A fire hose exerts a force on the person
A fire hose exerts a force on the person holding it. This is because the water accelerates as it goes from the hose through the nozzle.
How much force is required to hold a 7.5 cm diameter hose delivering 420L/min through a 0.72 cm diameter nozzle?
Expected delivery within 24 Hours
The ball is released. Assuming that it rolls without slipping on the plane, what is the horizontal acceleration of the plane?
How much heat does this surface deliver to the water circulating in the collector when solar radiation is incident on the surface at a rate of 600 W/m2.
Calculate the pressure exerted by Ar for a molar volume of 1.42L mol-1 at 300.0 K using the van der Waals equation of state. The van derWaals parameters a and b for Ar are 1.355 bar dm6 mol-2 and 0.0320 dm3 mol-1,respectively.
A single conservative force acts on a 5.00 kg particle. The equation Fx = (2x + 4) N describes this force, where x is in meters. As the particle moves along the x axis from x = 2.20 m to x = 6.20 m, calculate the following. (a) the work done by th
Determine the rotation speed (in RPM) if the test is to simulate braking a bicycle traveling at a speed of 20 km/hour. The wheel diameter (including the tire) is 70 cm.
A sample of propane (C3H8) is placed in a closed vessel together with an amount of O2 that is 3.00 times the amount needed to completelyoxidize the propane to CO2 and H2O at constant temperature.
Two identical cars hit each other and lock bumpers. In each of the following cases, what are the speeds of the cars immediately after coupling bumpers? (a) a car moving with a speed of 90 km/h approaches a stationary car
A tall cylinder with a cross-sectional area 12.0 cm² is partially filled with mercury; the surface of the mercury is 5.00 cm above the bottome of the cylinder. Water is slowly poured in on top of the mercury, and the two fluids don't mix. Wha
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