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
son4ous [18]
3 years ago
11

A car is traveling to the right with a speed of 29m/s ​ when the rider slams on the accelerator to pass another car. The car pas

ses in 110m with constant acceleration and reaches a speed of 34m/s.What was the acceleration of the car as it sped up?Answer using a coordinate system where rightward is positive. Round the answer to two significant digits.
Physics
1 answer:
adoni [48]3 years ago
6 0

Answer:

Acceleration of the car is 1.43\ m/s^2.

Explanation:

It is given that,

Initial speed of the car, u = 29 m/s

Finally it reaches a speed of, v = 34 m/s

Distance, d = 110 m

We need to find the acceleration of the car as it speed up. It can be calculated using third law of motion as :

v^2-u^2=2ad

a=\dfrac{v^2-u^2}{2d}

a=\dfrac{(34)^2-(29)^2}{2\times 110}

a=1.43\ m/s^2

So, the acceleration of the car as it speeds up is 1.43\ m/s^2. Hence, this is the required solution.

You might be interested in
You have 4.9 g of an unknown substance. To identify the substance, you decide to measure its specific heat and find that it requ
kifflom [539]

The unknown substance can be lithium, which has a specific heat capacity of approximately 3.5 J/gK.

Explanation:

When heat energy is supplied to a certain substance, the temperature of the substance increases according to the equation:

Q=mC_s \Delta T

where

Q is the amount of energy supplied

m is the mass of the sample

C_s is the specific heat capacity of the substance

\Delta T is the change in temperature

In this problem, we have

m = 4.9 g is the mass

Q = 668.85 J is the specific heat capacity

\Delta T = 39 K is the change in temperature

Solving for C_s, we find the specific heat capacity of the substance:

C_s = \frac{Q}{m\Delta T}=\frac{668.85}{(4.9)(39)}=3.5 J/gK

Looking at tables of specific heat capacity, we can see that the unknown substance can be lithium, which has a specific heat capacity of approximately 3.5 J/gK.

Learn more about specific heat capacity:

brainly.com/question/3032746

brainly.com/question/4759369

#LearnwithBrainly

3 0
2 years ago
Which of the following would increase the elastic force acting on that object
olga_2 [115]

Answer:

Which of the following would increase the elastic force acting on that object? Moving a spring to an unstretched position. Compressing a spring twice as much as its starting position.

Explanation:

4 0
2 years ago
Read 2 more answers
A string, stretched between two fixed posts, forms standing-wave resonances at 325 Hz and 390 Hz. What is the largest possible v
Pavel [41]

Answer:

65

Explanation:

The resonant frequencies for a fixed string is given by the formula  nv/(2L).  

Where n is the multiple .

v is speed in m/s .

The difference between any two resonant frequencies is given by v/(2L)= fn+1 – fn

fundamental frequency means n=1

i.e  fn+1 – fn = 390 -325

                      =  65

3 0
3 years ago
a body starts from rest and accelerates uniformly at 5ms‐2. Calculate the time taken by the body to cover a distance of 1km​
mixas84 [53]
The body will take 20 seconds to cover a distance of 1000 m i.e. 1 km
7 0
3 years ago
Read 2 more answers
Sunspots appear dark because they are cooler than the surrounding solar surface. True or false
DiKsa [7]

Answer:

False, Sunspots appear dark (in visible light) due to their low temperature(cooler) than rest of the sun

Explanation:

Sunspots appear dark because they are much cooler( have low temperature than the rest of the surface contained by Sun. As they appear dark, but still they have very temperature that's why so hot. Sunspots have temperatures ranges  3,500 Celsius (3773 kelvin) and the surrounding surface of the sun has a temperature much higher of about 5,500 Celsius(5773 Kelvin). Even if we see a sunspot alone in space,  it will glow so brightly.

Learn more about sunspots :

brainly.com/question/27774496

#SPJ4

6 0
1 year ago
Other questions:
  • The image above shows a block pulled across a table. The spring scale which measures in Newtons, reads the force resisting the m
    5·1 answer
  • When a plane flies with the​ wind, it can travel 1575 miles in 3.5 hours. when the plane flies in the opposite​ direction, again
    11·1 answer
  • When evaluating data, why is it better to make a graph instead of just looking at the raw data in the table?(8th grade Science s
    13·1 answer
  • Is a pair of sneakers a want or a need? Is the most expensive pair of sneakers a want or a need?
    5·1 answer
  • water flows in a pipe of a terminal of A1=0.02 m2 with a speed of V1=2 m/s. At the second end of the pipe A2=0.04 m2, the speed
    13·1 answer
  • Water vapor is an example of a(n)
    6·1 answer
  • What is overtraining?
    9·2 answers
  • Now explore friction force. Set the piece of plastic or wood on the table and push it steadily across the tabletop using your fi
    8·1 answer
  • 2. Why don't we produce everything ourselves?
    6·1 answer
  • When is a secondary source more helpful than a primary source?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!