Specific heat capacity of ice = 2,000 J/kg-°C latent heat of fusion of water = 334,000 J/kg specific heat capacity of water = 4,000 J/kg-°C As the ice is melting, the temperature of the ice-water mixture rises by __________
Fill in the blank(s) with correct word
zero
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A rad is that amount of radiation that:
a. produces 2.08 × 10^9 ion pairs per cm3 in air under standard conditions. b. deposits 8.76 × 10^–3 J of energy into 1 kg of air. c. deposits 10–2 J of energy into 1 kg of absorbing material. d. is also known as a rem.
At a point in space where the magnetic field is measured, the magnetic field produced by a current element
a. points radially away in the direction from the current element to the point in space. b. points radially in the direction from the point in space towards the current element. c. points in a direction parallel to the current element. d. points in a direction parallel to but opposite in direction to the current element. e. points in a direction that is perpendicular to the current element and perpendicular to the radial direction.
A long straight metal rod has a radius of 2.0 mm and a surface charge of density 0.40 nC/m2 . Determine the magnitude of the electric field 3.0 mm from the axis
a. 18 N/C b. 23 N/C c. 30 N/C d. 15 N/C e. 60 N/C
Infrared radiation causes your skin to tan
Indicate whether the statement is true or false