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```
a car is moving with velocity 21 m\s for 20 s.calculate the acceleraion?

```
2 years ago

Arun
25768 Points
```							Dear student acceleration will be zero As acceleration is defined as the change in velocity with respect to time. but here velocity is constant hence no change. So acceleration is constant
```
2 years ago
Arun
25768 Points
```							Dear student acceleration will be zero As acceleration is defined as the change in velocity with respect to time. but here velocity is constant hence no change. So acceleration is 0
```
2 years ago
Tony
108 Points
```							We do acceleration as v/t but its actually change in velocity with resect to time. So, a = dv/dt.But here dv =0 so a =0 as v is constant.
```
2 years 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