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Adolescent pregnancy is viewed as a high-risk situation due to the serious health risks that this creates for the mother, the baby, and society at large. Describe various risk factors or precursors to adolescent pregnancy. Research community and state resources devoted in adolescent pregnancy and describe at least two of these resources. Research the teen pregnancy rates for the last 10 years for your state and community. Has this rate increased or decreased? Discuss possible reasons for an increase or decrease.
What is the basic difference between obtaining water from a water-table well and obtaining water from an artesian well? Describe three ways in which groundwater may become contaminated.
In 1916 Milikan used measurements of the kinetic energy of photoelectrons to detemine plancks constant
A force acting on a 5.0-kg body increases its speed uniformly from 2.0m/s to 8.0m/s in 3 s. What is the initial momentum of the body? What is the final momentum of the body? What is the force acting on it?
an lc circuit contains a 20 mh inductor and a 50 of capacitor with an initial charge of 10 mc. the resistance of the
A 195g oscillator has a speed of 91.50cm/s when its displacement is 3.90cm and 73.0cm/s when its displacement is 6.20 cm
Two strings with linear densities of 0.005kg/m are stretched over pulleys, adjusted to have vibrating lengths of 0.50m, and attached to hanging blocks. The block attached to string one has a mass of 20kg and the block attached to string two has a ..
the train passes point a with a speed of 30 ms and begins to decrease its speed at a constant rate of at -0.25 ms2.
Suppose a block with mass 2.30kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.420. Find the maximum static friction force that acts on the block.
A common flashlight bulb is rated at 0.300 A and 2.70 V (the values of the current and voltage under operating conditions). If the resistance of the bulb filament at room temperature (20°C) is 1.90 Ω, what is the temperature of the filament when the ..
a car is traveling at 25 ms when the driver spots a large pothole in the road a distance of 30 m. ahead. she
A hydrogen molecule consists of two hydrogen atoms whose total mass is 5.3x10-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway among them, is about 1.96x10-46 kg· m2. Estimate, from these data, t..
A small object with a mass of 250mg carries a charge of 40.0 nC and issuspended by a thread between the vertical plates of aparallel-plate capacitor. what is the potential difference between the plates
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