![subject](/tpl/images/cats/fizika.png)
Physics, 14.12.2019 06:31 connienash95
For an experiment, yolanda rubs a cloth against a balloon and places the balloon next to running water. what happens?
1: the balloon breaks from the pressure of the water.
2: the charged balloon repels the water.
3: the uncharged water is attracted to the charged balloon.
4: the water spills over the balloon, and the balloon gets wet.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:20
Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 07:00
Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 15:30
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples
Answers: 1
You know the right answer?
For an experiment, yolanda rubs a cloth against a balloon and places the balloon next to running wat...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 10.02.2021 03:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/User.png)
Engineering, 10.02.2021 03:40
![question](/tpl/images/cats/en.png)
English, 10.02.2021 03:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 10.02.2021 03:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.02.2021 03:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
Engineering, 10.02.2021 03:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 10.02.2021 03:40
![question](/tpl/images/cats/mat.png)
Mathematics, 10.02.2021 03:40
![question](/tpl/images/cats/mat.png)