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The loaded trailer has a mass of 900 kg with a center of mass at G and is attached at A to a rear bumper hitch. If the car and trailer reach a velocity of 60 km/hr on a level road in a distance of 30 m from rest with constant acceleration, compute the vertical component of the force supported by the hitch at A. Neglect the small friction force exerted on the relatively light wheels.
A solid sphere 29cm in radius carries 23uc, distributed uniformly throughout its volume. Find the electric field strength 19cm from the sphere's center
if the power generated by a turbine is 20kw, what is the equivalent horsepower of this turbine
A 15 V battery drives a current through a 36 Ω resistor and a 14 Ω resistor. Determine the voltage drop across the 14 Ω resistors
Two narrow slits 62um apart are illuminated with light of wavelength 480nm . What is an angle of the bright fringe in degrees.
An ac series R-L-C circuit contains a 120 ohm resistor, a 2.00 uf capacitor, and a 5.00 mH inductor. Find the resonance angular frequency
Working for a small gold mining company, you stumble across an abandoned mine shaft that, because of decaying wood shoring, looks too dangerous to explore in person. Estimate the depth of the shaft
The frequncy doubled output of a laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz, how many photons does the laser emit at 532 nm in 3 minutes
A projectile of mass 2.0 kg approaches a stationary target body at 5.0 m/s. find the magnitude of the momentum of the target body
An FM radio station broadcasts an oscillating radio wave, What is the frequency of the oscillations in the radio transmitter
Two identical 0.13 kg blocks (labeled 1 and 2) are initially at rest on a nearly frictionless surface, connected by an unstretched spring, where x2 = 0.04 m.
Two farmers are standing on opposite sides of a very large empty field that is 520.6 m across. What is the temperature of the air
It is desired to magnify readingmaterial by a factor of 2.5X when a book is placed 8cm behind alens. what type of lens is needed
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