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Question: If the 1 kg standard body has an acceleration of 2 m/s2 at 20° to the positive direction of an x axis, what are
(a) the x component and
(b) the y component of the net force acting on the body, and
(c) what is the net force in unit-vector notation?
A block with mass m = 5.00 kg slides down a surfaceinclined 36.9 to the horizontal (see figure below). The coefficientof kinetic friction is 0.22. A stringattached to the block is wrapped around a flywheel on a fixed axisat O.
An apparatus like the one Cavendish utilized to find G has a large lead ball that is 5.9 kg in mass and a small one that is 0.047 kg. Their centers are separated with 0.055 m. Discover the force of attraction between them?
The half-life of iodine-131, an isotope used in the treatment of thyroid disorders, is 8.04 days. what is the activity of the sample
An object is placed directly between a large planet and a star. Find the distance from the planet for which the net gravitational force exerted by the planet
The electric potential at a position located a distance of 21.0 mm from a positive point charge of 6.90×10-9C and 16.9 mm from a second point charge is 1.30 kV
During the spin-dry cycle of a washing machine, the motor slows from 95 rad/s to 30 rad/s while the turning the drum through an angle of 402 radians. Find the magnitude of the angular acceleration of the motor
A 2.63-kg block initially at rest at the top of a 4.43-m incline with a slope of 42.7° begins to slide down the incline. How fast is the block moving at the bottom of the incline
A small button placed on a horizontal rotating platform with diameter 0.315 m will revolve with the platform when it is brought up to a speed of 28.0 rev/min, How far from the axis can the button be placed
A connecting rod is supported by a knife edge at point A; the period of its small oscillations is observed to be 1.03 s. Knowing that the distance ra is 150 mm, determine the centroidal radius of gyration of the connecting rod.
In some reaction systems, adjusting temperature can be inappropriate. For the reaction sequence A?B?C with B the desired product, high temperature might lead.
A bike wheel with a mass of 2.5 kg and a radius of 33 cm rolls across a horizontal floor with a transitional speed of 1.5 m/s. Find how far up the ramp will it go before stopping
An astronaut in an orbiting spacecraft is ''weighed'' by being strapped to a spring of constant k = 385 N/m, and set into simple harmonic motion. If the oscillation period is 3.0 s, what is the astronaut's mass?
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