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The mass of the blue puck shown below is 20.0% greater than the mass of the green puck. Before colliding, the pucks approach each other with momenta of equal magnitudes and opposite directions, and the green puck has an initial speed of 11.0 m/s. Find the speeds the pucks have after the collision if half the kinetic energy of the system becomes internal energy during the collision.
A 58 ice cube can slide without friction up and down a 28 slope. The ice cube is pressed against a spring at the bottom of the slope, When the ice cube is released
A shopper walks from the door of the mall to her car 310m down the lane of cars, then turns 90° to the right and walks an additional 70m. What is the magnitude of the displacement of her car from the mall door.
A 2.46 x 10-2-kg block is resting on a horizontal frictionless surface and is attached to a horizontal spring whose spring constant is 110 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 10.4 m/s, while spring is..
A fire truck has a siren with that generates a sound with a frequency of 6686 Hz. what frequency will you observe
a transformer has N^1 =350 turns and N^2 =2000 turns. what voltage is developed across the secondary coil?
An object known to be made of copper (p=8.89 g/cm^3) and aluminum (p=2.7 g/cm^3) "weighs" 25 g in air but only 20 g in water. How much copper is in the object
How many grams of gasoline are required to impart a velocity of 26 meters/sec (60 miles per hour) using the same engine and neglecting losses that may be higher at the higher velocity
A 790-kg object and an 889-kg object are separated by 11.0 m. At what position (from the less massive object) can the 260-kg object be placed so as to experience a net force of 10 N towards the less massive object.
A capacitor can be made from two sheets of aluminum foil separated by a sheet of waxed paper. what is the capacitance of this capacitor
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
Calculate the dc voltage applied to the circuit.
A cube has sides of length = 0.320 . It is placed with one corner at the origin. The electric field is not uniform but is given by -4.95 2.17 .Find out the electric flux through each of the six cube faces.
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