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A converging lens has a focal length on both sides of 20 cm. An object is placed to the left of the lens at 60 cm. The object is 12 cm in height.
1) What is the image distance?
2) What is the lateral magnification?
3) What is the height of the image?
A certain solid-propellant model rocket engine releases a total of 6000 J of energy as it burns. what fraction of the chemical energy released by the engine
a parallel plate capacitor with plate separation d is connected to a battery. the capacitor is fully charged to q
A beam of light has a frequency of 367x1015 Hz. itis projected into a metal. Calculate the work function of the metal
Although physics problems often assume that inductors have zero resistance, actual inductors can, in fact, have appreciable resistance. What is the inductance of the inductor
A spherical bowling ball with mass m = 4 kg and radius R = 0.108 m is thrown down the lane with an initial speed of v = 8.8 m/s. How far does the bowling ball slide before it begins to roll without slipping
A thin film of MgF2 (n=1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500nm and 625nm.
A silver wire has a cross sectional area A = 2.0 mm2. A total of 9.4 × 1018 electrons pass through the wire in 3.0 s. What is the drift velocity of these electrons
A cyclist is using cranks with a length of 17cm and a front sprocket of radius 10cm. while standing up she places her body weight onto the forward pedal. the crank is initially horizontal and the force in the pedal is equal to body weight. cyclist..
q1. eight lights are connected in parallel to a 116 v source by two leads of total resistance 1.1. if 240 ma flows
Barometric pressure in the eye of a hurricane is 0.91atm (27.2 in of mercury). How does the level of the ocean surface under the eye compare with the level under the distant fair-weather region where the pressure is 1.0atm.
Three objects are connected on the table as shown in figure. The table is rough and has a coefficient of kinetic friction of 0.350. The objects have masses of 4.00 kg, and 2.00 kg, as shown, and the pulleys are frictionless.
A train engine weighs 5 times as much as aflatbed car. If the engine coasts at 3 km/hr into the boxcarthat is initially at rest and becomes coupled to the boxcar, how fast do the two move after the inelastic collision?
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