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
cestrela7 [59]
2 years ago
5

An open system starts with 52 J of mechanical energy. The energy changes

Physics
1 answer:
spayn [35]2 years ago
5 0

Answer:

I think the answer is D,54 joules

You might be interested in
A heavy truck and a small truck roll down a hill. Neglecting friction, at the bottom of the hill the heavy truck has greater
postnew [5]

Answer:

kenetic energy

Explanation:

or potential energy

3 0
3 years ago
Explain what a concentration gradient is and what it means for a molecule to diffuse down its
MArishka [77]

Answer:

Diffusing the gradient ensures that most of the molecules in high concentration zone will wind up in the previously low concentration by the spontaneous movement of small molecules.

Explanation:

A gradient of concentration is the difference between in concentration of one place / area substance to different area. Having a molecule flow down its concentration gradient means moving the molecules from hypotonic areas to the concentration hypertonic areas

Diffusing the gradient ensures that most of the molecules in high concentration zone will wind up in the previously low concentration by the spontaneous movement of small molecules.

7 0
3 years ago
A mass is placed at the end of a spring. It has starting velocity of V & allowed to oscillate freely. If the mass has a star
LiRa [457]

Answer:

Equation for SHM can be written

V = w A cos w t        where w is the angular frequency and the velocity is a                                         maximum at t = 0

V1 = w1  A cos w1 t

V2 = w2 A cos w2 t

V2 / V1 = w2 / w1     since cos X t = 1 if t = zero

V2 / V1 = 2 pi f2 / (2 pi f1) = f2 / f1 = T1 / T2

If the velocity is twice as large the period will be 1/2 long

8 0
2 years ago
What is the area of the bottom of a tank 30.0 cm long and 15.0 cm wide?​
Igoryamba

Answer:

perimeter of the bottom of the tank is 450 cm

Explanation:

If you want to get area you need the Length, width,and height.

5 0
2 years ago
Read 2 more answers
If the mass of a material is 87 grams and the volume of the material is 14 cm3, what would the density of the material be?
tresset_1 [31]

Answer:

6.214g/cm³

Explanation:

The question is on density of a material

Density=mass/volume

Given, mass=87grams   and volume= 14 cm³  density=?

Density=m/v 87/14 =6.214g/cm³

8 0
2 years ago
Other questions:
  • Many kayaks are made of plastic and other composite materials that are denser than water. How are such kayaks able to float in w
    8·1 answer
  • During the winter, what type of precipitation would most likely fall in New York, with temperatures averaging 32 F?
    15·2 answers
  • What are five things that cars use to live or help them function
    7·2 answers
  • An airplane starts at rest and accelerates down the runway for 25 s. At the end of the runway, its final velocity is 75 m/s east
    7·1 answer
  • 24. Compare and contrast the 'Big Bang Theory' with the 'Creation Model for the origin of the
    14·1 answer
  • Please help fast
    11·1 answer
  • . A girl runs and jumps horizontally off a platform 10m above a pool with a speed of 4.0m/s. As soon as she leaves the platform,
    6·1 answer
  • The average, year-after-year conditions of temperature, precipitation, winds, and cloud in an area are known as its
    11·1 answer
  • Como se conserva la energia mecanica del cuerpo de un deportista
    11·1 answer
  • What is the centripetal force necessary to keep a 0.4 kg object rotating in a circular path
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!