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Question: A freight train has a mass of 1.7 × 107 kg. If the locomotive can exert a constant pull of 8.3 × 105 N,
Part A: How long does it take (in MINUTES) to increase the speed of the train from rest to 64 km/h?
Please show clear work for points. Thank you!
A spherical mirror is to be used to form ona screen 5.00m from the object, an image five times the size of the object. Describe the type of mirror required.
A 5 kilogram weight is pushed up a 30 degree incline for 10.0 minute with a 98.0 Newton force parallel to the plane. Find what is the velocity of the weight after having been pushed the 10.0 m
A rider sits on a bicycle exercise machine and pushes downon the pedal with a force of 200 newtons through a verticaldistance of 0.45 meters. how much rotational kinetic energy will the wheel have
The angular velocity of a wheel is given by %uDBC0%uDF9D(t) = (2.00 rad/s2)t + (1.00 rad/s4)t3. What is the angular acceleration of the wheel as a function of time
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
A free fall acceleration onthe surface Mars is about three eights of that on the surface of Earth. Find the ratio of there average densities
A father (m = 90 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast is the father moving.
A 23.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block if T = 20.56 N
A hair dryer has a power rating of 1400 W at 110 V rms. Assume the hair dryer circuit contains only resistance. What is the rms current drawn by the hair dryer
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 80 MW and lasts 4.1 ns. what is the total energy of the pulse
Two identical piano wires have a fundamental frequency of 553 Hz when kept under the same tension. What fractional increase in the tension of one wire will lead to the occurrence of 4 beats/s when both wires oscillate simultaneously
An electron is accelerated to a speed where its total energy is 187 times larger than its rest energy. What is the speed of the electron in terms of the speed of light
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