What is the focal length of the lens
A convex lens is held over a piece of paper outdoors on a sunny day. When the paper is held 20 cm below the lens, the sunlight is focused on the paper and the paper ignites. What is the focal length of the lens?
Expected delivery within 24 Hours
1.64g of a mixture of CaCO3 and MgCO3 was dissolved in 50ml of 0.8 M HCL. the excess of acid required 16ml of 0.25M NaOH for neutralization. Calculate the percentage of CaCO3 and MgCO3 .
How much PV work is done (in kilojoules), if 88.0 g of ethylene and 120 g of HCl are allowed to react at atmospheric pressure and the volume change is -70.3 L?
Using the Sick Leave Case, analyze the situations below, complete the actions, and prepare a four to five (4-5) page double-spaced report with your conclusions.Outline the negotiation phases and provide an example of actions to take in each ph
A man pulls a crate of mass 71.0 kg across a level floor. He pulls with a force of 178.0 N at an angle of 27.0° above the horizontal. When the crate is moving, the frictional force between the floor and the crate has a magnitude of 122.0 N. If
An archer shoots an arrow horizontally at a target 15 m away. The arrow is aimed directly at the center of the target, but it hits 60 cm lower. What was the initial speed of the arrow? (Neglect air resistance.)
A force of 2N is used to propel a toy car across the ramp at a constant velocity of 20cm/sec. What is the force of friction the car experiences with the ramp
When 24.4 mL of 0.500M H2SO4 is added to 24.4ml of 1.00M KOH in a coffee cup calorimeter at 23.5 degrees Celcius, the temperature rises to 30.17 degrees celcius. Calculate delta H of this reaction (kJ/mol H2SO4).
A project requires the use of structural steel in several tasks over the 12 month period expected to complete the work. Based on recent experience the most likely price for the material is $0.30/lb. There are, however, price fluctuations over
1940739
Questions Asked
3,689
Active Tutors
1432644
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
When Min decided to begin his supervised field experience, he applied at a company in his hometown that provided applied behavior analysis
The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
Examine historical literature to the most current period to see the growth of romanticism and EXISTENTIALISM. any major developments
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Question: Identify a true statement about validity as applied to a test. Multiple choice question