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A wrench is used to loosen a diamond-headed bolt. The distance between the head of the bolt and where the force is applied to the wrench is 30 centimeter along the wrench. The force applied is 200 Newton and points downwards. Find the magnitude of the torque on the bolt head due to this force?
A 100g of mass on a spring undergoes Simple Harmonic Motion with amplitude of 25 cm. What is the maximum acceleration of the object
A woman lies on a weightless board across two scales. Her feet are directly over the right scale. How far above her feet is her center of mass
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 2.32 m/s. Ignore frictional losses. What is the translational speed of the frozen juice can when it reaches the bottom
A velodrome track is banked so that a bicycle traveling at 43.5 km/h will have no tendency to slip to either side when traveling on the path that has a radius of curvature of 59.0 m
A long cylindrical tube of length L, and density ?t, is very slightly weighted on one end so that it floats upright in a fluid having density, determine the period of the oscillation in terms of L, t, and f
on the moon the acceleration due to the effect of gravity is only about 16 of that on earth. an astronaut whose weight
Objective questions based on momentum and force.
A 75-Kg athlete does a single-hand handstand. If the area of thehand in contact with the floor is 125 cm2, what pressureis exerted on the floor?
A series LR circuit contains an emf source of having no internal resistance, a resistor, a inductor having no appreciable resistance, and a switch. what is the resistance of the resistor
performing an experiment similar to millikans oil drop experiment a student measures these charge magnitudes.3.26
A 7.0mW laser beam has a circular cross section with diameter 0.80 millimeter. Find the maximum radiation pressure that this laser can exert on a mirrored surface
Light of intensity I0 that has a wavelength equal to lambda = 480 nm falls normally on three slits. Each slit is 2.00 mu m wide and the center-to-center separation between it and the next slit is 4.00 mu m.
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