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Question1
A current experiment demonstrated diffraction of phthalocyanine molecules (514.54 g/mol). The molecules have a speed of 150 m/s. What is the distance, in mm, between adjacent minima in a double-slit experiment on a screen 10.00 cm at the back the slits spaced 50.0 nm apart?
Question2
A cab driver picks up a customer and delivers her 2.10 km away, driving a straight route. The driver accelerates to the speed limit and, upon reaching it, begins to decelerate immediately. The magnitude of deceleration is six times the magnitude of acceleration. Find out the lengths of acceleration and deceleration phases.
A cylindrical capacitor consists of a cylinder (of length L and radius a) with a total charge Q nested inside a thin conducting cylindrical shell (of length L and radius b) with total charge -Q
A dart is thrown horizontally with an initial speed of 16 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, How far away from the dart board is the dart released
A block of mass 16.7 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 4.89 m/s2. a) What is the tension in the cable? b) What is the magnitude of the net force acting o..
The barricade at the end of subway line has a large spring designed to compress 2.00 m when stopping a 1.00 x 10^5 kg train moving at 0,500 m/s. What speed would the train be going
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.67 m above the bottom of the chute and with an initial speed of 1.97 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding a..
Radium decomposes radioactively to form radon (atomic number 86, which is also the number of protons in the nucleus) by emitting an alpha-particle from its nucleus, What is the acceleration of the alpha-particle at this distance
A diver 32.0 m deep in 8.00 °C fresh water exhales a 1 cm diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where water temperature is 25°C? Hint: suppose the air bubble is always in thermal equilibrium wit..
Two children are playing a game. The rst throws a basketball straight up, and the second tries to hit it with a thrown baseball. What is the angular impulse on the basketball
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 50° with the normal to the wall. What is the beam's pressure on the wall
An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 5.24 m/s^2.
A pipe carrying 20°C water has a diameter of 2.4 cm. Estimate the maximum flow speed if the flow must be streamline
The plate on the back of a certain computer scanner says that the unit draws 0.44A of current from a 120V , 60Hz line. Find the root-mean-square current
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