When 49.5 J of heat was transferred to 7.3 g iron at 22°C, the temperature of iron increases to 37°C. What is the specific heat of iron in J/g∙°C?

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A sample contains 24 g of radioactive isotope. how much radioactive isotope remains in the sample after 2 half-lives? A. 6 g B. 1.5 g C. 12 g D 3 g

How much force is required to move a sled 5 meters if a person uses 60 J of work?

Number 14.587020 to 4 significant digits.

A 2.4-m-diameter merry-go-round with a mass of 270 kg is spinning at 20 rpm. John runs around the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 34 kg.

A generator converts

The standard international unit of measurement S I for mass is the what

What is the stopping distance at night for a passenger vehicle traveling at 50 mph?

How does mass affect weight

Communicable diseases can be prevented by: