With what minimum speed must you toss a 200 g ball straight up to just touch the 15-m-high roof of the gymnasium if you release the ball 1.1 m above the ground? Solve this problem using energy. Express your answer to two significant figures and include the appropriate units. vmin = nothing nothing

12000j is work done

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle

the answer is false. this is because for ice to melt, it requires latent heat of melting. latent heat means heat energy required to change phase without any increase in temperatures. therefore, the ice will take energy from the environment to melt hence atmospheric temperatures will reduce.