Physics, 02.09.2020 19:01 kittybatch345
1. A ball is thrown straight up. if the launch velocity is 15 m/s, at what velocity will the ball return to the thrower's hand? 2. A boat moves across a river going 18 m/s. At the same time there is a current flowing at a right angle to the boat at 6 m/s. What is the resulting velocity of the boat?
Answers: 3
Physics, 22.06.2019 22:20, bryanmcmillianjr
Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b. w c. v d. u
Answers: 3
Physics, 22.06.2019 23:30, selena827
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
Physics, 23.06.2019 18:00, Ariellyvz9103
A150 liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25°c without change the temperature a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.00 atmospheres the volume of the gas
Answers: 3
1. A ball is thrown straight up. if the launch velocity is 15 m/s, at what velocity will the ball re...
History, 17.07.2020 20:01