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!
1. Convert them
(a) 456 cal to joules
(b) 22.3 j to Calories
(c) 234 kj to Calories
(d) 12.4 Cal to joules
2. Calculate the amount of heat required to heat a 3.5-kg gold bar from 21 degrees celcius to 67 degrees celcius.
3. If 57 j of heat are added to an aluminum can with a mass of17.1 g, what is its temperature change?
4. Calculate the final temperature of 32 ml of ethanol initially at 11 degrees celcius upon absorption of 562 j of heat. (density of ethanol = 0.789 g/ml)
5. How much heat in kilojoules is required to heat 56 L of water from 85 degrees F to 212 degrees F?
6. A room contains 48 kg of air. How many kilowatt-hours of energy are necessary to heat the air in the house from 7 degrees celcius to 28 degrees celcius? The heat capacity of air is 1.03 j/g degrees celcius.
A Meteorite Strikes On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, leaving a dent 22 cm deep in the trunk. If the meteorite struck the car with a speed of 130 m/s , what was the magnitude of its deceleration, assuming it t..
Cheetahs, fastest of the great cats, can reach 45 in 2 starting from rest. Assume that they have constant acceleration throughout that time, find their acceleration (in (a) and (b) ) and the distance (in (c) and (d) ) Q2. They travel during that t..
A solid concrete wall 4.0 m by 2.4 m and 30 cm thick, with a thermal conductivity of 1.3 W/(m?K), How much heat flows through the wall in one hour
Two particles execute simple harmonic motion of the same amplitudeand frequency along close parallel lines. What is their phase difference
A horizontal spring with a spring constant of 0.5 N/m sits on a frictionless table. what is the magnitude of the acceleration of the mass
A ball is thrown straight upward and rises to a maximum height of 13.8 m above its launch point. At what height above its launch point has the speed of the ball decreased to one-half of its initial value
Air Bus company Key functional strategies
A pulley with a radius of 10.0 cm is mounted on an axle that passes through the center of the pulley. calculate the instantaneous angular speed of the pulley
A 35.5 kg girl and a 58.0 kg boy are on the surface of a frozen lake, 12.5 m apart. Using a rope, the girl exerts a horizontal 4.60 N force on the boy, pulling him toward her.
The engery used by a human while running is approximately proportional to the speed. if we expressed the energy used by a runner in terms of, say miles per candy bar, who gets better mileage per candy bar, a runner who completes a marathon in 2 1/..
A capacitor is connected across an ac generator whose frequency is 746 Hz, What is the magnitude of the maximum charge on one plate of the capacitor
three capacitors 4.0 6.0 and 8.0 microf are connected in series across a 50.0 v battery. find the voltage across the
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