13. What is the average acceleration of the cart while it is being initially pus

Question

13.   What is the average acceleration of the cart while it is being initially pushed (with someone’s hand)?

14.   What is the acceleration of the cart while it is moving under the influence of the weight attached to the pulley?

15.   What is the time of the closest approach?

16.   What is the mass of the cart?

O 37% 8:39 PM Final LabPracitcekey phy Read-only Read On can't save changes shorter in dept Velocity of a cart with 50 g weight at the end of the half-pulley 0.8 0.6 0.4 E 0.2 -0.2 -0.4 -0,6 -0.8 time (s) 13. What is the average acceleration of the cart while it is being initially pushed (with someone's hand)

Explanation / Answer

average acceleration = change in velocity / time = 0.8 - - 0.6 / 10 = 1.4/10 = 0.14 m/s^2

mass attached = 50 gm

weight = 50 x 10 / 1000

acceleration = force due to gravity / mass of the cart = 0.5 / mass of the cart

time of closest approach is when the direction of velocity gets reversed = 4.6 s

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