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An oak barrel with a lid of area 0.20 m2 is filled with water.A long, thin tube of cross-sectional area 5.0 X 10-5 m2 is insertedinto a hole at the center of the lid, and water is poured into thetube. When the water reaches 12 m high, the barrel bursts.
a. What was the weight of the water in the tube?
b. What was the pressure of the water on the lid of the barrel?
c. What was the net force on the lid due to the waterpressure?
A bullet is shot vertically up with v0 from ground level. The definition of vertical is by a plumb bob, find the location where the bullet returns to the ground
Based on EPA estimated carbon credits value of $70 per metric ton of carbon in 2050, estimate the financial value of the carbon market for the coal-fired electricity system in the US. Briefly put that dollar value in perspective.
Consider a steel container that can hold a maximum of 0.2 m3 of ethanol at a temperature of 30°C. how much more ethanol can be put into the container
Percy did 1000 joules of work and exerted a power of 2 watts. How many seconds did Percy take to do his work
q1. an electric field of 220000 nc points due west at a certain spot. what is the magnitude of the force that acts on a
Calculate the blackbody temperatures (K) from the peak wavelengths given in a) through b), and the peakwavelengths (m) from the temperature given inc)
A flat coil enclosing an area of 0.07 m2 is rotating at 56 rev/s, with its axis of rotation perpendicular to a 0.17 T magnetic field. If there are 998 turns on the coil, what is the maximum voltage induced in the coil?
A 50.0-kg boy runs at a speed of 10.0 m/s and jumps onto a cart, what is the mass of the cart
On an essentially frictionless horizontal ice-skating rink, a skater moving at 2.6 m/s encounters a rough patch that reduces her speed by 48 % to a friction force that is 20 % of her weight
An airplane propeller is rotating at 1250rpm. Compute the propeller's angular velocity
A 63.5kg astronaut is doing a repair in space on the orbiting space station. She throws a 2.35kg tool away from her at 3.60m/s relative to the space station. With what speed will she begin to move\\
Why is surface wind always directed at some angle across sea-level isobars toward lower pressure? Why is the surface wind directed across the sea-level isobars at a greater angle in Madison than over the middle of Lake Michigan.
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