Sphere starts from rest and rolls without slipping problem
A sphere of radius r starts from rest and rolls without slipping along a curved surface, dropping through a vertical distance of 0.440 m. Find the final speed v of the sphere's center of mass.
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A 1.90 cm X 1.90 cm parallel-plate capacitor has a 2.40mm spacing. The electric field strength inside the capacitor is 1.50×10^5 V/m. A) What is the potential difference across the capacitor?
Calculate the mass of water in kg that can be heated for the soup. Is it worth heating the water to make the soup. How much thermal energy will each hiker receive if they drink all the soup.
Iron is biolagically important in the transport of oxygen by red blood cells from the lungs to the various organs of the body. In the blood of an adult human, there are approximately 2.60 x 10^13 red blood cells with a total of 2.90g of iron.
A mercury thermometer consists of a small glass bulb containing mercury metal connected to a glass capillary tube. when the volume of mercury increases, the mercury moves up the capillary.
Determine (a) the effectiveness of the regenerator, (b) the rate of heat removal from the refrigerated space, and (c) the COP of the cycle.
A 2.00L sample of O2 (g) was collected in a flexible container, like a balloon, over water at 25 degrees celcius and an atmostpheric pressure of 785 torr.
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A helicopter propeller blade starts from rest and experiences a constant angular acceleration of 14.5 rad/s2. Find the speed of a point on the blade 2.15 m from the axis of rotation when the blade has completed 16 revolutions.
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