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`        Pls give the detailed solution...also give the answer.`
one month ago

Arun
22984 Points
```							The first one, the speed m/s of the child is 6.5. The slope is 4.5 degrees from the x axis, so you take the sine of 4.5 (make sure your calculator is in degrees) and multiply that by 6.5. Now multiply by one second. The second one, there's a formula for potential energy. I'm assuming it's saying the loss of potential energy per second, so just take t=0 and t=1. Rate of change should be constant
```
one month ago
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### Course Features

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