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castortr0y [4]
2 years ago
11

A 5.00 kg wagon is being pulled along at 2.50 m/s. A 2.50 kg box is dropped in the wagon, which continues at the same speed. Wha

t was the change in momentum?
Physics
1 answer:
nasty-shy [4]2 years ago
3 0

Answer:

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Explanation:

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Why are you talking help in french wow u bad

Why are you talking help in french wow u bad

Why are you talking help in french wow u bad

Why are you talking help in french wow u bad

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Tanks of compressed gas must be kept away from heat sources. If a compressed–gas tank is heated too much, it may explode and cau
notka56 [123]

The answer to this question is A. As the gas gets hotter, the molecules gain energy and move farther apart, causing the gas to expand. This is because, whenever you heat a substance, (solid, liquid, or gas), the molecules in the substance will always move more rapidly causing the substance to expand and the molecules to move further away from one another.

4 0
3 years ago
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A proposed electric vehicle makes use of storage batteries as its source of energy. Its mass is 1560 kg and it is powered by 20
devlian [24]

Answer:

horse power is 5.1219 hp

Explanation:

Given data

mass = 1560 kg

batteries = 20

power = 11 V

current = 95A⋅h

average speed = 55 km/h

friction force = 250 N

to find out

the horsepower required

solution

we know that horse power formula that is

power =  force × speed     ....................1

here speed is 55 km/h = 55 × (1000/3600) = 15.28 m/s

and force = 250 N

put both these value in equation 1

power =  force × speed

power =  250 × 15.28

power = 3819.444 W = 3819.44 / 745.7 ) = 5.1219 hp

so horse power is 5.1219 hp

8 0
3 years ago
A ship tows a submerged cylinder, which is 1.5 m in diameter and 22 m long, at 5 m/s in fresh water at 208C. Estimate the towing
Scilla [17]

Answer: a) P = 120kw

b) P = 800kw

Explanation: Please find the attached file for the solution

8 0
3 years ago
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I am confused. Magnetic flux linkage and magnetic flux don't have the same definition, but they have same units. But there formu
ss7ja [257]

Answer:

magnetic flux linkage includes number of turns, N while magnetic flux has no N

Since number of turns are not significant to units, they become similar.

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2 years ago
A cylinder of mass 8.0 kg rolls without slipping on a horizontal surface. At a certain instant its center of mass has a speed of
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Explanation:

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