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The temperature of an ideal gas is increased from 110degreesCelcius to 360degrees C while the volume and the number of molesstay constant. By what factor does the pressure change? Bywhat factor does vrms change?
A leaf of area 44 cm2 and mass 4.5 10-4 kg directly faces the Sun on a clear day. The leaf has an emissivity of 0.86 and a specific heat of 0.8 kcal/kg·K. Estimate the rate of rise of the leaf's temperature
A copper plate has a circular hole with a diameter of 1.000 cm. In order to drop a pyrex glass marble 1.0031 cm in diameter through the hole in the plate, how much must the temperature of the system be raised
Only 25% of the intensity of a polarized light wave passes through a polarizing filter. What is the angle between the electric field and the axiz of the filter
A 0.223 kg ball is thrown straight up from 1.81 m above the ground. Its initial vertical speed is 8.40 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.
Find the moment of inertia of a solid uniform sphere of radius R which has a spherical cavity of radius R/2. The spherical cavity is centered at a point R/2 from the center of the sphere. Take the axis of rotation to go through the center of the sphe..
A 0.60kg sphere rotates around a vertical shaft supported by 2 strings. If the tension in the upper string is 18N, calculate the tension in the lower string
A Ferris wheel starts at rest and builds up to a final angularspeed of 0.60 rad/s while rotating through an angular displacementof 3.9 rad. What is its average angular acceleration
A lens produces a magnification of -1.8 when an object is placed 2.5 cm from the lens. compute the focal length of the lens?
Calculate the magnitude and direction of net electric field. what is the efficiency of the engine under those conditions.
A 71kg pole-vaulter falls from rest from a height of 4.6m onto a foam-rubber pad. The pole-vaulter comes to rest 0.4s after landing on the pad.
A large crate is pulled along a horizontal path at a constant speed by a cable that is inclined at an angle of 20° with respect to the horizontal. How far will the crate move in 10 seconds
A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp
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