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Two particles of equal mass have different velocities and acceleration of one particle is zero, determine the movement of the centre of mass of the two particles.
A generator is designed to produce a maximum emf of 150 V while rotating with an angular speed of 3600 rpm. how many turns of wire are needed
Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an angle of 27 degree above the horizontal. Find the magnitude of the net torque exerted on the branch by the children
he string in a yo-yo is wound around an axle of radius 0.529 cm. The yo-yo has both rotational, What is the speed of the yo-yo when it reaches the distance of 1.50 m
After getting a drink of water, a hamster jumps onto an exercise wheel for a run. Find the work done by the hamster to get the exercise wheel moving
q1. a 1500 w hair dryer is operated on a 160 v circuit for 5 minutes every day. if electricity costs 0.15kwha what is
A "U" shaped tube (with a constant radius) is filled with water and oil, What is the absolute pressure in the water at the very bottom of the tube
An object of mass m1 = 2.10 kg placed on a frictionless, Draw free-body diagrams of both objects, This answer has not been graded yet
Assuming you can't use the electric heater, you put 0.2kg of water at 20(C) in a thermous. If you move the water up and down a height 10cm twice/second, how long must you shake the water to raise the temperature to 100(C)?
A uniform disk of radius 0.469 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
a 250-kg motorcycle goes around an unbanked turn of radius 13.7m at a steady 96.5 km/h. What is the magnitude of the net force on the motorcycle?
A vertical straight wire carrying an upward 24?Acurrent exerts an attractive force per unit length of 5.9×10?4N/m on a second parallel wire 7.5cm away
A wave pulse travels down a slinky. The mass of the slinky is m = 0.93 kg and is initially stretched to a length L = 6.8 m. What is the wavelength of the wave pulse
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