1. What is the formula for acceleration
- acceleration=change in velocity/time taken
- acceleration=time taken/change in velocity
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2. What is the formula for efficiency
- efficiency= total energy produced/useful energy supplied
- efficiency=useful energy supplied/total energy produced
- efficiency=useful energy produced/total energy supplied
- efficiency= total energy supplied/ useful energy produced
3. what is acceleration measured in
4. What instrument is used to measure forces?
5. What are forces measured in?