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Question: A rope is connected between two point A and B 120cm apart at the same level . a load of 200N is suspended from a point C in the rope 45cm from , find the load that should be suspended from the rope D 30cm from B, which will keep the rope CD horizontal.
question1an 8.00 point mass and a 15.0 point mass are held in place 50.0 apart. a particle of mass is released from a
You are driving home from school steadily at 98km/h for 130km . It then begins to rain and you slow to 65km/h. You arrive home after driving 3 hours and 30 minutes. What was your average speed? How far is your hometown from school?
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
A projectile is launched perpendicularly upward from a planet of mass M; and radius R; its initial speed is twice the escape speed. Derive an expression for its speed as a function of the distance from the center of the planet.
A 10-lb uniform rod CD of length l =2.2 ft is welded at C to two elastic rods, which have fixed ends at A and B and are known to have a combined torsional spring constant K = 18 lb · ft/rad.
suppose an electric motor continuously operating with average power 4.65 kW runs the pump. Find its efficiency.
A screw with 15 threads per centimeter is driven 1.01 cm into its fixture in 11.2 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
The drill pipe has an outer diameter of 75 mm, a wall thickness of 6 mm, and a weight of 0.8 kN/m. If it is subjected to a torque and axial load as shown.
A goldfish is swimming at 3.20 cm/s toward the front wall of a rectangular aquarium. The index of refraction of water is 1.333. Compute the apparent speed of the goldfish
Two masses m1 and m2 sit on a horizontal, frictionless table and are connected by a light string, Find the tension in each of the two strings
A 80.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.77 rad/s. Find the angular velocity of the platform with its load
Find the capacitance C, the resistance R, and the total energy dissipated in the resistor. At what time is the energy in the capacitor half its initial value?
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