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An object moves 15.0 meter north and then 11.0 meter south. Evaluate both the distance traveled and the magnitude of the displacement vector.
When an object is located very far away from a convex mirror, the image of the object is 15 cm behind the mirror. Decide where the image is located when the object is placed 5.6 cm in front of the mirror.
An aluminum pan with 1.50 kg of water at an initial temperature of17 deg-C is placed on an electrical heater. Suppose it takes 4.50minutes to warm the water to boiling and convert 10% of the water to steam
you drop a 299-g silver figure of a polar bear into the 215-g aluminum cup of a well-insulated calorimeter containing
A particle with a charge of -2.50×10-8 C is moving with an instantaneous velocity of magnitude 40.0 km/s in the xy-plane at an angle of 50.0 degree counterclockwise from the +x axis. Find the magnitude of the force exerted on this particle
A transformer has 350 turns and 94 turns for the primary and secondary respectively. what is the output voltage of the secondary
A body travels a distance of 3km towards east and 4 km towards north and finally 9 km towards east. what is the total distance travelled and displacement of body.
The Atwood machine in the figure consists of masses m1 = 1.20 kgand m2 = 1.05 kg and a solid pulley with a diameter of 6.1 cm and amass mp = 0.606- kg. When released from rest, what is the speed of the heavier mass after it has fallen a distance of..
The same train ordinarily decelerates at a rate of 1.95 m/s2. How long does it take to come to a stop from its top speed
A car moves along an x axis through a distance of 950 m,starting at rest (at x = 0) and ending at rest (atx = 950 m). Through the first 1/4 of that distance, itsacceleration is +6.25 m/s2.
The siren on an ambulance is emitting a sound whose frequency is 2650 Hz. The speed of sound is 343 m/s. find the wavelength and frequency of the sound you hear
a diver running 2.3ms drives out horizontally from the edge of a vertical cliff and 3.1rm s later reaches the water
The maximum wavelength for which an electomagnetic wave can eject electrons from a platinum surface is 196 nm. what is the maximum speed of the ejected electrons
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