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Determine the rebound angle ? if the coefficient of restitution for the impact of the ball with the floor is 0.4.?=50 degrees
A charge of +6.0µC experiences a force of 2.0 mN in the +x-direction at a certain point in space. What was the electric field there before the charge was placed there
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 21.0 m/s. How long after being released does the stone strike the beach below the cliff
A rectangular fish tank measures 25 cm by 70 cm by 40 cm high. The tank is filled with water to a depth of 37 cm. What is the pressure at the bottom due to the water? What is the total force of the water on the bottom?
What is the smallest diameter spot the eye can produce on the retina if the pupil diameter is 4.50mm ? Assume light with a wavelength of = 510nm
Assume air resistance is negligible; from what height (in cm) above the compressed spring was the block dropped.
Two point charges lie along the y-axis. A charge of q1 = -9.5 %u03BCC is at y = 6.0 m, Locate the point (other than infinity) at which the total electric field is zero
Image intensifiers used in night-vision devices create a bright image from dim light by letting the light first fall on a photocathode. If light of wavelength 720nm strikes such a photocathode, what will be the maximum kinetic energy, in eV, of the..
A sample containing sulfur (atomic mass 32 u), manganese (55 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
In a double-slit experiment, slits separated by 1.240e-4 m are illuminated by a coherent 571 nm light source. What is the angular position of the first bright fringe
A car traveling east and a minivan traveling south collide in a completely inelastic collision at a perpendicular intersection. what is the speed of the vehicles immediately after collision
A surveyor starts at the southeast corner of a lot and charts the following displacements: A = 600 m, N; B = 400 m, W; C = 200 m, S; and D = 100 m, E. What is the net displacement from the starting point
A spherical concave lens has a focal length of 20cm, and an object is placed 15cm from the lens. estimate of the image distance and give image characteristics
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