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In an insulated vessel, 260 g of ice at0°C is added to 630 g of water at19.0°C.
a) What is the final temperature of the system?b) How much ice remains when the system reaches equilibrium?
A solenoid inductor has an emf of 0.90V when the current through it changes at the rate 10.0 A/s. How many turns does the inductor have
The electric field at a point in space is E? =( 600i^+ 600 j^)N/C. What is the magnitude of the proton's acceleration
A charge of +2q is fixed to one corner of a square, while a charge of -1q is fixed to the diagonally opposite corner. Expressed in terms of q, what charge should be fixed to the center of square, so the potential is zero at each of the two empty c..
An experimental flywheel, used to store energy and replace an automobile engine, is a solid disk of mass 211 kg and radius 0.380 m. What is its rotational inertia? When driving at 20.6 m/s (46.1 mph), the fully energized flywheel is rotating at an..
Capacitor 1 with a capacitance of 8.00 µF is connected in series with capacitor 2 of capacitance 2.00 µF, and a potential difference of 100 V is applied across the pair
The nucleus in an iron atom has a radius of about 4.0 X 10-15 m and contains 26 protons, What is the magnitude of the gravitational force between those same two protons
A size-5 soccer ball of diameter 22.6cm and mass 426g rolls up a hill without slipping, reaching a maximum height of 5.00m above the base of the hill. How much rotational kinetic energy did it then have
A photon of wavelength 0.87671 nm strikes a free electron that is initially at rest. What is the speed of the recoil electron after the collision
The longest "string" (a thick metal wire) on a particular piano is 3.0 m long and has a tension of 300.0 N. What is the total mass of the wire
Suppose you have a near-point distance of 16 cm. The angular resolution of the eye is determined by diffraction, What is the smallest object your bare eye can resolve
A wrench 0.3 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of langle 0, 1, 2rangle at the end of the wrench. Find out the magnitude of the force in newtons needed to give 100 newton..
A 45.0-g object connected to a spring with a force constant of 30.0 N/m oscillates with an amplitude of 4.00 cm on a frictionless, horizontal surface. calculate the total energy of the system
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