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
emmasim [6.3K]
3 years ago
15

A 2 kg ball if at rest. If the ball accelerates to 20 m/s, what is the change in momentum?

Physics
1 answer:
katrin [286]3 years ago
4 0

Answer:

change in momentum

20m/s x2=40kg/m

You might be interested in
Which of these galaxies is most likely to be oldest?
ycow [4]

Answer:

a galaxy observed at a distance of 5 billion light-years

8 0
2 years ago
If a lawn mower is pushed with a distance of 30 meters and 12N-m of work is exerted, calculate the force.
Nimfa-mama [501]

Answer:

Explanation:

W = FΔx so filling in:

12 = F(30) so

F = .4N

7 0
3 years ago
Sound waves need a medium to move through in order to keep moving. Through which of the following would sound travel the slowest
Troyanec [42]

Answer:A air

Explanation:Of the three mediums (gas, liquid, and solid) sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Temperature also affects the speed of sound.

Hope this helps you out ツ

8 0
3 years ago
Read 2 more answers
A scientist is studying a shock wave from an earthquake. What kind of wave is being studied? an electromagnetic wave a gamma ray
Anettt [7]
<span>So we want to know what kind of wave is the scientist is studying while studying earthquakes. Waves that produce earthquakes are mechanical waves. Gamma rays and radiowaves are both electromagnetic waves and don't require a medium but mechanical do. So the correct answer is mechanical waves.</span>
6 0
3 years ago
Read 2 more answers
Identify the type of electrification of the road
Arte-miy333 [17]
Electrification is widely considered as a viable strategy for reducing the oil dependency and environmental impacts of road transportation. In pursuit of this strategy, most attention has been paid to electric cars. However, substantial, yet untapped, potentials could be realized in urban areas through the large-scale introduction of electric two-wheelers.
6 0
3 years ago
Other questions:
  • What is a prediction​
    10·2 answers
  • The bent rod is supported by a smooth surface at b and by a collar at a, which is fixed to the rod and is free to slide over the
    13·1 answer
  • Two pans of a balance are 24.1 cm apart. The fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest
    15·1 answer
  • Describe two methods by a magnet can be demagnetized​
    8·2 answers
  • The pressure of a gas remains constant while the temperature, volume, and internal energy of the gas increase by 57.7 Co, 1.24 x
    6·1 answer
  • Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth for a to
    13·1 answer
  • Explain how it is possible for two different elements to have the same mass number
    10·2 answers
  • Two objects were lifted by a machine.One object had a mass of 2 kilograms and was lifted at a speed of 2 m/sec.The other had a m
    8·1 answer
  • How to measure the weight of an object??? HELP! ​
    7·1 answer
  • The main source of information used by astronomers to learn about objects in space is.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!