![subject](/tpl/images/cats/fizika.png)
You are 1.8 m tall and stand 2.8 m from a plane mirror that extends vertically upward from the floor. on the floor 1 m in front of the mirror is a table 0.8 m tall. what is the minimum height the mirror must have for you to be able to see the top of the table in the mirror
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:10
6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.
Answers: 2
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:00
Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 23:30
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
You know the right answer?
You are 1.8 m tall and stand 2.8 m from a plane mirror that extends vertically upward from the floor...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.09.2020 18:01
![question](/tpl/images/cats/mat.png)
Mathematics, 04.09.2020 18:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.09.2020 18:01
![question](/tpl/images/cats/mat.png)
Mathematics, 04.09.2020 18:01
![question](/tpl/images/cats/mat.png)
Mathematics, 04.09.2020 18:01
![question](/tpl/images/cats/en.png)
English, 04.09.2020 18:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 04.09.2020 18:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.09.2020 18:01
![question](/tpl/images/cats/ekonomika.png)
Business, 04.09.2020 18:01
![question](/tpl/images/cats/mat.png)
Mathematics, 04.09.2020 18:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 04.09.2020 18:01