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A hydraulic jump occurs in a 4-m-wide rectangular channel at a point where the slope changes from 3 m per 100 m upstream of the jump to h m per 100 m downstream of the jump. The depth and velocity of the uniform flow upstream of the jump are 0.5 m and 8 m/s, respectively. Determine the value of h if the flow downstream of the jump is to be uniform flow.
In a certain town the average yearly background radiation consists of 21.6 mrad of X-rays and gamma rays plus 3.62 mrad of particles having a QF of 6.29. How many mrem will a person recieve per year on the average?
A uniform, solid, spherical asteroid with mass 1.2 multiplied by 1013 kg and radius 1.0 km isrotating with a period of 5.5 hours. Ameteoroid moving in the asteroid's equatorial plane crashes intothe equator at 8.4 km/s.
A 92.1-kg person stands on a scale in an elevator. What is the apparent weight
The lowest frequency in the FM radio band is 87.5 MHz. What inductance is needed to produce this resonant frequency if it is connected to a 3.65 pF capacitor?
Explain how far x can a man who weighs 447 n from the right support which is 1.1 m from the right side of the board before the board tips?
The buckets have an initial acceleration of 4m/s upward. Find the tension in each of the ropes during this acceleration. After the initial acceleration the buckets move upward with constant velocity. Find the tension in each of the ropes in this cas..
An observer on Earth notes that a space craft has a speed of 2.96 x 108 meter per second as it heads towards a remote space station 5.75 x 1016 meter from Earth as measured by the Earth observer
A 66 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15° above the horizontal. what is the magnitude of the initial acceleration of the crate
A certain metal with atomic mass 2.6 × 10?25 kg has an interatomic bond with length 2.5 × 10?10 m and stiffness 45 N/m. What is the speed of sound in a rod made of this metal
The plates of a spherical capacitor have radii 51.5 mm and 56.4 mm. Compute the capacitance in microfarads. What should be the plate area in square centimetres of a parallel-plate capacitor with the same plate separation and capacitance?
find the angle counterclockwise relative to the horizontal.
The moon, mass 7.35×1022 kg, rotates around the earth in about 28 days. If the moon is about 3.84×105 km from the earth, What is the moons gravitational attraction (pull) on the earth
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