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Suppose you have a converging lens and place an object at do = f/2.
1. Find the image distance, di, using the thin-lens equation.
2. Is the image real or virtual?
3. Is it upright or inverted and what is its magnification?
Determine the force of gravity between earth (mass =6.0x10^24kg) and the moon (mass= 7.4x10^22kg). The average earth-moon distance is 3.8x10^8m.
Find the speed at which Superman (mass=83.0 kg) mustfly into a train (mass = 16756 kg) traveling at 100.0 km/hr to stop it. Running into the train at that speed would severely damage both train and passengers.
A hockey puck B rests on a smooth surface of ice and is struck by a second puck A , which was originally traveling at = 40.0, What fraction of the original kinetic energy of puck A dissipates during the collision
At the top of a giant swing on the gymnastics high bar, Candy's velocity is 1 m/s, and she is 3.5 m high. what is her total mechanical energy at this instant
one can rearrange these terms to dpdtv dsdvt. consider the vapor pressure diagram for water. if the slope of the
The rocket above has an exhaust gas velocity of 2723 m/s and a burn rate of 5149 kg/s. If it has a mass of 1,000,000 kg what is its initial acceleration to two decimal places?
assume you are 90 cm from a plane mirror. What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 5.5 mm.
A figure skater is spinning at a rate of 1.0 rev/s with her armsoutstretched. She then draws her arms in to her chest,reducing her rotational inertia to 67% of its original value. What is her new rate of rotation?
What would an electric field (with field lines) look like if a negatively charged point charge was near a positively charged plate
Deuterium () is an attractive fuel for fusion reactions because it is abundant in the waters of the oceans. In the oceans, about 0.0113% of the hydrogen atoms in the water (H2O) are deuterium atoms.
A second observer hovers in a blimp at an altitude of 571 m and measures the radiation intensity from the antenna when she is 1.41 km from the antenna. What intensity, in milliwatts per square meter, does she measure?
One side of our asteroid is constantly illuminated by the Sun while the other side remains in the dark. how might heat transfer from one side to the other
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