In a MacPherson strut-type rear suspension, the struts are bolted to the top of the spindles.
Answer the following statement true (T) or false (F)
True
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In oogenesis, three of the newly divided cells become what are known as ____________________ bodies, and only one cell becomes a viable egg
Fill in the blank(s) with correct word
The heating capacity of a calorimeter is known to be 4 kJ/°C, with negligible uncertainty. The number of dietary calories (kilocalories) per gram of a substance is given by C=cH(?T)/m, where C is the number of dietary calories,H is the heating capacity of the calorimeter, ?T is the increase in temperature in °C caused by burning the substance in the calorimeter, m is the mass of the substance in grams, and c=0.2390 cal/kJ is the conversion factor from kilojoules to dietary calories. An amount of mayonnaise with mass 0.40 ± 0.01 g is burned in a calorimeter. The temperature increase is 2.75 ± 0.02°C.
a. Estimate the number of dietary calories per gram of mayonnaise, and find the uncertainty in the estimate. b. Find the relative uncertainty in the estimated number of dietary calories. c. Which would provide a greater reduction in the uncertainty in C: reducing the uncertainty in the mass to 0.005 g or reducing the uncertainty in ?T to 0.01°C?
The chemical reaction in a fuel cell is called electrolysis
A) True B) False
Preload in bearings eliminates _____.
A. torque B. pressure C. breakage D. looseness