subject
Physics, 18.09.2019 05:30 dchannakhone84

Acar accelerates horizontally from rest on a level road at a constant acceleration of down the road, it passes through two photocells ("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

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 13:00
Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
Answers: 3
question
Physics, 22.06.2019 14:00
Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3
Answers: 3
question
Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
Answers: 2
question
Physics, 22.06.2019 22:30
Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.
Answers: 1
You know the right answer?
Acar accelerates horizontally from rest on a level road at a constant acceleration of down the road,...
Questions
question
Physics, 23.04.2021 19:10
question
History, 23.04.2021 19:10
question
Engineering, 23.04.2021 19:10
question
Mathematics, 23.04.2021 19:10
Questions on the website: 13722367