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A straight horizontal garden hose 37.0 m long with an interior diameter of 2.10 cm is used to deliver 20oC water at the rate of 0.430 liters/s. Assuming that Poiseuille's Law applies, estimate the pressure drop (in Pa) from one end of the hose to the other.
How much work does the electric field do in moving a -7.7 microCoulomb charge from ground to a point whose potential is +positive 55V higher.
A tuning fork vibrating at 666 Hz falls from rest and accelerates at 9.8 m/s 2. How far below point of release is the tuning fork when waves of frequency 626.4 Hz reach the release point? The speed of sound in air is 339 m/s.
Atomic physics, you begin with 227 over 89. Then there is an alpha decay, What isotope is left after EACH of the decays
Two equally charged, 1.00 g spheres are placed with 2.00 cm between their centers. find the magnitude of the charge on each sphere
The sound level 23 m from a loudspeaker is 65 dB. What is the rate at which sound energy is produced by the loudspeaker
A 12-kg block initially slides at 18 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
An electron is at the origin. (a) Calculate the electric potential VA at point A, x = 0.160 cm. V (b) Calculate the electric potential VB at point B, x = 0.170 cm. V What is the potential difference VB - VA? V
You hold a ruler that has a charge on its tip 2 cm above a small piece of tissue paper to see if it can be picked up, What is the minimum charge required to pick up the tissue paper
A 250, 35-cm-diameter turntable rotates on frictionless bearings at 60. A 25 block sits at the center of the turntable. A compressed spring shoots the block thoroughly outward next to a frictionless groove in the surface of the turntable.
how much energy is lost through a window with a 1x2m^2 larg, 3 mm thick glass sheet, if temperature difference between outside
An electric blanket is connected to a 120-V outlet and consumes 110 W of power. What is the resistance of the heater wire in the blanket
The pilot of the spaceship measures the length of the moving ship as 30 meters. Establish its length as measured by a person on earth.
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