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200 grams metal at 1000C is placed on calorimeter which contains 300 grams water at 180C. If the specific heat of metal is 140 J/kg0C, determine the final temperature of the system!
200 grams metal at 1000C is placed on calorimeter which contains 300 grams water at 180C. If the specific heat of metal is 140 J/kg0C, determine the final temperature of the system!
A copper wire that has a radius of 3 cm has a uniform charge density of 12µC/m 2 . Determine the total charge present in a 1.0-m long section of the copper wire.
when hit, the velocity of a 0.2 kg baseball changes from +25m/s to -25m/s. what is the magnitude of the impulse delivered by the bat to the ball?
using method of integration, show that the moment of inertia of a uniform thin rod of length L about an axis perpendicular to the rod at a point L/4 from one of its ends can be written as 7/48ML2
The resistance R0 of platinum varies with the temperature 0°c as measured by a constant - volume where gas thermometer according to the equation. RQ = R0(1+8000 - aT -a T^2 )· where a is a constant, calculate the temperature on the platinum scale corresponding to 400°c {T} on this gas scale.
What is optics?
A device is supplied with a 320 mA current. Voltage present at device is 9V. Battery is discharged after 6 hours. What is the amount of utilized electrical work?
A particle is moving in a one dimensional width 25 Armstrong assuming the particle is in its least energy state calculate the probability of finding particle in an interval of 5 Armstrong at the distances of A/2,A/3 and at A where a is the width of the potential well
A system of pulley has a velocity ratio of 15 and AMA of 8.Find
1. the effort
2. the work output
3. the work input
4. the efficiency
#340153 on Dec 2023