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Please solve each question with clear step-wise presentation, and in Q1 please follow the hint instructions. Thanks in advance.
The unextendable 2-ft rod AB and a spring AC of spring constant k at its unstretched length Lo are connected at A, which is originally at the horizontal position. A vertical load P is applied at A and A moves down to A* to the equilibrium position with the angles of e and a. Assume that the internal forces in the rod and the spring are denoted by Trod and Tsprin. Take
Q1: Find the internal forces Trod and Tspring (Hint: Consider the equilibrium of point A*. Follow the 3-step procedure of drawing FBD, listing equations, and finding the solution)
Q2: Find the extension of the spring.
Q3: Find the spring constant k.
In a nuclear experiment a proton with kinetic energy 3.5 MeV moves in a circular path in a uniform magnetic field. a)If the magnetic field is B = 1.1 T what is the radius of the orbit? b) What energy must an alpha particle (q = +2e, m = 4.0 u) and a ..
A 2.50-cm-diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 500 V. What is the total energy stored in the electric field
The height of a helicopter above the ground is given by h = 2.65t3, where h is in meters and t is in seconds. How long after its release does the mailbag reach the ground
A radioactive isotope has an activity of 8.57 mCi. After 3.25 hours the activity is 6.08 mCi. What is the half-life of the isotope
) If the pressure of the 2.2-cm3 volume is reduced to 1.2 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A 62.8 kg canoeist stands in the middle of her canoe. The canoe is 3.3 m long, and the end that is closest to land is 2.5 m from the shore. What is the canoe's mass
a beam of polarized light with an average intensity of14.8wm2is sent through a polarizer. the transmission axis makes
Suppose the coefficient of static friction between the road and the tiers on a car is 0.60 and the car has no negative lift. What speedwill put the car on the verge of sliding as it round a level curveof 30.5 m radius?
A proton exeriences a magnetic field B= 1.9 X 10^-4i^ T and electric field E = 3.2 j^ N/C, what is the net force on the proton
An air bubble has a volume of 1.45 cm3 when it is released by a submarine 100 m below the surface of a lake. What is the volume of the bubble
A 200g block on a 50.0cm long string swings in a circle on a frictionless table at V1=45.0m/s comes to rest in 68.0s. Determine is the tangential acceleration? What is the magnitude of the tangential force?
Illustrate the security threats that An industry will face when it implements a wireless network. Suppose that the industry occupies the six middle floors
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