1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
allsm [11]
2 years ago
11

Two substances, M and N, have specific heats c and 2c. if heats Q and 4Q are supɔlied to Mand N, respectively, their changes in

temperature become equal. If substance M has mass m, find the mass of substance N in terms of m
​
Physics
1 answer:
Ierofanga [76]2 years ago
6 0

Answer:

If the mass of B is m and the temperature change is the same, the mass of B will be 2m.

Explanation:

Q = mcT

T = mc/Q

M = 4Q/2cT........... (1)

T = Q/mc

Plug this in equation 1.

M = 4Q/(2c × Q/mc)  = 4Q ÷ 2Q/m  = 4Q × m/2Q = 2m

You might be interested in
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed o
Natali5045456 [20]
The time it will take him to fall can be found from:-3m = -(g*t^2)/2
Find that time, it's the time the horse will travel horizontal while the cowboy is falling.So the horizontal distance away is  10 m/s * t
3 0
3 years ago
A 2 kg block slides on a rough horizontal surface with muk=0.6. It has an initial velocity of 5 m/s. Use g = 10 m/s2
Irina18 [472]

Answer:

360000

Explanation:

4 0
3 years ago
Air at 20°c (1 atm) enters into a 5-mm-diameter and 10-cm long circular tube at an average velocity of 5.4 m/s. the tube wall is
velikii [3]
Im really sorry. pls dont report this comment. i need points. I have a question but I am bad at english and I cant answer peoples
8 0
3 years ago
The earliest known records describing electric charge involve the use of _____.
blondinia [14]
Amber is the answer to this question
5 0
3 years ago
Read 2 more answers
A car races around a circular track. Friction on the tires is the what that acts toward the center of the circle and keeps the c
Ivanshal [37]
I would think force. Because friction has to have force to work ^-^
8 0
3 years ago
Other questions:
  • The average kinetic energy of particles in an object is also known as _________.
    8·1 answer
  • In a chemical reaction, activation energy increases the __________ of the reactants. This outcome causes the particles to collid
    13·2 answers
  • Micha ran 2 miles north in 20 minutes. She then turned back and ran 1 mile in 15 minutes. To cool down, she walked the rest of t
    7·1 answer
  • 5 characteristics of an Electromagnetic wave
    7·1 answer
  • The field between two charged parallel plates is kept constant. If the two plates are brought closer together, the potential dif
    12·1 answer
  • Currents in the ocean are caused by differences in water density. Colder, denser water tends to
    9·2 answers
  • The 6kg box is pushed to the left at a constant speed. The coefficient of friction is 0.78. Solve for the amount of force with w
    10·1 answer
  • a heater 60w evaporates 6×10–3kg of boiling water in 60s.what is the specific latent heat of vaporisation of water in jkg–1​
    13·1 answer
  • The mass of Mars is 6. 42 × 1023 kg. Its moon Phobos is 9378 kilometers away from Mars and has a mass of 1. 06 × 1016 kg. What i
    14·1 answer
  • 1. A drag racer accelerates from rest at 18ft/sec^2. How long does it take to acquire a speed of 60mph? What is required?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!