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Calculating the mass flow rate of the water discharged from a pipe. A pipe with a 2m diameter carries water having a velocity of 4 m/s. What is the mass flow rate of the water in kg/s at following temperatures?
a. 0°Cb. 30°C
Physics, Academics
Who suffers the most from cultural lag and why? What are some of the long term effects of this phenomenon?
What is the capacity of the axon of a spiking neuron, viewed as a communication channel, in bits per second? [See MacKay and McCulloch (1952) for an early publication on this topic.] Multiply by the number of axons in th ...
Each of the bodies shown is homogeneous and has a mass of 30 kg. Assume friction at all contact surfaces. Draw the fully dimensioned FBD for each body and determine the number of unknowns.
The height of an object above the ground at time t is given by Where v 0 is the initial velocity and g is the acceleration due to gravity. (a) At what height is the object initially? (b) How long is the object in the air ...
1. Water in a container is originally at 100 kPa. The water is subjected to a pressure of 120 MPa. Determine the percentage decrease in its volume. 2. Determine the height to which water at 68°C will rise in a clean capi ...
What is the relationship between media depictions of violence and the occurrence of violent crime in U.S. society?
1. If the current density passing through the n-type 1 ohm-cm Si bar is increased to 10 4 A/cm 2 and 10 5 A/cm 2 (by reducing the cross-sectional area, what are the drift times for an electron across a 1 mm long Si b ...
The voltage, V , in volts, in an electrical outlet is given as a function of time, t, in seconds, by the function V = 156 cos(120πt). (a) Give an expression for the rate of change of voltage with respect to time. (b) Is ...
The planet Saturn has a satellite, Calypso, which travels in an orbit of radius 2.950×108 m with a period of 1.89 days. Calculate the mass of Saturn from this information.
On a certain day the barometric pressure at sea level is 30.1 in. Hg, and the temperature is 70°F. The pressure gage in an airplane in flight indicates a pressure of 10.6 psia, and the temperature gage shows the air temp ...
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Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group
SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
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