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Question: A 100g ice cube at -10 degrees C is placed in an aluminum cup whose initial temperature is 70 degrees C. The system comes to an equilibrium temperature of 20 degrees C. What is the mass of the cup? answer in kg. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
An elevator cable breaks when a 975 kg elevator is 24.5 m above the top of a huge spring (k = 8.00 x 10^4 N/m) at the bottom of the shaft. Calculate the speed of the elevator just before striking the spring
A cyclotron with a magnetic field B=0.9 T and a maximum orbital radius of 50 centimeter is used to accelerate deuterons (2Hnuclei). Find the frequency of the AC accelerating voltage
What will the traveler weigh on another planet. Two wires are identical, except that one is aluminum and one is iron. The aluminum wire has a resistance of 0.18 . What is the resistance of iron wire.
A plane travels 1.5 km at angle of 38 degrees to the ground, then changes direction and travels 6.9 km at an angle of 11 degrees to the ground. What is the magnitude of the plane's total displacement? Answer in units of km.
Discuss briefly centripetal acceleration, the speed and the force exerted by a ball attached to a string.
You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. Explain how much force must you exert to keep the pole motionless in a horizontal position
What is the magnitude of the Coulomb force between a charge of +0.60 C which is separated by 3.0 m from a second charge of -0.20 C and isolated.
For the two conducting balls as described in problem 1, when one ball is attached to a torsion balance the wire is twisted by a torsional angle of 1°. find the torsion constant of the wire
An initially neutral conductor contains a hollow cavity in which there is a -100 nC point charge. what is the charge on the inner wall of the cavity wall
A 24kg projectile is moving at 240m/s in the positive direction of the x axis when it explodes and divides into two fragments, What is the direction and speed of the other piece
A force of 10.0N is applied to a 25.0kg merry-go-round that has a radius of 4.00m. What is the torque exerted on the merry-go-round
A diverging lens with focal length of 25 cm is used to view a postage stamp 50 cm from the lens. How far from the lens does the stamp appear?
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