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Makovka662 [10]
4 years ago
5

A 2.8-kg physics cart is moving forward with a speed of 45 cm/s. A 1.9-kg brick is dropped from rest and lands on the cart. The

cart and brick move together across the horizontal surface. Assume an isolated system. what equation do i use to figure out the the final valocity
Physics
1 answer:
anzhelika [568]4 years ago
4 0

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The magnetising current in a transformer is rich in ______________ harmonic?
sukhopar [10]
The magnetizing current in a transformer is rich in 3rd harmonic. This is because harmonics are AC voltages and currents with frequencies that are generally higher. 
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3 years ago
Which are characteristics of mammals? Check all that apply.
Neporo4naja [7]

Answer:

one of the characteristics of a mammal is their several hollow bones another is their three chambered heart and the last is highly developed nervous system

Explanation:

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3 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.
5 0
3 years ago
Read 2 more answers
If a machine increases force it must apply the force over a long distance? True or false
Eduardwww [97]

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4 0
3 years ago
#1 a person weighs 540n on earth what is the persons mass.
bixtya [17]

Answer:

G on earth =10N/Kg

W= mg

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m= 54 Kg

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G on moon =1.6 N/Kg

#1

W= mg

W= 54 x 1.6

W=86.4 N

#2

W=mg

W= 66 x 1.6

W= 105.6 N

8 0
2 years ago
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