### What the temprature of the cold reservoir

Assignment Help Physics
##### Reference no: EM13488964

a heat engine expels its waste at 300 C and has a carnot efficency of 25% without changing its intake temprature. What the temprature of the cold reservoir should be made to increase the engine efficency to 35% ?

#### Questions Cloud

 Describe and justify eight metrics : Describe and justify eight metrics that you believe ABC should include in its Balanced Scorecard - Do you believe this firm's quality initiatives have been successful Explain what is the actual potential of this galvanic cell : What is the actual potential of this galvanic cell? Need step by step solution!! don't just copy and paste the other answer for this same problem..i will rate 5 stars for a good clean written answer! Estimate the mass of ice : we mixed up some unknown mass of ice at 0 C with 1 kg of steam at 100 C and soon established thermal equalibrium at 55 C what was the mass of ice Prepare a multiple-step income statement for 2010 : Prepare a multiple-step income statement for 2010 for Howell Corporation that is presented in accordance with generally accepted accounting principles (including format and terminology). What the temprature of the cold reservoir : a heat engine expels its waste at 300 C and has a carnot efficency of 25% without changing its intake temprature. What the temprature of the cold reservoir Prepare journal entry to write off janets uncollectible debt : On January 31, 2010, Janet won the lottery and on the same day she decided to repay all of her original debts to everyone whom she owed money. Prepare the journal entry to record Walter's unexpected receipt of Janet's payment. Explain how many grams of aspirin were lost : Given: actual yield of Aspirin=1.47g Percent yield=51.8% Theoretical yield: 2.84 1.) a] How many grams of aspirin were lost in the washing process you used to purify your product, assuming you used 50 mL of water for washing? The solubility of asp.. What is the largest mass the person can have : A pair of cylindrical shoes each having a radius of 1 m and height of 5 cm are designed to allow a person to stand on water without getting their feet wet. What is the largest mass the person can have What is the force applied to the plunger : A syringe has a plunger that has a radius of 0.5 cm. A 2 cm long needle is attached. The opening in this needle has a radius of 0.2 mm. What is the force applied to the plunger

### Write a Review

#### Compute the distance it travels during the first second

When the Sun is straight overhead, a hawk dives toward the ground with the constant velocity of 4.50 m/s at 52° below the horizontal. Compute the speed of her shadow on the level ground.

#### What is the magnitude of the total electric force

A charge of -5.8 micro-Coulombs is placed at x = 0, y = 0. A charge of +17.1 micro-Coulombs is placed at x = 0, y = +36 cm. Another charge of +34.8 micro-Coulombs is placed at x = +33 cm, y = 0 cm. What is the magnitude of the total electric force..

#### What is the speed of the river current

A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 34 m downstream from point directly across the river, which is 80 m wide.

#### Calculate the final & resultant velocity and acceleration

A ballplayer catches a ball 2.75 seconds after throwing it vertically upward. With what speed did he throw it? Calculate the final & resultant velocity and acceleration.

#### Find the period of the resulting motion of the box

on a horizontal, frictionless table, an open-topped 5.30-kg box is attached to an ideal horizontal spring having force constant 360 N/m. Find the period of the resulting motion of the box

#### Find out the final velocity of the initially moving ball

On a cello, the string with the largest linear density (1.54 10-2 kg/m) is C string. This string produces a fundamental frequency of 63.4 Hz and has the length of 0.795 m between the two fixed ends. Find tension in the string.

#### Determine the height of the final image

A converging lens with a focal length of 13.7 cm and a diverging lens are placed 24.0 cm apart, with the converging lens on the left. What is the height of the final image

#### Find how high will the ball go

A boy throws up a ball 15m/s, how high will the ball go and what is the duration (total time) in the air from throw to catch

#### How much time elapses before you hear the sonic boom

A supersonic jet passes directly overhead at an altitude of 11,585 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom

#### Determine how much does its length change

A 1.8-m-long steel wire in a musical instrument has a radius of 0.02 mm. When the wire is under a tension of 88 N, how much does its length change

#### What must the focal length of the camera lens be

Prior to the development of the digital camera, the 35-mm film camera was the norm. The designation "35 mm" refers to the size of the film (screen) on which the image is formed, What must the focal length of the camera lens be

#### Find the radiation pressure on the mirror

A 23.2-mW laser beam of diameter 2.18 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror