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A 1100-kg car pulls a boat on a trailer.
(a) What total force resists the motion of the car, boat, and trailer, if the car exerts a 1900-N force on the road and produces an acceleration of 0.550 m/s2 ? The mass of the boat plus trailer is 700 kg.
(b) What is the force in the hitch between the car and the trailer if 80% of the resisting forces are experienced by the boat and trailer?
The subfloor on which the flooring sits is at a temperature of 16.1 degree C, while the air in the room is at 19.2 degree C. What is the rate of heat conduction through the floor
A very powerful vacuum cleaner has a hose 3.00 cm in diameter. With the end of the hose placed perpendicularly on the flat face of a brick, what is the weight of the heaviest brick
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An object in simple harmonic motion has an amplitude of 0.377 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion
Defend or refute the statements based upon your reading or any other outside sources you can quote. All statements must be backed up with citable references that are to be included in your discussion.
Large meteorites are hardly slowed by Earth's atmosphere. how long does it take to reach the ground
The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660. What is the angular separation between the red and violet components of the spectrum that emerges from the glass
q1. a thunderstorm drops half an inch of rain which is about 1.27cm on chicago which covers are area of about 228
The load and they are taken down. Two people pull in the opposite directions on the ends of the spring, each with a force of 190 Newton. Determine the length of the spring in this situation
A 392\({\rm g}\) oscillator has a speed of 90.5\({\rm cm/s}\) when its displacement is 3.90\({\rm cm}\)and 74.5\({\rm cm/s}\), What is the oscillator's maximum speed
a portable classroom is heated with small propane heating units with a capacity of 3 kw each. the portable classroom is
the electric field between the plates of a parallel-plate capacitor is horizontal uniform and has a magnitude e. a
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