To solve this problem we will apply the concepts related to potential gravitational energy. This is defined as the product between mass, acceleration and change in height and can be expressed as,

Here,
m = Mass
g = Gravitational acceleration
= Height
Replacing with our values we have,


Therefore the change in gravitational potential energy is 883J.
Answer -
Wooden spoon: thermal insulator
Iron frying pan: thermal conductor
Plastic spatula: thermal insulator
Steel fork: thermal conductor
Hope this helps
Answer:
= 3.869 × 10^-6 J/m³
Explanation:
Intensity is given as W/m^2 which is equivalent to J/ (s*m^2)
Speed of light is 2.99792 × 10^8 m/s.
Therefore;
Electromagnetic energy per cubic meter = Intensity/speed of light
= 1160 J/ (s*m³)/ 2.99792 × 10^8 m/s.
<u>= 3.869 × 10^-6 J/m³</u>
#1
True
All metals attract magnets
#2
Yes true
Away from magnetic field if you place something it won't attract that
#3
False
Its only possible in case of electromagnetic force fields .
#4
False
Electromagnetic force field
#5
True