If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its hei

Question

If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height (in meters) after t seconds is given by H(t) = 1- t - 1.86t^2. Find the velocity of the rock when t = a. -3.72a -1.86a 10 -3.72a 10- 1.86a None of these. If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height (in meters) after ' seconds is given by H(t) = 10t - 1.86t^2. When will the rock hit the surface? 5.38 seconds 0.19 seconds 18.6 seconds 0.37 seconds None of these. Where is the greatest integer function differentiable? This function is differentiable for all real numbers. This function is not differentiable for any real number. This function is differentiable for all real numbers except zero. This function is differentiable for all real numbers except integers. This function is differentiable only for integers. None of these. Where is the function f(x) = |2x + 6| differentiable? This function is differentiable for all real numbers. This function is not differentiable for any real number. This function is differentiable for all real numbers except zero. This function is differentiable for all real numbers except x = 3. This function is differentiable for all real numbers except x = -3. This function is differentiable for all real number expect x = 1/3. This function is differentiable for all real numbers except x = -1/3.

Explanation / Answer

Velocity = H'(t) = 10-3.72 t

H'(a) = 10-3.72 a

Option c

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2) 10/1.86 = 5.38 second

Option a

3) d.

All real numbers except integers

4) Option e

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