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A biology student utilizes a simple magnifier to examine the structural features of the wing of an insect. The wing is held 3.75 cm in front of the lens, and the image is formed 26.0 cm from the eye.
a) What is the focal length of the lens?
b) What angular magnification is achieved?
A piece of glass has a temperature of 85.8° C. Liquid that has a temperature of 43.0° C is poured over the glass, completely covering it, determine the specific heat capacity of the liquid
A current I =13 A is directed along the positivex-axis and perpendicularl to a magnetic field. A magneticforce per unit length of 0.14 N/m actson the conductor in the negative y-direction.
question a concrete cube 0.5 meters on each side is lowered beneath the surface of a lake. at what depth is the water
A 1 mF, a 2 mF, and a 3 mF capacitor are connected in parallel, the combination being connected across a 9 volt battery. Which capacitor has the greatest voltage
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. Determine the intensity level of the infrasound 10 km from the source
A ball is thrown off a 22 m high cliff at 9 m/s, 50o above the horizontal. How long does it take to hit the ground
A Carnot refrigerator extracts 30.0 kJ as heat during each cycle, operating with a coefficient of performance of 5.00. find the energy per cycle transferred as heat to the room
A 30-kg shopping cart full of groceries sitting at the top of a2.0-m hill begins to roll until it hits a stump at the bottom ofthe hill. How deep is the dent made in the car?
At 20.0°C, a mainly silicon resistor has a resistance of545 Ω, and a tungsten resistor has aresistance of 752 Ω. At this temperature, the siliconresistor has a temperature coefficient of resistivity of−0.070°C−1 and the tungsten resistor has acoef..
In 1.6 min, a car moving at constant speed travels halfwayaround a circular track that has a diameter of 1.7 km. What is the car's tangential speed
The huge volcanic eruption on the island of Krakatoa, Indonesia, in 1883 was heard on Rodrigues Island, How long did it take (in seconds) for the sound to travel to Rodrigues
Find the angle with respect to the ground
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