The displacement S of particle at time t is given by S=t³-4t²-5t Find the acceleration at time t = 1
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Answer:
4
Step-by-step explanation:
S=1²-4×1²-5×1
=1-4-5
=-8
S=-8
T=1
A=?
S=UT+1\2AT²
=_8=0×1+1\2×A×1²
=-8=0+1\2×A×1²
A=1\2×8×1
A=1\2×8
A=4
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