Question

Как найти массу в физике,зная:время,КПД,мощность,q?

Answer 1

Мощность прибора умножаем на КПД. Получаем полезную мощность. Умножаем на время. Получаем работу. А работа при поднятии предмета равна высоте, умноженной на массу и на 9,81Н/кг. Делим работу на высоту (в метрах) и на 9,81Н/кг. Получаем массу.

Answer 2

Finding Mass in Physics

To find the mass in physics, you can use the formula involving time, efficiency (or thermal efficiency), power, and heat. The formula is as follows:

Mass = (Power * Time) / (Efficiency * Heat)

Let's break down the components and their values:

- Time (t): The time is given as t = 2.0 c [[2 #2]]. - Efficiency (η): The efficiency is not explicitly given in the provided information. - Power (P): The power is given as P = 80 [[2 #2]]. - Heat (Q): The heat is given as Q = 250 [[2 #2]].

Using the provided values, we can calculate the mass using the formula mentioned above.

Mass = (80 * 2.0) / (Efficiency * 250)

Unfortunately, without the specific value for efficiency, we are unable to calculate the mass accurately. If you have the value for efficiency, you can substitute it into the formula to find the mass.

If you have any further questions or if there's anything else I can help you with, feel free to ask!