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A water pipe decreases in diameter from 16 cm to 8 cm. In the wider section the average velocity is 30.0cm/s.
a) what is the volume rate of flow in the wide section in m cube/s
b) voume rate in the narrow section in m cube/s
c) the average velocity in the narrow section.
An iron wire has a cross-sectional area equal to 3.50x10^-6 m2. Carry out the following steps to determine the drift speed of the conduction electrons in the wire, Calculate the drift speed of conduction electrons in this wire
X-rays are scattered from electrons in a carbon target. The measured wavelength shift is 0.00099 nm. Calculate the scattering angle
when a photoelectric surface is illuminated with f 437 nm , the stopping potential 1.67 v, what is the maimum speed of the ejected electrons
A 0.658-nm photon collides with a stationary electron. After the collision, Find the momentum of the electron
A 14-Ω coffee maker and a 14-Ω frying pan are connected in series across a 120-V source of voltage. Find the total current supplied by the source of voltage
question1an 8.00 point mass and a 15.0 point mass are held in place 50.0 apart. a particle of mass is released from a
2.0 kg block is attached to a spring with spring constant 22 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46 cm/s.
When a patient is being fitted with contact lenses, the curvature of the patient's cornea is measured with an instrument known as a keratometer. what is the radius of curvature of the patient's cornea
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^?2cm, Find its speed (vfinal) when it strikes the anode
Detailed explanation of string constraint relation on pulley based problems -
A 4 kg hammer is accelerated at 4m/s^2 before striking a nail for 1.6 sec find the force of the hammer
An artificial earth satellite has a circular orbit of radius 5.81 106 m (which means it is orbiting approximately -550 km above the surface of the earth) in an equatorial plane. Compute the (constant) speed of the satellite
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