Someone help please 1 You are cycling along a flat road. a Are you moving up or down? b What is the force that is pulling you downwards? c There is a force from the road acting on the bike. Is this force acting upwards or downwards?

Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

What are atoms of the same element with varying number of neutrons