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A ray of light is incident on the surface of a block of clear ice at an angle of 35.0° with the normal. Part of the light is reflected and part is refracted. Find the angle between the reflected and refracted light.
Pat Kinch used a racing cycle to travel 75.57 km/h. Suppose Kinch moved at this speed around a circular track. what was the radius of the track
A double-slit experiment is set up using a helium- neon laser (lamda=633nm). How thick is the glass
A projectile is launched at an angle of 60o with respect to the horizontal from the edge of a cliff which is 100 m high. Its initial speed is 30 m/s. find the displacement vector for the motion of the projectile
An electric motor rotating a workshop grinding wheel at a rate of 8.90 101 rev/min is switched off. Through how many radians has the wheel turned during the interval found in (a)
A convex spherical mirror has a radius of curvature of 10.6cm. Calculate the size of the image
A cart of mass M = 1.2 kg can roll without friction on a level track. A light string draped over a light, frictionless pulley connects the cart to a hanger with mass m = 0.5 kg. The cart is released from rest, allowing it to roll, pulled by falling h..
An electron moves from the initial position r = (0.1m)I to final position r=(0.2m)j. what is the surface charge density (i.e. charge per area) on the inner surface of the conducting sphere
A block of mass 0.2kg is moving with a speed of 5m/s on a horizontal surface enters a rough patch ranging from x=0.1m to x=2.01m. The retarding force Fy
Practical steam engines utilize 475°C steam, which is later exhausted at 300°C. What is the overall efficiency of the two engines
Helium is used to fill a balloon of diameter 31 cm at 23C and 1.5 atm. The mass of a helium atom is 4.0026 u, the conversion factor from u to kg is 1.66 × 10?27 kg/u, What is the average kinetic energy of each Helium atom
A camera is supplied with two interchangeable lenses, whose focal lengths are 41.0 and 150.0 mm. What is the height (including sign) of her image on the image sensor
A rectagular boat is overloaded so that the water level (in fresh wateer) is just one centimeter (1.0cm) below the top of the boat, what is combined mass of all the people and the boat combined
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