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
GenaCL600 [577]
3 years ago
12

A car accelerates horizontally from rest on a level road at a constant acceleration of Down the road, it passes through two phot

ocells ("electric eyes" designated by 1 for the first one and 2 for the second one) that are separated by 20.0 m. The time interval to travel this 20.0-m distance as measured by the electric eyes is 1.40 as.
(a) Calculate the speed of the car as it passes each electric eye.
(b) How far is it from the start to the first electric eye
Physics
2 answers:
Neko [114]3 years ago
7 0

Answer:A is 14.2857

B is 20M

Explanation:(A)

the velocity or speed of a car is distance/time=20/1.4=14.2857

(B)

Distance between the two eye is 20m

11Alexandr11 [23.1K]3 years ago
5 0

Answer:i totally forgot how that works

Explanation:

??

You might be interested in
A small electric motor produces a force of 5 N that moves a remote-control car 5 m every second. How much power does the motor p
kati45 [8]

Answer:

Explanation:

Given:

Force, f = 5 N

Velocity, v = 5 m/s

Power, p = energy/time

Energy = mass × acceleration × distance

Poer, p = force × velocity

= 5 × 5

= 25 W.

Note 1 watt = 0.00134 horsepower

But 25 watt,

0.00134 hp/1 watt × 25 watt

= 0.0335 hp.

4 0
3 years ago
Read 2 more answers
What will happen to plant height if the amount of available light is reduced due to global dimming? Which type of investigation
Lorico [155]
The plant will not grow. In fact it could have all the nutrients and all the water it needs, but without a sufficient amount of light, it could die because its leaves are meant for a certain minimum amount of light.

I'll come back and see if you have posted the question you wanted and edit my answer.
6 0
3 years ago
A child pulls a sled up a snow covered hill. If the child does 504J of work on the sled while pulling the sled 23m up the hill t
zhenek [66]

Explanation:

ans is equal to 504j* 23 m* 10 ms

7 0
3 years ago
Scientists hypothesize that there are no dinosaurs alive today because
Wittaler [7]
Its c after the meteorite hit earth it created a different environment worldwide that animals weren't able to adapt to due to its harsh conditions 
8 0
3 years ago
Read 2 more answers
How many significant digits are in the measurement 143,000
tangare [24]
6 significant digits
8 0
3 years ago
Read 2 more answers
Other questions:
  • 14. Looking ahead: Give an example of how the Law of Conservation of Energy applies to eating your favorite meal. Give at least
    9·1 answer
  • A 200-foot tall monument is located in the distance. From a window in a building, a person determines that the angle of elevatio
    10·1 answer
  • In which situation is the object experiencing unbalanced forces?
    7·1 answer
  • A physics student drops a rock from a 55m cliff. How long does it take to hit the ground?
    12·2 answers
  • Which term describes the amount of charge that passes a point in a circuit<br> each second?
    12·2 answers
  • What will occur when two have reach one another
    12·1 answer
  • QUESTION 7
    6·2 answers
  • A bell is rung. What best describes the density of air around the bell?
    11·2 answers
  • What is one disadvantage of sending information over long distances
    8·2 answers
  • A voltage is applied to a resistor,
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!