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An object is placed 13.0 centimeter in front of a convex mirror, the image being 7.10 centimeter behind the mirror. A second object, twice as tall as the first one, is located in front of the mirror, but at a different location. The image of this second object has the similar height as the other image. Obtain how far in front of mirror is second object located? cm
A 160 m wide river flows due east at a uniform speed of 4.05 m/s. A boat with a speed of 7.2 m/s relative to the water leaves the south bank pointed in a direction 39o west of north. What is (a) magnitude and (b) direction of the boat's velocity r..
A person whose mass is m = 97.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle ? = 25.3° with the horizontal
a meteor whose mass was about 1.4times108kg struck the earth mass of earth 6.0 x 1024 kg with a speed of about 18kms
A 12 kg object oscillates at the end of a vertical spring that has a spring constant of 1.70 x10^4 N/m. The effect of air resistance is represented by the damping coefficient b = 3N•s/m. Find the time interval that elapses while the energy of the ..
A solenoid 26 cm long has 2800 turns of wire and carries a current of 5.9 A. Find the magnetic field at the common center
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg, What is the speed of the ?-particle and What is the radius of its circular path
A 3.00 kg block starts from rest at the top of a 33.0° incline and slides 2.00 m down the incline in 1.60s. Discover the acceleration of the block. Find the speed of the block after it has slid 2.00 m.
A person eats a container of yogurt. The Nutritional Facts labelstates that it contains 240 Calories (1 Calorie = 4186 J). What mass of perspiration would one have to lose to get rid of thisenergy? At body temperature, the latent heat of vaporizat..
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. How many revolutions per minute is the sample making
53.53 J of heat are removed from a gas sample while it is being compressed by a piston that does 52.01 J of work. What is the change in internal energy of the gas
a spring is mounted from the ceiling. as a mass is attached the spring stretches 1.04 m. the spring is then stretched
An object with a height of 47 centimeter is placed 2.4 meter in front of a convex mirror with a focal length of -0.40 meter. Compute is the image upright or inverted
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