Mathematics, 28.01.2020 01:31 Pen350
Asmall frictionless cart is attached to a wall by a spring. it is pulled 22 cm from its rest position, released at time t = 0, and allowed to roll back and forth for 5 seconds. its position at time t is s = 22 cos (pi*t).a. what is the cart's maximum speed? when is the cart moving that fast? where is it then? what is the magnitude of the acceleration then? b. where is the cart when the magnitude of the acceleration is greatest? what is the cart's speed then? i cannot figure out part b. i have part a: which is 69.1 cm/sec
Answers: 3
Mathematics, 21.06.2019 16:10
Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.
Answers: 3
Mathematics, 21.06.2019 18:00
Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).
Answers: 2
Mathematics, 21.06.2019 19:10
Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15
Answers: 1
Asmall frictionless cart is attached to a wall by a spring. it is pulled 22 cm from its rest positio...
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