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Q1 If a steel old fashion clock is accurate at 20 Celsius (2 s per oscillation), what is the period of the clock in the summer (35 Celsius)?

 

Q2 How long does it take to heat 200mL water from 0 Celsius to 50 Celsius? Water density is 1kg/L and the power of microwave is 600W. Suppose the efficiency of the microwave is100%

 

I need you to show the work for each step and write a short comment for for on each step expalaining what you did 

    • 10 years ago
    • 3
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