Calculate the power rating of the heater

Reference no: EM13518605

a. 400 L of water is at 4 oC. If it took a heat 600 seconds to heat this up to 6 oC, what is the power rating of the heater?

b. A 95g cup of tea at 85 oC is poured into a 1.25 L large tub of water at 30 oC . What is the equilibrium temperature?

c. 150 g of ice at -10.5 oC is raised to the melting point and then raised to 76.0 oC. How much heat is added to the system?

d. A distant star is 7000 K and radiates 1.20 x1027 W. What is the star%u2019s radius? Assume %u03B5 = 1.0.

Reference no: EM13518605

Questions Cloud

City and the soul as developed in the republic : Socrates’ initial reason for founding the city in speech is to learn something about justice in the soul. What is the relationship between the city and the soul as developed in the Republic?

Obtain the total angular momentum of the system : A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.979 rad/s. You, with a mass of 70.3 kg, walk clockwise around the platform along its edge at the speed of 1.11 m/s with respect to the platform. Calculate the ..

Determine the capacitance of a paraell-plate capacitor : find capacitance of a paraell-plate capacitor with area 34_cm^2, seperation distance 0.72_mm an dielectric with constant 2.5. use 8.85 x 10^-12 C^2/N*m^2

Determine the resitance of silver wire : the resistivity of silver at 20 degrees C is 1.59 x 10^-8 ohms*m and it temp coefficient is 0.0061/degree C. Find resitance of silver wire at 43 degree C

Calculate the power rating of the heater : 400 L of water is at 4 oC. If it took a heat 600 seconds to heat this up to 6 oC, what is the power rating of the heater

Differences in the ethical codes of people : Evaluation activity takes on a fuller, richer meaning if we think of this activity in terms of the evaluation and of individual salespeople.

Determine the three longest wavelengths : A film of MgF2 (n = 1.38) having thickness 1.68 10-5 cm is used to coat a camera lens. What are the three longest wavelengths that are intensified in the reflected light

What is the average force on the nail by the wood : A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg. what is the average force on the nail by the wood

Estimate the rise in temperature : A person undergoing radiation treatment for a cancerous growth receives an absorbed dose of 1.8 Gy. All the radiation is absorbed by the gowth. Determine the rise in temperature

User Account

All Pages