Physics, 07.07.2019 18:30, Eni1127

Explain a situation in which you can have a positive velocity but a negative acceleration

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 13:40, youngbeauty17

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

Answers: 1

continue

Physics, 22.06.2019 14:30, gus2006santos

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.

Answers: 2

continue

Physics, 22.06.2019 22:00, bricefitzpatrick0429

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m

Answers: 1

continue

Physics, 23.06.2019 02:00, solizj6728

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not

Answers: 1

continue

Do you know the correct answer?

Explain a situation in which you can have a positive velocity but a negative acceleration...