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
Alexandra [31]
3 years ago
15

A dog running at a speed of 12 m/s has 1,080 J of kinetic energy. What is the mass of the dog

Physics
1 answer:
Gnom [1K]3 years ago
5 0

Answer:

The mass of the dog is 15 kg

Explanation:

We use the formula for the kinetic energy of the dog:

KE=\frac{1}{2} m\,v^2

Then, in our case:

KE=\frac{1}{2} m\,v^2\\1080 \,=\,\frac{1}{2} m\,(12)^2\\m = \frac{2*1080}{144} \\m=15 \,\,kg

You might be interested in
In order to find the resultant of two vectors we must use the pythagoran therom, a +b2-2. Where the crepresents the resultant ve
nadezda [96]

Answer:

Furthermore, the Pythagorean theorem works when the two added vectors are at right angles to one another - such as for adding a north vector and an east vector.

8 0
2 years ago
What is the electric force acting between two charges of -0.0045 C and -0.0025 C that are 0.0060 m apart? Use Fe=kq1q2/r^2 and k
oksano4ka [1.4K]

Answer:

D. 2.8 × 10⁹ N

Explanation:

The force between two charges is directly proportional to the amount of charges at the two points and inversely proportional to the square of distance between the two points.

Fe= k Q₁Q₂/r²

Q₁= -0.0045 C

Q₂= -0.0025 C

r= 0.0060 m

k= 9.00 × 10 ⁹ Nm²/C²

Fe= (9.00 × 10 ⁹ Nm²/C²×-0.0045 C×-0.0025 C)/0.0060²

=2.8 × 10⁹ N

4 0
3 years ago
Read 2 more answers
What is the period of a wave if 3 waves passes every 6 seconds
Naya [18.7K]
Time period = time/no. of waves = 6/3 = 2s
4 0
3 years ago
Question 5 help please
IrinaVladis [17]

Answer:

It is another machine that helps the main machine. Hope that helps!

5 0
3 years ago
8 colors according to their alphabetical order​
damaskus [11]

Answer:

8 colors in alphabetical order are

Black

blue

brown

Green

Orange

Pink

Purple

Yellow

Explanation:

6 0
2 years ago
Other questions:
  • A small ball is attached to one end of a rigid rod with negligible mass. The ball and the rod revolve in a horizontal circle wit
    5·1 answer
  • Fred points a toy laser gun at a wall. Considering that the frequency of the gun's light is 4.91 × 1014 hertz and that Planck’s
    11·2 answers
  • At a maximum level of loudness, the power output of a 75 piece orchestra radiated as sound is 70.0 w. What is the intensity of t
    7·1 answer
  • The nearest star to the Earth is the red dwarf star Proxima Centauri, at a distance of 4.218 light-years. Convert this distance
    9·1 answer
  • find the power needed in a circuit that has a toaster that uses 115 volts and 5 amperes and a hot plate that used 115 volts and
    6·1 answer
  • can someone please help me answer this in the next 15 minutes. ill give a brainiest to whoever can help me. tysm if u do!! :))
    13·1 answer
  • Which of the following types of electromagnetic radiation has the most energy?
    12·2 answers
  • 1) Manipulate is to measure as
    5·1 answer
  • You are concerned about the moon roof on your new sports car. It seems to flex when driving at high speeds. Calculate how much n
    13·1 answer
  • Identify impacts of air pollution
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!