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If h1 = 0.43 cm and h2 = 4.14 cm and the blue liquid in the U-tube is water (1000 kg/m3), what is the density of the green liquid?
A very long uniform line of charge has charge per unit length 4.68C/m and lies along the x-axis. A second long uniform line of charge has charge per unit length -2.44C/m and is parallel to the x-axis at y1 = 0.410m. What is the magnitude of the net e..
Two 500 g spheres with equal positive charges are suspended by 10.0 cm long strings in a uniform electric field E = 2.00 x 106 N/C, If the charged spheres are in equilibrium when their strings make angles of 20.0. with the vertical, determine the c..
A salt shaker sits on a wheel that is turning at 20 rpm. If the wheel's diameter is 43 centimeter. Determine the acceleration of the salt shaker
A spaceship is coming directly toward you while you are in the international space station. You are told that the spaceship is shining sodium light. You have an apparatus that and resolve two closely spaced wavelengths if the difference is 0.55 nm. I..
question the activation energy for the reaction described byc4h8 g -----gt 2c2h4 g is 262 kjxmol-1at 600.0 k the rate
Suppose a lightwave that is linearly polarized in the plane ofincidence impinges at 30degrees on a crown-glass plate (nglass=1.55) in air. Compute the appropriate amplitude reflection and transmission coefficients, and the corresponding reflectanc..
A bullet of with a mass of 4.0 g and a speed of 650 m/s is fired at a block of wood with a mass of 0.095 kg. What is the speed of the bullet when it exits the block
An air track is tilted so that it makes a small angle with the horizontal. What is the magnitude of the acceleration for the air cart
An experimentalist wishes to probe the nucleus which can be approximated as a hard sphere having a radius of 10^-13 cm. How large must the probe beam intesity be if the target consists of 10^10 nuclei
A spherical balloon of volume 3.94 103 cm3 contains helium at a pressure of 1.15 105 Pa. How many moles of helium are in the balloon
At t = 0 a grinding wheel has an angular velocity of 23.0 rad/s. It has a constant angular acceleration of 31.0 rad/s2 until a circuit breaker trips at t = 2.00 s. From then on, it turns by 432 rad as it coasts to a stop at constant angular accele..
A weather emergency siren is mounted on a tower, 177 meters above the ground. On one hand, you would like to make the siren very loud so that it will warn as many people as possible. what is the maximum power that the siren can put out
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