wes

This page lists questions and answers that were posted by visitors named wes.

Questions

The following questions were asked by visitors named wes.

A mail handler needs 3 hours to sort the mail, but with an assistant, it takes 2 hours. How long would it take the assistant to sort the mail working alone?
15 years ago
Calculate the pH of the following solutions. (A) 0.95 NaOH (B) 9.9x10^-10 M NaOH (C) 6.7 M NaOH
12 years ago
a jar contains 5 blue marbles, 8 red marbles,4 white marbles,and 3 purple marbles. suppose you pick a marble at random not looking. what is the chance of getting a red marble
12 years ago
You throw a ball with a mass of 182.2 g, with a speed of 4.6 m/s. Calculate the kinetic energy in Joules to 3 s.f. , and what is the uncertainty C=1 (Unsure: <67%) C=2 (Mid: >67%) C=3 (Quite sure: >80%)?
11 years ago
You drop a ball, mass 127.5 grams from a height of 83.0 cm. It bounces back to a height of 50.5 from the floor. What is the change in gravitational potential energy from the moment it is dropped, to the moment it reaches the maximum height from the bounce...
11 years ago
What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero
11 years ago
A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres. What is the change in gravitational potential energy? Give your answer in Joules, to 2 significant figures.
11 years ago
A horizontal spring with a spring constant k = 322 N/m is uncompressed from a length of 1.4 cm back to its unstretched length. Calculate the change in potential energy in Joules to 2 s.f.
11 years ago
what is the reaction between potassium chloride and bromine?
9 years ago
van can swim 3.0 m/s in still water. while trying to swim directly across a river from west to east, van is pulled by a current flowing southward at 2.0 m/s. what is the magnitude of van's resultant velocity?
9 years ago
Ok if the source said Parents often want to consult with doctors over the phone in off hours to determine if a child needs to be seen. and I wrote Parents may call pediatricians after hours to see if they should bring in their child. Is that plagiarism.
7 years ago
I know I'm asking a lot of questions about plagiarism but I'm nervous lol. If I diagram two sentences and they don't look the same I might be free from plagiarism right? Like the two sentences I asked about earlier. From the source Parents often want to c...
7 years ago

Answers

The following answers were posted by visitors named wes.