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A roofing tile slides down a roof and falls off the roof edge 10m above the ground at a speed of 6m/s. the roof makes an angle of 30 degrees to the horizontal. how far from the exist point on the roof does the tile land?
Light from a helium-neon laser (633 nm) is incident on a single slit. Find the largest slit width for which there are no minima in the diffraction pattern
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
The ball is free from rest with the line taut and horizontal (θ = 90.0°). At what angle θ (measured from the vertical) would the fishline break.
A photon of wavelength 0.04400 nm strikes a free electron and is scattered at an angle of 33.0 ° from its original direction. Find the change in energy of the photon. Find the energy gained by the electron.
A spring with a spring constant of 40N/cm has a cage attachedto one end. How much work does the spring force do on the cage
A hot-air balloon is rising upward with a constant speed of 2.00 m/s. How much time elapses before the compass hits the ground
Explain the phenomenon of resonance. Use the phase of the interfering waves to determine the conditions for and location of constructive and destructive resonance
Name 6 of the first 12 elements that were isolated. Are most of these metals or nonmetals? List some of the first gaseous elements discovered. How did Humphrey Davy discover six new elements?
A 1.3 kg block of ice at -30oC is placed in thermalcontact with a 7 kg piece of Al at 280oC. Determine how much ice melts and its temperature
A carbon ion with a mass of 2e-26 kg enters a magnetic field moving perpendicular to the field at v=3x106 m/s. The charge on a ion is 1.6x10-19C. find the strength of the magnetic field
A plastic disk of radius 10 cm is spinning at 120 rpm. What is the magnitude of the centripetal acceleration of the outer rim of the disk?
A 120g ball moving at 0.50 m/s in the + x direction is subject to a 0.25 N force in the - y direction for 2.5 s, Find the balls final speed
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