5. A 60-kg ice skater is standing on ice with ice skates (negligible friction). She is holding a flexible hose (essentially weightless) that directs a 2-cm-diameter stream of water horizontally parallel to her skates. The water velocity at the hose outlet is 10 m/s relative to the skater. If she is initially standing still, determine: (a) the velocity of the skater and the distance she travels in 5 s, (b) how long it will take to move 5 m and the velocity at that moment. Ice skater 10 m/s D = 2 cm

Recently a YouTube video surfaced showing a person using a leaf blower to propel themselves in a wheeled mop bucket. A typical leaf blower discharges air (p = 2.37 x 103 slugs/ft) from the nozzle with a velocity of 175 mph (1 mile = 5280 feet) and a flow rate of 385 ft/min. If the rolling friction (i.e. resistance) on the mop bucket (with rider) is taken to be approximately 10 pounds is the YouTube video possible? %3D NOZZLE AIR OUT AIR IN

Prob6 conveyor belt discharges gravel into a barge as shown at a rate of 40 m³/min. If the gravel specific weight 18860 N/m³ 120 lbf, what is the tension in the hawser that secures the barge to the dock? Conveyor belt F-10 ft/s Hawser, Dock Gravel Barge Gravel 20⁰ +

A storm drain has a maximum capacity of 120 L/min. During heavy rains, an influx of 240 L/min approaches the drain. Assuming the drain is cylindrical, by how much would the drain radius need to be increased to handle the heavier rainfall? Assume the water travels at the same linear speed in both drains.   The answer is 1.4. Please explain why   A 16 times greater   B 42 times greater   C 2 times greater   D 1.4 times greater