Pls, Help Find the acceleration of the marble using the data below.

V1 = 0.83 m/s

V2 = 1 m/s

T1 = 0.48s

T2 = 1.0s

Acceleration =?

Please tell me the formula you used!

The cement bag shown in the figure has a mass of 50 kg and the small pulley has a mass of 2 kg. if the cement bag is pulled upwards with an acceleration of 2 m/s^2, find the force f pulling the rope.

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending