11. [1/2 Points] DETAILS PREVIOUS ANSWERS OBINPHYS8 6.P.017. MY NOTES ASK YOUR TEA A sonic depth gauge is placed 5.2 m above the ground. An ultrasound pulse sent downward reflects off snow and reaches the device 0.027 seconds after it was emitted. The air temperature is -20C. (a) How far (in m) is the surface of the snow from the device? (Round your answer to at least three significant figures.) 4.3038 x m (b) How deep (in m) is the snow? 896 m Need Help? Read It