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Question1
A cube of ice is taken from freezer at -8.3°C and placed in a 100 g aluminium calorimeter filled with 289 g of water at room temperature of 20°C. The last situation is observed to be all water at 18°C. What was mass of the ice cube?
Question2
Two blocks have mass m and M = 2.02m, respectively. A light spring is attached to one of them, and the blocks are pushed together, Lopez rodriguez (kyl277) - Momentum - antley - (MWA1) 2 compressing the spring between them. They are secured, in this compressed state, by a cord. They are then placed, at rest, on a horizontal, frictionless surface. The cord holding them together is burned, after that the block of mass M moves to the right with a speed of 1.55 m/s.
An electric wire that has a mass of 5 kg for a 20m length is strung between two poles 20 m apart. What should be the tension in the wire if it is to take 0.8 seconds for a pulse to travel along the wire from one pole to the other.
A wind turbine turns an electrical generator that contains a wire coil with 36 loops and a loop area of 0.10 m2. what is the rms amplitude of the AC voltage produced by the generator
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 296 K. Determine the temperature of the well water
A standing wave is produced on a clothesline 8m long when five birds sit on the line. No birds sit on the end. What is the wave speed
Guess scale factor of the Universe
A ray of sunshine is passing from diamond into crown glass; the angle of incidence is 35.00 degrees. Determine the angle between the refracted blue and red rays
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. The aluminum is 3 mm thick.
A car of mass 1530 kg traveling at 24 m/s is at the foot of a hill that rises 110 m in 3.8 km. Find the average power delivered by the car's engine
A charged sphere of radius 10 cm has a total charge of 5 C. Calculate the potential at the surface of the sphere
A 92 kg climber rappels down the rope applying friction with figure eight (piece of climbing equipment ) to reduce his his downward acceleration.
During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive force of 120 N to the tire's rim. what force must be applied to the chain
Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
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