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
Papessa [141]
1 year ago
6

Joanne drives her car at a speed of 20 m/s. when she applied her breaks, a frictional force of 2000 N brought her car to a compl

ete stop in 10 seconds. what is the mass of her car
A) 1000 Kg
B) 1300 Kg
C) 20,000 Kg
D) 800 Kg​
Physics
1 answer:
Papessa [141]1 year ago
8 0

Answer:

A) 1000 kg

Explanation:

vf = vi + at

0 = 20 + (a)(10)

a = -2.0 m/s^2

F = ma

2000 = (m)(2)

m = 1000 kg

You might be interested in
Which changes to observed time and length occur when objects approach the speed of light?
mixas84 [53]

Answer:

Time moves slower and length decreases.

Explanation:

3 0
4 years ago
~*~WILL GIVE BRAINLIST~*~
Kay [80]

Your answer is B. 1.53 m/s towards the beach.

110/72 = 1.52777 and then you round it to 1.53  :)


8 0
3 years ago
Which one is easy to hold in hand,a glass sheet or a cardboard? give reason
yanalaym [24]

Answer:

 (d) Force of friction acts in solids, liquids and gases and opposes the motion with respect to each other.

4 0
3 years ago
Conclusions _____.
PIT_PIT [208]

Answer:

hjk

Explanation:

hjkhjk

5 0
2 years ago
When discussing discordant and harmonious sound waves, which statement is false? A. Both types of waves are the result of compon
Kobotan [32]

When discussing discordant and harmonious sound waves, the statement that is false is knowing the frequencies of the original waves is useful in determining if the result will be discordant or harmonious. The answer is letter B.

5 0
3 years ago
Read 2 more answers
Other questions:
  • You are riding on your bike and stop pedaling , coasting along the road. eventually, your bike slows down and stops. what happen
    12·1 answer
  • A kid is on a stationary sled, on
    14·1 answer
  • In the game of 9-ball, the pool balls are initially placed in a grouping of which shape?
    7·1 answer
  • An adaptation of an animal in the desert might be to
    9·1 answer
  • Metal sphere A is hung from the ceiling by a long, thin string and given a positive charge. An identical sphere B is suspended n
    12·1 answer
  • Which is the union of one man and one woman called?
    5·2 answers
  • ]What is a GOOD AND DETAILED conclusion on a thermos. will be awarded 15 points im desperate
    14·1 answer
  • How long does it take electrons to get from a car battery to the starting motor? Assume the current is 260 A and the electrons t
    13·1 answer
  • In what phase of matter do molecules vibrate but stay in position?
    12·1 answer
  • Explain how magnets have an attractive force and repulsive force
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!