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
Bogdan [553]
3 years ago
11

a car accelerates from rest to a velocity of 5meters/second in 4 seconds. what is its average acceleration over this period of t

ime?​
Physics
1 answer:
Pani-rosa [81]3 years ago
6 0

Answer:

1.25 m/s²

Explanation:

Average acceleration is the change in velocity over change in time.

a = Δv / Δt

a = (5 m/s − 0 m/s) / 4 s

a = 1.25 m/s²

You might be interested in
What is the average horizontal component of force exerted on his feet by the ground during acceleration?
Arte-miy333 [17]
Well you have to think of it like electricity go through your answer closes to that and figure it out
7 0
3 years ago
A small car and a large heavier bus are traveling at the same speed. Which has more momentum?
lions [1.4K]

Answer:

small car since they weigh less than a bus

Explanation:

7 0
2 years ago
A 1000kg ar accelerates from rest to 25.0m/s in 4.20
bezimeni [28]

Answer:

74.4 kilowatts or 99.8 horsepower

Explanation:

The explanation is in the attachment.

7 0
3 years ago
Particle 1 and particle 2 have masses of m1 = 2.2 × 10-8 kg and m2 = 4.8 × 10-8 kg, but they carry the same charge q. The two pa
Lorico [155]

Answer:r_2=11.81 cm

Explanation:

Given

m_1=2.2\times 10^{-8} kg

m_2=4.8\times 10^{-8} kg

same charge on both masses

potential Energy due to Magnetic Field =Kinetic Energy of Particle

qV=\frac{mv^2}{2}

v=\sqrt{\frac{2qV}{m}}

and we know

Force due to magnetic field will Provide centripetal Force

qvB=\frac{mv^2}{r}

B=\frac{\sqrt{\frac{2Vm}{q}}}{r}

and B is equal for both particles

thus \frac{m}{r^2}=constant

\frac{m_1}{r_1^2}=\frac{m_2}{r_2^2}

r_2^2=\frac{4.8}{2.2}\times 8^2

r_2=11.81 cm

4 0
3 years ago
Compare animal and plant cell
vagabundo [1.1K]

Answer:

A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. Animal cells simply have a cell membrane, but no cell wall.

hope this helps :)

8 0
2 years ago
Read 2 more answers
Other questions:
  • Select all the correct answers.
    10·1 answer
  • Which of the following people came up with the term “hypnosis”?
    6·1 answer
  • The picture below shows a person exploring an underwater cave in Florida.
    7·1 answer
  • A disk of radius 10 cm is pulled along a frictionless surface with a force of 16 N by a string wrapped around the edge. At the i
    9·1 answer
  • A car was moving 110. km/hour.
    6·1 answer
  • The units we use to measure the sound intensity level are _____.
    7·1 answer
  • If the object represented by the FBD below has a mass of 2.0 kg, what is the
    9·1 answer
  • you walk 6 block east, 2 blocks north, 3 blocks west and then 2 blocks north. the total distance you travel is blocks
    14·1 answer
  • Changing the length of an air column will alter its _______
    10·2 answers
  • You are driving on the highway at a speed of 40 m/s (which is over the speed limit) when you notice a cop in front of you. To av
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!