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A camera is supplied with two interchangeable lenses, whose focal lengths are 35.0 and 150.0 mm. A woman whose height is 1.80 m stands 9.00 m in front of the camera. What is the height (including sign) of her image on the film, as produced by each of the following.
who is initially at rest, hops on her back and together they continue down the hill. Illustrate what is their speed at the bottom of the hill if the total vertical drop is 17.0 m? Gayle's mass is 50.0 kg, the sled has a mass of 5.00 kg and her bro..
A satellite of the Earth has a mass of100kg and is at an altitude of1.00multiplied by106m. What force does the satellite exert on the Earth
question1when two tuning forks are struck simultaneously 9 pulses of increased sound intensity per second are heard.
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
A converging lens with a diameter of 30.0 cm forms an image of a satellite passing overhead. what is the altitude of the satellite
if you place the magnifying glass at half the distance needed to cook an ant, how big would the image of the ant be
A heat engine has a maximum possible efficiency of 0.800. If it operates between a deep lake with a constant temperature of 287.0 k, what is the temperature of the hot reservoir
A sound source emits sounds of frequency 215 Hz that travel through still air at 340 m/s. Find the frequency heard by the listener
Approximately how much larger would the radius of a star with the same surface temperature of the Sun (5800 K) have to be before it could be classed as a) a giant super star b) a supergiant star
A block of unknown mass is attached to a spring of spring constant 6.1 N/m and undergoes simple harmonic motion with an amplitude of 9.5 cm. Calculate the mass of the block
A block of mass 1.7kg is in a spring (k= 250N/m^2) compressed 3.0m. The spring is frictionless, but friction exists past the equilibrium point. What is the initial mechanical energy of the system
If, as is typical, each of them breathes about 500 {rm{ cm}}^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year.
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