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A 3.70 meter long, 450 kilogram steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 68.0 kilogram construction worker stands at the far end of the beam.
Find the magnitude of the torque about the point where the beam is bolted into place?
(N*m)
An object of mass m = 5.45kg is suspended from the ceiling of an accelerating truck by a string. What is the magnitude of the tension in the string
In exercise physiology studies, it is sometimes important to decide the location of a person's center of gravity. This can be done with the arrangement shown in the figure below. A light plank rests on two scales that read Fg1 =400 N andFg2 = 300 N.
A constant-pressure insulated piston-cylinder device contains 1.7 kg of saturated liquid-vapor mixture of water at 150 kPa with an initial quality of 0.2. Calculate the change in exergy of the contents in kJ
Three vectors , , and each have a magnitude of 52 m and lie inan xy plane. Their directions relative to the positivedirection of the x axis are 30°, 193°, and318°, respectively.
When empty, a particular helicopter of mass 3770 kg can accelerate straight upward at a maximum acceleration of 1.34 m/s2. What is the mass of the cargo
A specimen of oil having an initial volume of 620 cm^3 is subjected to a pressure increase of 3.6 MPa, What is the compressibility of the material
Find the total capacity, total charge and the voltage across C1 and C2 given C1= 15nF and C2= 25nF are connected in parallel across a 200 volt supply
For a series RLC circuit with resistance 5 KOhm, capacitance 100 picoFarad, and inductance 0.025 Henry, what are the natural and the free oscillation mode frequencies
The meter detects the reflected sound waves and measures a beat frequency of .30X10^5Hz. Determine the speed of the baseball
An air parcel occupied by an ideal gas (T1 = 255 K, V1 = 1500m3, m1 = 1680 kg) collides and mixes with a second air parcel occupied by a second ideal gas (T2 = 280 K, V2 = 1200 m3, m2 = 1392 kg). Assuming the specific heat capacities of the gases ..
the electric field 4.30cm from a very long charged wire is 1900nc toward the wire. what is the charge in nc on a
the rms current in a copy machine is 7.27 a and the resistance of the machine is 16.6?. what are a the average power
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