Physics

Problem

The velocity of a cart at various instants is recorded in the table below. Time

(\text{s})

Velocity

(\text{m/s})

0 12 3 18 6 18 10 6 Answer the following: (i) Calculate the average acceleration of the cart for the entire interval from

t = 0\,\text{s}

t = 10\,\text{s}

. (ii) Compute the average acceleration separately for the intervals (a)

0\text{–}3\,\text{s}

, (b)

3\text{–}6\,\text{s}

, and (c)

6\text{–}10\,\text{s}

. (iii) On the basis of your answers to part (ii), state whether the cart is moving with uniform acceleration. Give a brief reason. a. Calculate the average acceleration of the cart for the entire interval from

t = 0\,\text{s}

t = 10\,\text{s}

. b. Compute the average acceleration separately for the intervals (a)

0\text{–}3\,\text{s}

, (b)

3\text{–}6\,\text{s}

, and (c)

6\text{–}10\,\text{s}

. c. On the basis of your answers to part (ii), state whether the cart is moving with uniform acceleration. Give a brief reason.

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