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Young’s double slit experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.26 mm from the central maximum. Determine the spacing of the slits.
A bullet moving horizontally with a speed of 500 m/s strikes a sandbag and penetrates a distance of 10 cm. What is the average acceleration of the bullet while it is in the sand bag
A ball rolls off a table and falls 0.81 m to the floor, landing with a speed of 5.5 m/s. What initial speed must the ball have if it is to land with a speed of 6.3 m/s
The ball sinks to the point where none of it extends out of the water and remains submerged such that the child does not sink. The child has a mass of 36 kg. What is the diameter of the ball? Suppose for this problem that the ball has negligible m..
An astronaut is traveling in a space vehicle that has a speed of 0.480c relative to Earth. The astronaut measures his pulse rate at 76.0 per minute. What pulse rate does the Earth observer measure
Two packages at UPS start sliding down the ramp. Package A has a mass of 6.50 and a coefficient of kinetic friction of 0.19. Package B has a mass of 9.50 and the coefficient of kinetic friction of 0.140. How long does it take package A to reach th..
The position of a 50 g oscillating mass is given by x(t) = (2.0 cm) cos(5t), where t is in seconds. Determine the following. (a) The amplitude. (b) The period. (c) The spring constant. (d) The maximum speed
Forces of 4 N and 6 N act on an object. What is the minimum value for the sum of these two forces
Two identical wheels are moving on horizontal surfaces. The center of mass of each has the same linear speed. Determine the maximum height reached by each wheel as it moves up the incline
A traveler first drives 18.8 km east, then 31.8 km southeast, and finally 11.1 km south. Find the traveler's total displacement
A light ray strikes this material (from air) at an angle of 34.7° with respect to the normal of the surface. Calculate the angle of the reflected ray
A 1000 kg roller coaster car starts from rest from a hilltop 80.0 m above the ground, find the average frictional force between the car's wheels and the track
an auditorium measures 40.0m X20.0 m X 12.0 m. The density of air is 1.20 kg/m^3. find the weight of air in the room
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