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A block of mass m1 = 0.55kg is placed on top of another block of mass m2 =0.91kg , which rests on a frictionless horizontal surface. A horizontal force of 4.10N is applied to the lower block. What minimum coefficient of static friction between the two blocks will prevent the upper one from slipping?
At what angle should a curve of radius 155m be banked, so cars can travel safely at 26m/s without relying on friction.
The net force on the object is not zero in Tubby's frame, but there is an inertial frame in which net force is zero.
A 3.60 long, 420 steel beams extends horizontally from the point where it has been bolted to the framework of the new building under construction. A 72.0 construction worker stands at the far end of the beam. What is the magnitude of torque about the..
What is moment of inertia
A neon sign requires 10000 V for its operation. It operates from a 220 V receptacle. What must be the turns ratio Ns/Np of the transformer
a block of mass m=0.2kg , in simple harmonic motion, has an amplitude of 3.5cm and a maximum speed of 70 cm/s. What is the angular frequency for the oscillation in rad/s?
What is the effective spring constant (that is, the ratio of force to change in length) of a copper cable that is 7.0 in diameter and 13 long?
How much kinetic energy is lost in the collision. compute the focal length of the mirror.
How much time has elapsed between the two measurements.
The dispersive power of crown and flint glasses are 0.03 and 0.05 respectively. If diffrence in the refractive indices for blue, calculate the angles of the two prisms for a deviation of 2 degree without dispersion
A 0.20 kg aluminium plate with an initial temperature of 20 degrees c slides down a 15.00m long surface that is inclined at 30 degrees to the horizontal.
A wire carries a current of 0.665 A. This wire makes an angle of 55.5° with respect to a magnetic field of magnitude 4.92E-5 T, What is the length of the wire
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