Question

A plastic bathtub has a mass of 71 kg and can contain a maximum volume of water of 278 L (1000 L=1m3). Any excess water added will drain through an overflow hole to prevent the tub from being overfilled. ded Water enters the bathtub through a tap, at a speed of 1.2 m/s. The tap has an opening area of 5.1 cm2. a. Show that the volume flowrate of water into the bathtub is about 0.61 L/s. b. How long will it take the tap to fill the bathtub with 278 L of water? The bath is filled to its maximum volume, and a person of mass 87 kg enters and sits in the bath, displacing 68 L of water through the overflow hole. c.. What force does the filled bathtub with person in it exert on the floor of the bathroom?

          A plastic bathtub has a mass of 71 kg and can contain a maximum volume of water of 278 L (1000 L=1m3). Any excess water added will drain through an overflow hole to prevent the tub from being overfilled. ded Water enters the bathtub through a tap, at a speed of 1.2 m/s. The tap has an opening area of 5.1 cm2. 
a. Show that the volume flowrate of water into the bathtub is about 0.61 L/s. 
 b. How long will it take the tap to fill the bathtub with 278 L of water? 
The bath is filled to its maximum volume, and a person of mass 87 kg enters and sits in the bath, displacing 68 L of water through the overflow hole. 
c.. What force does the filled bathtub with person in it exert on the floor of the bathroom?

Added by Mary A.

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