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Question: Four 75kg spheres are located at the corners of a square of side 0.60m. Calculate the magnitude and direction of the gravitational force on one sphere due to the other three.
initially a yoga ball is partially blown up and its surface area measured. afterwards it is filled completely and its
Air (density = 1.29kg/m^3) passes over the top and bottom surfaces of an aircraft whose effective wing area is 75.5m2. what is the mass of the plane
Two resistors are connected in a series to a 15V battery. The voltage drop across the first resistor is 3.5V, What is the resistance of the two resitors
a 5 kg block is placed at rest 5 m (as measured from the uncompressed spring) along a smooth 37degrees incline. How high is the next bounce
The hemisphere is placed on its flat surface, with the center directly over a 2.5 mm long line drawn on a sheet of paper. What length of line is seen by someone looking perpendicularly down on the hemisphere?
A loudspeaker of mass 19.0 kg is suspended a distance of h = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l= 3.50m. Illustrate what is the tension T in each of the cables?
To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the cornea-the front surface of the eye. Determine the radius of curvature of the cornea
Coherent light with wavelength 609nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3- {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of ..
If two tiny identical spheres attract each other with a force of 2.00 when they are 26.0 apart, what is the mass of each sphere
A lid is put on a box that is 14 cm long, 13 cm wide, and 8.0 cm tall and the box is then evacuated until its inner pressure is 7.3 104 Pa. How much force is required to lift the lid at sea level
Using Heisenberg Uncertainty Principle, estimate fastest possible decay lifetime for a nuclear decay with an energy scale 1MeV
A baseball (0.15 kg) and an electron both have a speed of 75 m/s. Find the uncertainty in position of each of these objects
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