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Three objects are connected on the table as shown in Figure P5.44. The table is rough and has a coefficient of kinetic frictionof 0.350. The objects have masses of 4.00 kg, 1.00 kg and 2.00kg,as shown, and the pulleys are frictionless. Draw free-body diagramsof each of the objects.
(a) Determine the acceleration of each object and their directions.
(b) Determine the tensions in the twocords.
A current loop in a motor has an area of 0.85 . It carries a 240 current in a uniform field of 0.62. What is the magnitude of the maximum torque on the current loop
Mercury has a mass MP = 3.18 x 1023 kg, an orbital period T = 88.0 days, and an orbital radius r = 5.79 x 10^10 m. Find the angular speed of Mercury about the Sun
a cube of wood floating in water supports a 200g mass at the centre of its top face. when the mass is removed, the cube rises by 2cm. determine the volume of the cube
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many electrons would fit in this main shell
A vertical straight wire carrying a 9.0 A current exerts an attractive force per unit length of 7.0X10^-4 N/m on a second parallel wire 8.0 cm away
To stretch a spring 2.00 cm from its unstretched length, 15.0 J of work must be done, What is the force constant of this spring
Two very small spheres, each with a mass m = 1.5 g, are suspended from a common axis by insulating threads of length L= 6.0 cm, What is the magnitude of the unknown charge q
Four equal charges of +4.9×10-6 C are placed on the corners of one face of a cube of edge length 7.0 cm. calculate the magnitude of the force on the charge
A current of 27.0 mA is maintained in a single circular loop of 1.90 m circumference. A magnetic field of 0.870 T is directed parallel to the plane of the loop. Calculate the magnetic moment of the loop
A 0.2 kg ball is suspended from the ceiling with a massless string (L=2.3m). What was the initial angular displacement of the pendulum
A compact disc rotates from rest up to an angular speed of 31.4 rad/s in a time of 0.892 s. What is the magnitude of the tangential acceleration
An airplane goes into a turn 4.0km in radius. If the banking angle required is 24 degrees from the horizontal, what is the plane's speed
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