Astar has a surface temperature of 30,000 k. at what wavelength does the peak radiation occur? 100 nm
97 nm
87 nm
0.01 nm

Mark saxby is set to kick the field goal to win the state championship for olathe east. he is 47m away from the goalposts, and he kicks the ball at a speed of 25.0m/s at an angle of 30.0°. if the cross bar on the goalposts is 3.00m above the ground, will the ball make it over the cross bar? and if it does make it, by how much will it clear?