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
Debora [2.8K]
3 years ago
5

8. What is the mass of a toy car with a speed of 12.5 m/s and 47500 J of kinetic energy?

Physics
1 answer:
Alla [95]3 years ago
7 0

Answer:

608kg

Explanation:

Formula : <u>Kinetic</u><u> </u><u>energy</u><u> </u>

½ ×mass x speed²

<u>47500</u>

½×12.5²

=608 Kg

You might be interested in
A 2,500 kg car moves at 15 m/s^2; 15m/s^2 is the (blank) of the car.
Neporo4naja [7]
A. Acceleration.
acceleration is m/s^2. speed is m/s
7 0
3 years ago
A cube of iron (Cp = 0.450 J/g•°C) with a mass of 55.8 g is heated from 25.0°C to 49.0°C. How much heat is required for this pro
Rus_ich [418]
Q = mcΔT 
<span>q = 55.8g x 0.450J/gC x 23.5C </span>
<span>q = 590. J ................ to three significant digits

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

</span>
8 0
3 years ago
Read 2 more answers
The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as meas
algol13
<span> Atmospheric pressure decreases with altitude is because of  gravity . The more  you are away from the surface, the less atmosphere you have above you. The  relationship between the atmospheric pressure and altitude depends on the mass of the planet.
hope this helps </span>
7 0
3 years ago
Read 2 more answers
What would be the atomic number of an atom that is composed of 15 protons and 18 neutron?
Anuta_ua [19.1K]

Answer:

15

Explanation:

atomic no. = no. of protons

6 0
3 years ago
If you walk up a set of steps empty handed and walk up the same set of steps holding a flower pot in thesame amount of time. Whi
ankoles [38]

Explanation:

I think holding a flower pot. more energy will be needed

6 0
3 years ago
Read 2 more answers
Other questions:
  • Light refracts when traveling from air into glass because light
    8·1 answer
  • A cannon ball is launched off a 100 m cliff horizontally with an initial horizontal velocity (Vx) of 50 m/s.
    10·1 answer
  • Por favor. Escribe en Notación científica las siguientes medidas:
    9·1 answer
  • Why do clothes often cling together after tumbling in a clothes dryer? 1. the dryer heat caused some of the fabrics to melt toge
    5·2 answers
  • An 8.00-kg point mass and a 12.0-kg point mass are held in place 50.0 cm apart. A particle of mass m is released from a point be
    15·1 answer
  • If the distance of a charged particle from a wire changes from 10cm to 20 cm , what happens to its magnetic field
    5·2 answers
  • A wheel is observed to rotate 5 complete revolutions in 25 seconds. What is its angular speed
    13·1 answer
  • In your own words, explain newtons law of universal gravitation
    13·1 answer
  • In the chemical formula for an ionic compound, which item is written first?
    14·1 answer
  • All waves change speed when they enter a new medium, but they don't always bend. When does bending occur?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!