23000
1
around 45 MJ/kg
ya mum
2000 joules
The 7.75kg book as a PE of 113.93 joules and the 9.53kg book has a PE of 163.44 joules. A difference of 49.51 joules.
88,200 joules
83,000 joules
This box has potential energy of 98 Joules.
The unit for specific latent heat is J Kg-1(Joules per Kilogram)
A joule is defined as 1 kg being lifted 1 meter. Ergo 14 kilograms moved by 1 meter takes 14 joules.
2 767 680 000 000 - for an 80 kg person