In a training, a 2-man bobsled team pushes a 215 kg bobsled across level ice with their respective forces. Athlete A pushes the sled with a force of 600 N at 30 degrees below horizontal, while athlete B pushes the sled horizontally with a force of 600 N. The athletes push the sled for a distance of 50m before jumping onboard. a) What's the work done on the sled by athlete A? b) What's the wortk done in the sled by athlete B? c)What's the work done in the sled by the normal force? d) If the two athletes push the sled with constant force, how fast will the sled be moving atr the end of that distance?