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Calculating Nozzle Flow Rate - Physics Forums for measuring velocity of water so we have to calculate velocity using head calculation or from stagnation pressure which we measure using a pitot tube Calculate Velocity from Head We can use Bernoulli's Equation to calculate velocity of a fluid from head Head is the distance from outlet to top of water V= 2gh V = Velocity m sec or feet per sec
Finding Velocity given x and y velocities - Physics Forums 1 How do you find the velocity of an object if you are given the x and y components of the velocity? 2 Not sure! 3 It makes the most sense to use the Pythagorean Theorem to find the magnitude then trig to find the angle, but I've got a classmate telling me you simply add together the x and y components Which is it?
How to find the initial velocity given only angle and distance traveled An object is shot (from a cannon) at an angle of 33 degrees and landed 85 m away Calculate the magnitude of the initial velocity (Hint:Look at the x direction and solve for Vox) Homework Equations Other questions I must answer If you have time, help with these would be great, however I think if I can just find the initial velocity I should be
Solving F=MA: Boat Acceleration, Distance, Velocity - Physics Forums Homework Statement A boat moves through the water with two forces acting upon it One is [F1x]=20000N forward push by the water on the propeller, and the other is [Ffrx]=2000n resistivive (friction) force due to the water around the bow (A) What is the acceleration of the boat? (B) If it
Understanding Angular Velocity: W = 2pi(f) - Physics Forums Can anyone explain to me how angular velocity (w) = 2pi(f) -->where f = frequency This is not a homework question involving numbers I'm reading a section on "the period of sinusoidal Nature of SHM" and I don't understand how they get this equation
Solving for distance using only initial velocity and coefficient of . . . At the early point (probably around chapter 4) of an "elementary physics" textbook, a student encounters problems where, given an initial velocity and coefficient of friction, the student is expected to provide the resulting final displacement This is a stage of the textbook where kinetic energy equations and "work" equations have not yet been
What is the four-momentum of a photon and its associated four-velocity? That definition of the four-momentum is nice, because it is a nice direct analogy of the usual Newtonian momentum However, as you note, the four-velocity of a photon is not defined, so that particular definition of the four-momentum is not useful for a photon However, even for a photon the following definition of energy applies:
Demystifying the Often Misunderstood Bernoullis Equation - Physics Forums As a sanity check, we can perform a thought experiment based on a force balance (momentum conservation) If the velocity increases from point 1 to point 2, then that acceleration must be the result of a force in the same direction Bernoulli’s equation tells us that the velocity increase corresponds to a decrease in pressure
The similar links A B and C D rotate about the fixed pins at A and C . . . Angular velocity represents the rate at which an object rotates and is typically expressed in radians per second It is a fundamental concept in rotational kinematics that relates the rotational motion of a rigid body to the linear velocity of its various points based on their distance from the rotation axis