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`        Plzz explian a, b and c part clearly in detail.....thank u`
4 months ago

Vikas TU
9499 Points
```							b. ​inthe following case volume of water striking the wall per sec=av    (a=cross section of the cylinder,v=velocity of water ie length of cyl striking per sec.but in this problem as water is making angle,volume of water striking per sec=av sin?mass striking /sec=avpsin?as bouncing back, so momentum change /sec=force=2mv   ;m=mass v= vel=2av2 pcostheta.
```
4 months ago
Vikas TU
9499 Points
```								The net orce is defined as the rate of chnge of momentum F = d(mv)/dt , This is the case of same velocity and changing mass so, F=-u*(dm/dt) , Hope this helps,
```
4 months ago
aswanth nayak
68 Points
```							  ​inthe following case volume of water striking the wall per sec=av    (a=cross section of the cylinder,v=velocity of water ie length of cyl striking per sec.but in this problem as water is making angle,volume of water striking per sec=av sin?mass striking /sec=avpsin?as bouncing back, so momentum change /sec=force=2mv   ;m=mass v= vel=2av2 pcostheta.	The net orce is defined as the rate of chnge of momentum F = d(mv)/dt , This is the case of same velocity and changing mass so, F=-u*(dm/dt) , Hope this helps,
```
3 months ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions