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Masteriza [31]
3 years ago
15

Define What is Newton's third law of motion?

Physics
2 answers:
xenn [34]3 years ago
7 0
For every force in nature that there is an equal and opposite reaction
OlgaM077 [116]3 years ago
3 0

Answer:

I had that on 6th grade here u go

His third law states that for every action in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exerts an equal and opposite force on object A. Notice that the forces are exerted on different objects.

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Please send me solution of the question pls​
ELEN [110]

Answer:

20m

Explanation:

P.E=mgh

2000=10×10×h

2000=100h

Divide both side by 100

2000/100=20

4 0
3 years ago
Ehbwiuvuyevuhvwihbwijnwiubbs
skad [1K]

Answer:

what this please be clear

5 0
2 years ago
Which of the following is true of iron? a. It has the highest electrical conductivity of any metal. b. It can exist in many allo
melamori03 [73]

Answer: B

It can exist in many alloys, usually with a carbon base

Explanation:

Iron forms many alloys with a carbon base. Steel is an alloy of iron and carbon. There are many different types of steel needed for different applications. Various metals are added to tune the steel to the required properties. For instance, stainless steel contains 10-30% chromium in addition to iron and a low percentage of carbon. Steel remains an extremely versatile alloy used for many different purposes.

4 0
3 years ago
Read 2 more answers
A car travels in 300 km in 3 hours. What can be determined?
bazaltina [42]

Answer: If a car travels 300 km in 3 hours, then it’s speed will will be 100 km/hr. But in practical it depends upon type of car, condition of car, car's maximum speed and also the path in which car is travelling.. Because car can't travel in constant speed of 100 km/hr. So, if car have 120 km/hr as maximum speed than it's minimum speed will be 85–95 km/hr. And so the car travel 300 km in around 5 or 5 and half hours.

7 0
3 years ago
A 18.0−μF capacitor is placed across a 22.5−V battery for a few seconds and is then connected across a 12.0−mH inductor that has
Gelneren [198K]

Answer:

Part a)

i = 10.4 mA

Part b)

in this case the charge on the capacitor will become zero

Part c)

t_1 = 0.73 ms

Part d)

t = 2.2 ms

Explanation:

As we know that first capacitor is charged with the battery and then it is connected to the inductor

So here we will have

Q = CV

Q = (18\mu F)(22.5 V)

Q = 405 \mu C

Part a)

now since the total energy of capacitor is converted into the energy of inductor

so by energy conservation we can say

\frac{Q^2}{2C} = \frac{1}{2}Li^2

so maximum current is given as

i = \sqrt{\frac{L}{C}}Q

i = \sqrt{\frac{12\times 10^{-3}}{18\times 10^{-6}}}(405\times 10^{-6})

i = 10.4 mA

Part b)

When current is maximum then whole energy of capacitor is converted into magnetic energy of inductor

So in this case the charge on the capacitor will become zero

Part c)

Time period of oscillation of charge between the plates and inductor is given as

T = 2\pi\sqrt{LC}

T = 2\pi\sqrt{(18\mu F)(12 mH)}

T = 2.92 ms

now capacitor gets discharged first time after 1/4 of total time period

t_1 = 0.73 ms

Part d)

Since time period is T and capacitor gets discharged two times in one complete time period of the motion

so first it will discharges in T/4 time

then next T/4 it will get charged again

then next T/4 time it will again discharged

so total time taken

t = 3T/4

t = 2.2 ms

4 0
3 years ago
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