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
garri49 [273]
2 years ago
5

You are going 30 m/s in a car of mass 1000 kg when you reach a red light and stop your car.

Physics
1 answer:
Radda [10]2 years ago
5 0

Answer:

Explanation:

The kinetic energy will convert to heat energy (provided the car has friction brakes and not regenerative brakes as might be found on an electric or hybrid) Also<u> assuming level road</u>.

E = ½mv² = ½(1000)30² = 450,000 J

You might be interested in
What is one disadvantage of a series circuit?
nlexa [21]

If one bulb goes out then all the others won't light up because electricity will be cut off. It's a disadvantage because in a parallel circuit if one bulb burns out all the others will still be on because they won't be affected. I hope I've helped you ☺


6 0
4 years ago
Calculate the wavelength λ1 for gamma rays of frequency f1 = 7.20×1021 hz .
bagirrra123 [75]
The relationship between wavelength \lambda, frequency f and speed of light c for an electromagnetic wave is
\lambda= \frac{c}{f}
Using the data of the problem, we find
\lambda= \frac{3\cdot 10^8 m/s }{7.20 \cdot 10^{21} Hz}=4.17 \cdot 10^{-14} m
5 0
3 years ago
What is a moment of a force
kirza4 [7]

Answer:

In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment, moment of force, rotational force or turning effect, depending on the field of study. The concept originated with the studies by Archimedes of the usage of levers

7 0
3 years ago
A rectangular block of steel measures 4cm*2cm*1.5cm*. its mass is 93.6g
nata0808 [166]

Answer:

b

Explanation:

5 0
3 years ago
Which property describes the ability of one substance to dissolve in another substance?
oee [108]
The answer would be solubility
5 0
3 years ago
Other questions:
  • Two insulated copper wires of similar overall diameter have very different interiors. One wire possesses a solid core of copper,
    6·1 answer
  • The ___ model of the atom states that an electron's exact location within an atom can not be determined, but its probable locati
    11·1 answer
  • The energy efficiency of an incandescent light bulb (= the percentage of consumed power that is actually converted into radiated
    8·1 answer
  • A satellite orbiting Earth has a tangential velocity of 5000 m/s. Earth’s mass is 6 × 1024 kg and its radius is 6.4 × 106 m.
    11·2 answers
  • In a sound wave, the maximum displacement of the air molecule from it's undisturbed position is called _______________.
    12·1 answer
  • On his way to class, a student on a skateboard is accelerating on a downhill stretch. Which of the following statements is true?
    8·1 answer
  • A 100.0-kg bakery sign hangs from two thin cables as shown.
    9·1 answer
  • 120 J of work was done to lift an object 6 m above
    6·1 answer
  • Gravitational potential energy is due to....
    7·1 answer
  • Why is it difficult to define abnormal behavior?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!