Mass of iron in a heat transference 0001

What mass of iron would need 1 450 cal of energy in order to raise its temperature by 19.7 ºC?

Converting temperature units 0001

If my temperature is 312 K, have I got fever?

Converting heat units 0001

Convert 3.67 kcal/g to J/g.

Conversion of temperature units 0001

Make the following conversions of units of temperature:

a) 36 ºC to ºF

b) 58 ºC to ºF

c) 149 ºF to ºC

d) 374 ºF to ºC

Kinetic energy 0001

An object of mass 2 kg is falling at 7 m/s. What is this object’s kinetic energy?