Test Secure https://www.mathKlcom/Student/payerTestaspxntestud 1520652478 center

Question

Test Secure https://www.mathKlcom/Student/payerTestaspxntestud 1520652478 centerwnayes HCC DE Math 1325-0001 (10181) 16 weeks Spring 201Turar Sarsembayev 41317 1243 PM Test: Test 3 Time Remaining: 02.1438 Submit Test This Test 100 pts possible This Question: 6 pts of 19 (0 complete The function sn) -t .12 7gves the distance from starting pont attimet of apano le moving long aline Findre velocit and acceleason Then find the velocity and acceleration at 130 and Assume that time is measured in seconds and distance is measured entimeters Velocity be in certmeters per second emisec) and acceleration in entimeters per second per second lem set The velocity function is vry. The acceleration function is alt (Simplify your answer The velocity att o is voy- cm sec ry The velocity at 5 v 5.0 m/sec The acceleration at t 0 is a(0) cm/sec The acceleration at 5 is al 5 lemsec: Enter your answer in each of the answer booes

Explanation / Answer

s(t)= -t3 + 12t +7

v(t)= ds/dt = -3t2 + 12

a(t)= dv/dt = -6t

When t=0---------

v(0)= -3*0 +12   

=12 cm/sec

a(0)= -6*0 = 0 cm/sec2

When t= 5 ---

v(5) = -3*(52) +12 = -63 cm/sec

a(5) = -6*5 = -30 cm/sec2

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.