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Question: Water runs into a fountain, filling all the pipes, at a steady rate of 0.785 m/s3.
Question 1: How fast will it shoot out of a hole 3.85 cm in diameter?
m/s
Question 2: At what speed will it shoot out if the diameter of the hole is two times as large?
Please explain the equations and steps and numbers are used to get the answer. Thanks!
The dimensions of a rectangular block of brass (Young's modulus9.0x1010 N/m2, shear modulus3.5x1010 N/m2) are 0.012 m, 0.024 m, and0.048 m.
With a gauge find the width of one of your fingers, also gauge the distance from the tip of your nose to your finger held upright at arms length. What is the angular size of your finger?
A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.1 m multiplied by 1.6 m. On a certain day, the indoor temperature is 20°C and the outdoor temperature is 0°C. What is the rate at which energy is transferred by heat during the gla..
In a simple series circuit a battery is connected through an ammeter to an electriclamp. A voltmeter is connected parallel to the lamp. The ammeterreads 0.75 A and the voltmeter 50 V. What is the resistance of the lamp neglecting the current drawn..
A centrifuge in a medical laboratory rotates at an angular speed of 3600 rev/min. When switched off, it rotates during 50.0 revolutions before coming to rest. Discover the constant angular acceleration of the centrifuge.
A 2.6-kg cart is rolling along a frictionless, horizontal track towards a 1.9-kg cart that is held initially at rest. What is the total momentum of the system of the two carts
A car is traveling at 45.0 km/h on a flat highway. what is the minimum distance in which the car will stop
A simple pendulum of length 2.5 m creates 5.0 complete swings in 16s. What is the acceleration of gravity at the location of the pendulum?
Must show all work and calculations!!!! A primitive yo-yo is made by wrapping a string several times around a solid cylinder with m=200g and r=10cm. Find the tension in the string and the acceleration of the cylinder
A cylindrical chamber, open at the bottom, is to be submerged in the ocean and used as a diving chamber, What will be the height h of the air in the cylinder
A grinding wheel of radius 0.370 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced with this force is 75.1 N· m. Discover the magnitude of the friction force..
Explain why the electron density of hydrogen is very nearly 6x10^26 electrons/kg. Explain why the electron density of all other low atomic number materials is nearly 3 x 10^26 electrons/kg. speculate why the electron density of materials might differ..
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