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A straight rod consists of a 1.2-cm-long piece of aluminum attached to a 2.0-cm-long piece of steel. By how much will the length of this rod change if its temperature is increased from 20 ?C to 40 ?C? note: answer in cm please.
Assume that the volume of the empty spaces between the candes is negligible. If the height of the candes in the container increases at the rate of 0.270 cm/s, at what rate (kilograms per minute) does the mass of the candies in the container increa..
An object is placed two focal lengths from a diverging lens. What is the magnification and location of the image.
Find out a mathematical expression in terms of x, y, and z for the y-component of the force on the particle.
A solid cylinder with mass and radius, rotating with angular speed about an axis throughout its center, is set on the horizontal surface for which the kinetic friction coefficient is.
A mass ball is attached to the spring and allowed to come to rest. It is then pulled down y and released. Illustrate what is the time constant if the ball's amplitude has decreased to y1 after oscillations?
A capillary tube is being used to measure the viscosity of a Newtonian liquid, Estimate the viscosity coefficient for the liquid if a pressure of 2.5 kPa is required to maintain a flow rate of 1 kg/s
A saturated solution of strontium hydroxide is prepared in the excess solid Sr(OH)2 is allowed to settle. A 25.0mL aliquot of the saturated solution is withdrawn and transfer to an Erlenmeyer flask
A 4.00-g bullet is moving horizontally with a velocity of +355 m/s, where + sign indicates that it is moving to the right. The bullet is approching two blocks resting on a horzizonta frictionless surface.
A small grinding wheel has a moment of inertia of 4.0×10-5 kg m^2. What net torque must be applied to the wheel for its angular acceleration to be 160 rad s^2.
A solid insulating cylinder of radius A is surrounded by a hollow, concentric conducting cylinder of inner radius A and outer radius B. What is the total charge on the solid cylinder
Expalin by how much does the potential energy of a 18.0-kg child increase when the child climbs a normal staircase to the second floor?
Three wires are arranged parallel to each other. Wire 1 sits at x = -2.5m with a current I1 = 3.0A directed into the page, Determine the location of wire 3 and the direction of the current such that the net magnetic force acting on wire 3 is zero
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