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A small object is on the optical axis, 25.3 cm from a +21.2 cm lens. Find the image distance and magnification by calculation.
If the falcon has a mass of 400 g, and is diving straight downward at 20 m/s when he catches it, how fast is the falcon traveling afterwards, and in what direction?
a. Is it possible for a variance to be negative? Explain. b. What is the smallest value a variance can be? Under what conditions does the variance equal this smallest value?
A small putty ball of mass 2m is thrown horizonatally at a rod of 3m and lenth L which pivots freely about about fixed axis throught one end . The puty ball is thrown with velocity v at the free end of the rod, to which it sticks, what is angular ..
You are to write a 3 page recommendation based on your presentation about what Target should do in regard to international expansion.
Solve the following differential equations where the input is f(t) = 5t and the initial conditions are zero. Plot the response of the following models for 0 ≤ t ≤ 1.5. Obtain the Laplace transform of the following function
Find the focal length of the eye for an object that is 0.65m from the eye. Given the index of refraction for the lens of 1.38 find the radius od the lens for this configuration.
Find the focal length of the eye for an object .65 m away from the eye. Given the index for refraction of the lens of 1.38 find the radius of the lens for this configuration.
Determine the probability that only 1 of the 5 processors is defective. Determine the probability that 3 of the 5 processors are not defective. Determine the probability that the technician will have enough processors to replace 3 defective processo..
A very small steel marble is shown rolling at a constant speed on a horizontal table. The marble leaves the table at L, falls, and hits the ground at N. This is illustrated in the diagram below which is drawn to scale. Calculate the time it took t..
The extra-solar planet 55 Cancri e has recently been in the news due to temperature variations in the planet's atmosphere. How were these changes detected? What do they indicate may be happening on 55 Cancri e?
Neutrons in thermal equilibrium with matter have an average kinetic energy of (3/2)kT, where k is the Boltzmann constant, What is the average kinetic energy of the neutrons
A biologist is investigating the behavior of 2 ants, Alfredo and Bernice. The graph below shows the position of the ants as a function of time as the ants move along the celery stalk.
A 330g airtrack cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00*10^-6 kg*m^2 and a radius of 1.35 cm. Write newtons second law for each of the three objects
A model airplane of mass 0.870 kg is flying at constant speed in a horizontal circle at one end of a 28.0 m cord and at a height of 17.0 m. What is the acceleration of the plane
A ray of light is incident on the outer glass wall of an aquarium which have a refractive index of 1.51. If the reflected portion of the light is completely polarized at what angle to the normal does the ray enter the water
The lowest point in Death Valley is 85 m below sea level. What is the change in potential energy of an energetic 91.2kg hiker who makes it from the floor of Death Valley to the top of Mt. Whitney
A thin film of oil (n = 1.29) is located on smooth, wet pavement. What is the minimum thickness of the oil film
Ben Ren and Vector Rey are making a series of Force measurements using BB King's Force Probe. BB reports that the force is 0.72. Ben Ren says he feels a disturbance in the force of +/- 0.1. Vectra Rey says that the reading is exactly 0.72 because tha..
question the sun burns up 3.6 x 109 kg of matter each second. using the formula emc2 determine how much energy the sun
There are two identical, positively charged conducting spheres fixed in space. find the initial charge on each sphere
A car moving at stable speed travels halfway around a circular track that has a diameter of 1.0 kilometer. Determine the car tangential speed
A potential difference of ?V = 12.0 V is found to produce a current of 0.40 A in a 3.2 m length of wire with a uniform radius of 0.40 cm, What is the resistivity of the wire
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