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
ohaa [14]
3 years ago
15

A car moving with a velocity of 20 meters/second has 1.8 × 105 joules of kinetic energy. What is the mass of the car?

Physics
1 answer:
PSYCHO15rus [73]3 years ago
7 0
V = 20 m/s 
Ecin = 1.8 x 10^5 J 

Ecin = m*v^2/ 2 
1.8*10^5 = m*400/2 
200m = 1.8*10^5 

I know you can do it :) 

You might be interested in
For which pair of objects would adding the same amount of electrons to each object result in a decrease in the electric force?
Licemer1 [7]
The answer is A... hope this helps
4 0
3 years ago
Read 2 more answers
How are air temperature and air pressure related?
geniusboy [140]

Answer: Whenever the temperature is high, the air pressure is low.

Explanation:As the temperature rises, the air gets heated, expands, and becomes lighter. … As a result, the air pressure in such areas decreases.

5 0
2 years ago
How many atoms of nitrogen are in the chemical formula Ni(NO2),?<br>W ON​
g100num [7]

Answer: Number of nitrogen atoms = 2 Number of oxygen atoms = 6 Therefore, we can conclude that out of the given options, number of nitrogen atoms present in the formula are 2.

Explanation:

4 0
3 years ago
40 POINTS CORRECT ANSWER
LUCKY_DIMON [66]
F=-kx
so multiple the two numbers together and put a negative sign in front
 F=-19.25
3 0
4 years ago
What must be true of a force that causes an object to move in a circular motion?
Dmitriy789 [7]

C. It acts perpendicular to the velocity and it's directed towards the center

hope this helps :)

4 0
4 years ago
Read 2 more answers
Other questions:
  • A student is taking an animal science and an astronomy class. In animal sciences, she learns that panthers are called jaguars an
    13·2 answers
  • Which era is where dinosaurs came
    11·2 answers
  • Please help it’s my last question. What is the acceleration of the object in the graph?
    7·2 answers
  • What does critical mean?
    15·2 answers
  • Use the picture to answer the question.
    6·2 answers
  • Someone please help with this
    13·1 answer
  • How is the mass of air in a hot air balloon affected when it is floating?
    8·1 answer
  • What is the total amount of kinetic and potential energy in a system ?
    15·1 answer
  • a 900 kg helicopter accelerates downwards at a rate of 2.50 m/s/s. what is the magnitude of the lifting force on the helicopter
    8·1 answer
  • What is the meaning of the reference point in electric potential?.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!