subject
Physics, 08.10.2021 15:20 payshencec21

The velocity of a particle moving along the x-axis varies in time according to the expression vx(t) = (40 – 5 t2) m/s, where t is in

seconds.

Find the average acceleration in the time interval t=0 to t=2.0s.

Determine the acceleration at t = 2.0 s.

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 17:20
The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions
Answers: 2
question
Physics, 22.06.2019 14:50
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
question
Physics, 23.06.2019 14:00
Veronica’s velocity was measured as 4.3 m/s. she displaced 20 meters in 4.7 seconds. which piece of information is missing for the correct calculation of velocity? the starting point the direction the end point the time per meter
Answers: 3
question
Physics, 23.06.2019 16:00
10 application of ultra sound waves?
Answers: 1
You know the right answer?
The velocity of a particle moving along the x-axis varies in time according to the expression vx(t...
Questions
question
Mathematics, 03.03.2021 20:00
question
Mathematics, 03.03.2021 20:00
question
Chemistry, 03.03.2021 20:00
question
Mathematics, 03.03.2021 20:00
question
Mathematics, 03.03.2021 20:00
Questions on the website: 13722359