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An observer to the right of the mirror-lens combination shown in the figure below sees two real images that are the same size and in the same location. One image is upright and the other is inverted. Both images are 1.90 times larger than the object. The lens has a focal length of 11.6 cm. The mirror and lens are separated with 40.0 cm. Decide the focal length of the mirror. (Don't suppose the figure is drawn to scale.)
An air parcel occupied by an ideal gas (T1 = 255 K, V1 = 1500 m3, m1 = 1680 kg) collides and mixes with a second air parcel occupied by a second ideal gas (T2 = 280 K, V2 = 1200m3, m2 = 1392 kg). Assuming the specific heat capacities of the gases in ..
A 200 kg rocket sled can be accelerated at a constant rate from rest to 1600 km/h in 2.0 s. What is the magnitude of the required net force
A coin is located 18.0 cm to the left of a converging lens (f = 16.0 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses
A sound wave is travelling trough a fresh water pool with a speed of 1482 m/s. what is the pressure amplitude of the wave
Structure Polar's acquisition problem as a decision tree and solve (using EMV criteria) for the optimal decision strategy for Polar.
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.
A particle known as a pion lives for a short time before breaking apart into other particles. Assume it is moving at a speed of 0.980c, and an observer who is stationary in a laboratory measures the particle's lifetime to be 5.00*10-8 s.
A potential difference of 90 mV exists between the inner and outer surfaces of a 7.5 nm thick cell membrane. What is the electric field inside the cell membrane and inside the actual cell. Explain
An isolated piston+ cylinder arrangement shown contains a diatomic ideal gas at 300 K at equilibrium. find the new equilibrium temperature of the gas
A bank robber travelling at 75mi/hr in an escape car suddenly sees a barricade 150 m ahead. The robber slams on the breaks following a 0.75 delay (the drivers reaction time) After the brakes are applied, the car decelerates at 4.2m/s^2. Will th..
A wind is blowing with velocity v2 = 10 m/s over your house. Inside the house the air is still, v1 = 0. As a result of the wind, is the pressure above the roof larger or smaller than inside the house? If the roof has an area of 100 m2, what is the ne..
A 7320 kg satellite has an elliptical orbit. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. Find the work done by the gravitational force when the satellite moves from the ap..
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