Answers: 3
Physics, 22.06.2019 07:00
If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?
Answers: 2
Physics, 22.06.2019 23:30
An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=−2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.
Answers: 2
Physics, 23.06.2019 02:30
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 08:00
(10 pts! ) the major factor which causes seasonal weather changes on the earth is: a. elliptical orbit b. variation in distance from sun c. tilt of the axis d. atmosphere
Answers: 2
If a person travels 15 meters north and then turns right and travels 20 meters east and then turns r...
Computers and Technology, 11.07.2021 14:00
Mathematics, 11.07.2021 14:00
Business, 11.07.2021 14:00
Social Studies, 11.07.2021 14:00
English, 11.07.2021 14:00
Computers and Technology, 11.07.2021 14:00
Biology, 11.07.2021 14:00
Physics, 11.07.2021 14:00
Computers and Technology, 11.07.2021 14:00
Mathematics, 11.07.2021 14:00
Mathematics, 11.07.2021 14:00