be approximately elastic. estimate the kinetic energy acquired by
Setler [38]

Here we can use momentum conservation as in this type of collision there is no external force on it

m_1v_{1i} + m_2v_{2i} = m_1 v_{1f} + m_2v_{2f}

now here we can say

m_1 = 10 g

v_{1i} = 0

m_2 = 550 g

v_{2i} = 3.5 m/s

now here we can say

10*0 + 550 * 3.5 = 10 v_{1f} + 550 v_{2f}

192.5 = v_{1f} + 55 v_{2f}

now by coefficient of restitution

for elastic collision we know that e = 1

v_{2f} - v_{1f} = e(v_{1i} - v_{2i})

v_{2f} - v_{1f} = 0 - 3.5

now by solving the two equation

56v_{2f} = 189

v_{2f} = 3.375 m/s

also we know that

v_{1f} = v_{2f} + 3.5 = 3.375 + 3.5 = 6.875 m/s

so final speed of the nail is 6.875 m/s


6 0
3 years ago
Read 2 more answers
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