Wen

Questions and answers by visitors named Wen

Questions (7)

A motorboat can maintain a constant speed of 24 mph relative to the water. The boat makes a trip upstream to a certain point in
1. 2 answers
2. 925 views
The horsepower (hp) that a shaft can safety transmit varies jointly with its speed (in revolutions per minute, or rpm) and the
1. 3 answers
2. 910 views
15 decreased by twice n equals 13
1. 3 answers
2. 554 views
N is increased by 2n,the sum is 5more than 4n
1. 4 answers
2. 522 views
If 25 mL of 0.20M NaOH is added to 20 mL of 0.25M boric acid, what is the pH of the resultant solution?
1. 3 answers
2. 746 views
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the
1. 1 answer
2. 467 views
The half life of radium is 1590 yrs. how long will it take to 1 gm of element to loose 0.1gm. full solution please.
1. 1 answer
2. 390 views