How long will it take Guard A to wind in a lane? a. b. How long will it take Guard B to wind in a lane?

A tank holds a large amount of water. A pipe is connected to the tank at the upper end and is open to the air at the lower end (see figure).The upper end of the pipe is h1 = 1.90-m above the ground. The lower end of the pipe is h2 = 0.570-m above the ground. The water at the upper end of the pipe has a speed of 0.640 m/s. The water at the lower end of the pipe has a speed of 8.50 m/s.What is the pressure in the water in the pipe at the upper end of the pipe?

A hydraulic piston has two surfaces which can move when a force is applied to them. On the left side, the piston surface is circular with a cross-sectional radius of 10 cm and on the right side it is square with a side of length 30 cm. A. If I push on the left side with 100 N of force, what total force will be exerted by the fluid in the piston on the right side? B. If I displace the piston on the left side by 18 cm, how far will the right surface move?

The plug has a diameter of 30 mm and fits within a rigid sleeve having an inner diameter of 32 mm. Both the plug and the sleeve are 50 mm long. The plug is made from a material for which E= 1 MPa, v=0.7. (Figure 1) Figure Part A Determine the axial pressure p that must be applied to the top of the plug to cause it to contact the sides of the sleeve. Express your answer to three significant figures and include appropriate units. HA P= Submit Part B Value 8 = Request Answer Also, how far must the plug be compressed downward in order to do this? Express your answer to three significant figures and include appropriate units. μÅ 3 Value Submit Provide Feedback Units Request Answer IWIC ? Units www. ?

A garden hose has an inner radius of 1 cm, is connected to a spray nozzle (radius: 0.4 cm). If this hose is connected to a house capable of  delivering 9 L/s, what is the velocity of the water in the hose?

7. A fuel oil tank is an upright cylinder, with radius 3 meters and height 13 meters. a. Assuming the tank is full, calculate the work required to pump the oil out a spout 1 meter above the top of the tank. Round to the nearest whole number, and include units with your answer. Note: W - Vpgd Density of the oil = 800 kg/m³. Acceleration due to gravity = 9.82 b. Is it true that it takes half as much work to pump the oil out of the tank if it's only half full? Explain why or why not.

A child is playing with a 0.5 kg ball in the swimming pool. The ball is made of a stiff rubber and has a radius of .25 m. Assume the volume of the ball does not change when held under water. What downward force must the child exert on the ball to hold it in equilibrium just below the surface of the water? a. b. How does this answer change if the child was holding the ball near the bottom of the pool (1.5 m down)?

Suppose you spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.561 x 10-3 m³/s and the diameter of the nozzle you hold is 5.73 x 10-3 m. At what speed v does the water exit the nozzle? = m/s Enter numeric yalue