Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. A Carnot engine performs work at the rate of 470 kW while using 650 kcal of heat per second. If the temperature of the heat source is 590°C, at what temperature is the waste heat exhausted?
The low temperature of a freezer cooling coil is -18°C and the discharge temperature is 34°C. What is the maximum theoretical coefficient of performance?
An ideal refrigerator-freezer operates with a COP = 5.0 in a 26°C room. What is the temperature inside the freezer?
What volume of water at 0°C can a freezer make into ice cubes in 1.4 hours, if the coefficient of performance of the cooling unit is 8.0 and the power input is 1.0 kilowatt?
A parallel-plate air capacitor with a capacitance of 245 has the charge of magnitude 0.1502 on each plate. The plates have the separation of 0.323.
How much work did the movers do (horizontally) pushing a 190-{rm kg} crate 11.2 m across a rough floor without acceleration, if effective coefficient of friction was 0.60.
The gravitational force exerted on a baseball is 2.23 N down. A pitcher throws the ball horizontally with velocity 14.5 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 169 ms. The ball starts from rest.
A car moves from a point located 26.0 m from the origin and at an angle of 35.0 from the x-axis to the point located 57.0 m from the origin and at an angle of 60.0 from the x-axis in 2.52 s.
Suppose a constant ratio of 13.60 counts per minute per gram of living matter. A sample of a petrified tree was found to give 1.8 counts per minute per gram. How old is the tree.
A gardener feels it is taking him excessively long to water a garden with a 0.952cm diameter hose. By what factor will his time be shortened, if he uses a 1.58 cm diameter hose.
Coin is placed 14.0 from the axis of the rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on turntable until a rate of 40.0 (revolutions per minute) is reached, at that point the coin s..
What is the rms speed of nitrogen molecules contained in an 7.9 m3 volume at 2.1 atm if total amount of nitrogen is 1100 mol.
The parallel metal plate of a capacitor is separated by a distance of 0.5cm and is connected to a 90v battery. Discover an electric field between them and the surface charge density .
An archer shoots an arrow horizontally at the target 14 m away. The arrow is aimed directly at the center of target, but it hits 59 cm lower.
Falls resulting in hip fractures are a major cause of injury and even death to the elderly. Typically, hip's speed at impact is about 2. If this can be reduced to 1.30 or less, hip will usually not fracture. One way to do this is by wearing elasti..
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd