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After an unfortunate accident at a local warehouse you have been contracted to determine the cause. A jib crane collapsed and injured a worker. The horizontal steel beam had a mass of 93.60 kg per meter of length and the tension in the cable was T = 12.04 kN. The crane was rated for a maximum load of 1.000 × 103 lbs. If d = 5.290 m, s = 0.522 m, x = 1.500 m and h = 1.890 m, what was the load on the crane before the collapse? What was the magnitude of force at the attachment point P? The acceleration due to gravity is g = 9.810 m/s2.
1. - discuss the transient and steady states of a dc circuits response to a step input.2. -what components must be
If E decreases (becomes more negative), the radius r of the orbit will decrease. If air drag is relatively small, the satellite can be considered to be in a circular orbit of continually decreasing radius.
Two blocks of mass m1 = 8.0 kg and m3 = 6.5 kg, connected by a rod of mass m2 = 1.5 kg, are sitting on a very low-friction surface, find the acceleration of the system of blocks plus rod
A circular area with a radius of 7.40 cm lies in the x-y plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B= 0.232 T that points in the +z direction? What is the magnitude of the magnetic flux thro..
A man and a woman start at the same location. The man walks North for 30 minutes and travels a distance of 2.2 km, he then walks West for 20 minutes and travels a distance of 1.8 km. What is the woman's average velocity
A child throws a snowball over a wall. The horizontal distance which the snowball travels is 3.83 m. Determine the initial speed of the snowball
what is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.84m tall person standing vertically
Two microscope slides are placed together but held apart at one end by a thin piece of tin foil. Under mercury green light (546 nm) normally incident on the air film formed between the slides, Determine the thickness of the foil
A resistor (R = 900 ?), a capacitor (C = 0.25 µF), and an inductor (L = 4.0 H) are connected in series across a 240 Hz AC source for which ?Vmax = 145 V. evaluate the phase angle between the current and voltage
Conisder the Earths magnetic field (53 uT) at a point near the equator where the field is horizontal, Calculate the velocity, V of this proton
What is the saturation activity of 24Na that can be induced in a 400 g sample of NaCl with a constant thermal-neutron fluence rate of 5 x 1010 cm-2 sec-1
A screw with 25 threads per centimeter is driven 1.49 cm into its fixture in 12.4 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
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