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A solid block is suspended from a spring scale. If the reading on the scale when the block is completely immersed in water is 34.0 N, and the reading when it is completely immersed in alcohol of density 806 kg /m3 is 34.7 N, what are the block's volume and density?
You have been asked to design a "ballistic spring system" to measure the speed of bullets. Find an expression for the bullet's initial speed
A solid sphere rolls without slipping when it is released from rest at the top of a ramp that is inclined at 34.0 degrees with respect to the horizontal, Calculate the magnitude of the sphere's acceleration, when the angle of the incline is 34.0 de..
A 3000 kg truck traveling north at 30 km/h turns east and accelerates to 48 km/h. What is the change in the truck's kinetic energy
The largest building in the world by volume is the Boeing 747 plant in Everett, Washington. What is its volume in cubic feet
q1. one closed organ pipe has a length of 2.55 m.a what is frequency of the note played by this pipe?b when a second
A van der Waals gas undergoes an isothermal expansion from specific volume v1 to specific volume v2. Calculate the change in the specific Helmholtz function for this process.
It's found that string is set into oscillation only at the frequency 880 Hz and 1320 Hz as the frequency of an oscillator is varied over the range 500-1500 Hz. What is the tension in the string.
A 20-kg block and a 10-kg ball are hung from the ceiling through a pulley as shown below, calculate the acceleration of the ball and the block
A battleship simultaneously fires two shells toward two identical enemy ships. One shell hits ship A, which is close by, and the other hits ship B, which is farther away. The two shells are fired at the same speed. Assume that air resistance is negli..
A 74.9-kg skier rides a 3180-m-long lift to the top of a mountain. The lift makes an angle of 17.0 ° with the horizontal
A 500g ball moving at (10.0cm/s, +x) collides with an identical ball at rest.The incoming ball scatters at 30 degrees with respect to the +x axis, What is the speed of the each ball after collision
Calculate the capacitance of a planet, assuming it is a spherical capacitor of radius R = 9050.0 km with charge distributed throughout the volume of the sphere
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