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A 0.5 kg air puck moves to the right at 3 m/s, colliding with a 1.5 kg air puck that is moving to the left at 1.5 m/s
1) Determine the direction and speed of the pucks' motion if they stick to each other after the collision
2) Suppose instead that the pucks do not stick together. If the 1.5 kg puck moves to the right at .231 m/s after the collision, was the collision elastic? Provide evidence!
3) Determine the size and direction of the average force acting on the 0.5 kg puck during the second collision, if the collision lasted for 25 ms
A wheel initially rotating at an angular speed of 1.4 rad/s turns through 30 revolutions during the time that it is subject to an angular acceleration of 0.40 rad/s2
Three identical resistors are linked in parallel. The equivalent resistance increases by 700 Ω when one resistor is connected and removed in series with the remaining two, which are still in parallel. Discover the resistance of each resistor.
When doing the classic double slit experiment is the time among emitting photons significant at all? Say, a single photon is emitted; the scientist waits T seconds, and then emits another photon. Are there any values for T which does not reason inter..
a 1100-turn coil of wire that is 2.3cm in diameter is in a magnetic field that drops from 0.15t to 0 t in 12 ms. the
A spoon is raised 21.0 centimeter above a table. find the gravitational potential energy associated with the spoon
If the outside temperature in winter is -5.0°C, and the inside temperature is 17°C, how many Joules of heat will the heat pump deliver to the inside for each joule of electrical energy used to run the unit, assuming an ideal Camot cycle?
a car can decelerate at -4.80 ms2 without skidding when coming to rest on a level road. what would be the magnitude of
Two point charges totaling 8.50 mu C exert a repulsive force of 0.100 N on one another when separated by 1.02 m. What is the charge on each
An object's velocity is V =ct^3i+dj, where t is time and c and d are positive constants with appropriate units. What is the object's acceleration
An engine does 18600 J of work and rejects 6860 J of heat into a cold reservoir whose temperature is 281 K. The smallest possible temperature of the hot reservoir is
A 1.0-cm-tall object is 7.5 cm in front of a diverging lens that has a 10 cm focal length. Determine the image height by making measurements on your diagram
A bullet moving at 244 m/s strikes a tree and penetrates a distance of 8.34 mm before stopping. What was the average acceleration of the bullet as it slowed
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