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viktelen [127]
3 years ago
8

1. Find the mass of an object with velocity 25 m/s and with a momentum 95 kg.m/s.

Physics
1 answer:
leonid [27]3 years ago
6 0

Answer:

m = 3.8 kg

Explanation:

p = m × v

95 = m × 25

25m = 95

m = 95/25

m = 3.8 kg

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4 years ago
How do I solve this step by step? I’m really confused
LekaFEV [45]

Step-#1:

Ignore the wire on the right.

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Write it down.


Step #2:

Now, ignore the wire on the left.

Find the strength and direction of the magnetic field at P,

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of current downward.

Write it down.


Step #3:

Take the two sets of magnitude and direction that you wrote down

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The total magnetic field at P is the SUM of (the field due to the left wire)

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4 0
3 years ago
2. You decide to lift a 25 kg box to a height of 3 meters. How much work will you do while moving
nadya68 [22]

Answer:

W = 735.75[J]

Explanation:

Work is defined as the product of force by distance. Therefore we can use the following equation.

W=F*d

where:

W = work [J] (units of Joules)

F = force [N] (units of Newtons)

d = distance = 3 [m]

But first, we must determine the force that is equal to the product of mass by gravity (weight of the body).

F=m*g\\F=25*9.81\\F=245.25[N]

W=F*d\\W=245.25*3\\W=735.75[J]

4 0
3 years ago
A B-52 bomber jet flies at a horizontal velocity of 286.2 m/s and at an altitude of 7500 m above the ground.
kykrilka [37]

Answer:

you need to divide 7500/286.2

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3 years ago
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6 0
3 years ago
Read 2 more answers
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