subject
Physics, 19.06.2021 17:10 mktdonaldson

A large carrdboard box of mass 0.75kg is pushed across a horizontal floor by a force of 4.5N the motion of the box is opposed by i) frictional force of 1.5N between the box and the floor and ii) an air resistance force kv^2 6.0*10^-2kg/m and v is the speed of the box in metres .sketch a diagram showing the directions of the forces acting on the moving box. calculate the minimum values for a) the acceleration of the box b) the speed of the box

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 22.06.2019 05:30, ygrant03
Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted
Answers: 1
image
Physics, 22.06.2019 14:50, MoogleCaliS
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
image
Physics, 22.06.2019 18:30, zoelynn9104
Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above
Answers: 2
image
Physics, 22.06.2019 22:30, steven12372
Which is a substance that can be separated by physical means and is not the same throughout
Answers: 2
You know the right answer?
A large carrdboard box of mass 0.75kg is pushed across a horizontal floor by a force of 4.5N the mot...

Questions in other subjects: