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When a match is lit the air surrounding it is ionized creating charged particles. Are these charged particles positive, negative, or both? explain?
Cube of ice is taken from the freezer at -8.5°C and placed in a 75-gram aluminum calorimeter filled with 300.0 grams of water at room temperature of 20.0°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cub..
a professor drives off with his car mass 860 kg but forgot to take his coffee mug mass 0.41 kg off the roof. the
A crane weights 10500kg and the wrecking ball is 800kg. the arm of a crane can extend to a lenght of 22m. Whats the max speed of the wrecking ball
Light with wavelength 595nm is incident on a 2.6?m wide slit. Find the angular width of the central peak in the diffraction pattern
An aluminum wire has the same resistance as a copper wire of the same length. Find the ratio of the aluminum wire's diameter tothe copper wire's diameter.
An electron (charge=-1.6x10^-19C) is moving at 3x10^5 m/s in the positive x direction. What are the magnitude and direction the magnetic force on the electron
A block of ice rests across the whole of a rectangular table. A wire on which we attach a 10 kg weight surrounds the ice. Explain why the wire will go through the ice block without the ice breaking into two pieces.
A 1.9kg block slides along a frictionless surface at 1.7m/s . A second block, sliding at a faster 4.9m/s , What was the mass of the second block
q1. a particle in an infinite tube.a a particle with mass m and energy e is inside a square with tube infinite
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 6.01 × 105 kg
Current passes through a solution of sodium chloride. In 1.00 s, 2.68×1016 Na+ ions arrive at the negative electrode and 3.92×1016 Cl? ions arrive at the positive electrode. What is the current passing between the electrodes
A copy-cat daredevil tries to reenact Evel Knievel's 1974 attempt to jump the Snake River Canyon in a rocket-powered motorcycle. What is the minimum launch speed required for the daredevil
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