Question: A scientist whose scale is broken but who has a working 2.5 kW heating coil and a thermometer decides to improvise to determine the mass

A scientist whose scale is broken but who has a working 2.5 kW heating coil and a thermometer decides to improvise to determine the mass of a block of aluminum she has recently acquired. She heats the aluminum for 30 s and finds that its temperature increases from 20°C to 35°C. What is the mass of the aluminum?

Step by Step Solution

★★★★★

3.44 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Model Assume the heating is 100 efficient Visualize The temperature change is T 35C 20C 15C ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (2 attachments)

1442_6054778b945d2_693412.pdf

180 KBs PDF File

1442_6054778b945d2_693412.docx

120 KBs Word File

Students Have Also Explored These Related Physics Scientists and Engineers Questions!

Determine the mass of each substance. a. F2 b. CO c. CO2

A scientist working late at night in her low-temperature physics laboratory decides to have a cup of hot tea, but discovers the lab hot plate is broken. Not to be deterred, she puts about 8 oz of...

Determine the mass of the Earth from the known period and distance of the Moon.

Industrial Chemicals, Inc. In the Spring of 2002, the Director of Research and Development and the Business Manager of the Research and Development Division of Industrial Chemicals Incl, were faced...

Geometry Quarter Exam Name: ____________________________ Student Number: ____________________ Answer the questions below. Make sure to show your work and provide complete geometric explanations for...

solve 4 Part A One cold night a nuclear scientist whose reaction time is 0.80 s is driving his SUV at a speed of 65 km/h. Suddenly he notices a deer crossing the street at a distance 50 m from the...

Who was Klaus Fuchs? Multiple choice question. the chief lawyer for the Rosenbergs a scientist whose testimony sparked the Rosenberg investigation a scientist who testified on behalf of the...

======================================================================================================= Problem 3: Using matplotlib to create a graph Look at the code in the next two cells. It...

Look at the code in the next two cells. It imports matplotlib and numpy in the first, then generates a plot of four different functions in the second. The scale of the plot is specified on the first...

You are an agricultural scientist whose research interests focus on the determining the mechanics of increasing profits per capita. You carried out a controlled experiment to investigate the effect...

ARA Skin Care, Inc. was incorporated on July 17, 2000, primarily to engage in the business of aesthetic and dermatological services. The Company's principal office address is Maharlika Highway, Daang...

The current sections of Sanford Inc.s balance sheets at December 31, 2013 and 2014, are presented here. Sanfords net income for 2014 was $153,000. Depreciation expense was $27,000. Instructions...

Consider this case Ford has a dual class stock structure. The Ford family controls 4 0 % of voting power with around 4 % of total equity in the firm based on this example, which of the following...

The Cubs are to play a series of five games in St. Louis against the Cardinals. For any one game, it is estimated that the probability of a Cubs win is 4. The outcomes of the five games are...

A 50 g marble moving at 2.0 m/s strikes a 20 g marble at rest. What is the speed of each marble immediately after the collision?

A proton is traveling to the right at 2.0 10 7 m/s. It has a headon perfectly elastic collision with a carbon atom. The mass of the carbon atom is 12 times the mass of the proton. What are the speed...

A 50 g ball of clay traveling at speed v 0 hits and sticks to a 1.0 kg brick sitting at rest on a frictionless surface. a. What is the speed of the brick after the collision? b. What percentage of...

- Describe at least three ways a for-profit healthcare firm can increase equity . Include brief examples of each. Use the following information to answer questions 3, 4, and 5: 2- You have been asked...

Balance sheet preparation Use the appropriate items from the following list to prepare in good form Mellarks Baked Goods balance sheet at December 31, 2015. Value ($000) at Value ($000) at Item...

b b. calculate the NPV and decide if the system is worth noting the date of retum month Indicated by a minus sign. Do not round Intermediate calculations. Round your new 2 Net procent value Worth...