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A U-shaped tube, open to the air on both ends, contains mercury. Water is poured into the left arm until the water column is 16.7cm deep.
How far upward from its initial position does the mercury in the right arm rise? (In mm)
A lead shot of mass 600 gram is heated to 100oC and located in an aluminum can of mass 200 gram, which contains 500 gram of water initially, are 17.5 Celsius. Calculate what is the specific heat of lead
The contraction of the left ventricle (chamber) of the heartpumps blood to the body. estimate the force exerted by the ventricle at maximum pressure
Four identical metallic objects carry the following charges: +1.79, +6.21, -4.16, and -9.41C. The objects are brought simultaneously into contact, What is the final charge on each object
a block of mass m slides down a frictionless plane inclined at an angle with the horizontal. the gravitational force is
compute how much charge must be placed on the surface of a sphere of radius 0.31 m for the electric potential just above the surface to be 100 V. Assume that the charge is uniformly distributed.
An engine performs work as a function of time (t) according to the subsequent equation: W = a*t^5, where a is a constant. Find the time dependence of output power of this engine
Due to concerns about the salt water content in the estuary, the discharge in the channel needs to be varied to mimic tidal effects. This means that for 12 hours a day, the channel needs to carry a flow of 8m3.s1, and for the other 12 hours the fl..
Will burns a o.6-g peanut beneath50 g of water, which increases in temperature from 22° C to 50° C. what is the food value in calories per gram
How much energy is necessary to place three charges, each of 3.0 micro Coulomb's, at the corners of an equilateral triangle of side 2 cm.
A peregrine falcon dives at a pigeon. The falcon starts with zero downward velocity and dives with the free-fall acceleration. how long does it take the falcon to intercept the pigeon
A container of cross-sectional area 102 cm2 contains liquid of density 1.95 g/cm3 to a height of 6.60 cm above a small hole of area 1.00 cm2 in the side. Find the speed of the fluid as it leaves the hole
Planet Z is 1.00×104km in diameter. The free-fall acceleration on Planet Z is 10.0m/s2. What is the mass of Planet Z
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