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An air bubble of 1.0-mm radius is rising in a container with vegetable oil of specific gravity 0.82 and viscosity 0.18 Pa · s. The container of oil and the air bubble are at 20° C where the density of air is 1.20 kg/m3. What is its terminal velocity?
A 25.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 20.00 m. When she is partway down the slide, Calculate the mechanical energy lost due to friction
q1. horse races once around a circular track in a time of 176 s with a speed of 26 ms. what is the radius of the
On a roller coaster ride the total mass of the cart - with passengers included - is 305 kg. Peak K is at 47.5 m above the ground, peak L is at 28.5 m. How much energy is lost due to friction between the two peaks
a piece of rock reads 2.776 N on a scale when in air, but 1.893 N in a fluid of unknown specific gravity. what is the density of the fluid
The tires of a car make 86 revolutions as the car reduces its speed uniformly from 88.0 km/h to 60.0 km/h. What is the angular acceleration of the tires in rad/s^2
The pressure on a 1 L-sample of water is increased from 1 atm to 200 atm, reducing its volume by 1%. Draw the pressure-versus-volume graph for this process
1. how many individual atoms are in a water molecule?2. when a container of gas is heated what happens to the average
In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.46 m. What was the direction of the mug's velocity just before it hit the floor
A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road. how fast can the truck be moving without the crate sliding
A model rocket with mass 1.62 kg starts from rest on the ground and accelerates upward with engine force 45.8 N. Find the work done by the rocket engine
what is the smallest value d can have before the string breaks?
Bacteria vary somewhat in size, but a diameter of 2.00?m is not unusual, What would be the volume (in cubic centimeters)
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