shamsmohammed72 shamsmohammed72

21-10-2016
Physics

contestada

Q. A body weighs 50 N in air and when immersed in water it weighs only 40 N. Find its relative density.

Respuesta :

TerryDrew TerryDrew

21-10-2016

The relative density is the ratio of a substance being measured with its reference which is usually water.

In hydrostatic weighing where force is involved, the formula to use is:

RD= Density in air/ Density in air - Density in water

Therefore = 50/50-40 = 50/10 = 5

RD= 5N

Answer Link

Otras preguntas

Question 2 (5 points) In Only Daughter, the author believes that her loneliness has a child helped make her a better writer. Which quote supports the author's

2 1/2 ÷ 2 2/3. Answer is in a fraction form

What is the value of –25 – 18? –43 –17 –7 7 43

You’re repairing a large rectangular aquarium. The final step is to cover the glass with a protective film. The front and back of the aquarium measure 4 meters

Help me guys what is the answer

Scissors are considered a compound machine because they are made of two inclined planes they are made of a lever and a wedge they make work easier

A number cube with the numbers 1, 2, 3, 4, 5, and 6 is rolled 1000 times. About how many times would it be expected that a number less than 5 is rolled?

Correct answers only please! Avery works two jobs. She usually works at a retail store for 5 hours during the day and is paid $10 per hour by the store. In the

Plz explain and help

Given is the formula: N(t)= 150 (1 - e^-0,05t) The derivative is: N'(t)= 7,5e^-0,05t Explain how to get from the first formula to the second one.