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Muhammad Z.
7+ experience of teaching O, A' Levels Mathematics and Physics. Provide assistance at undergraduate level for subjects of engineering.
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Calculus
TutorMe
Question:

Given the rate of change of displacement is 5t km/hr. find the acceleration? at t = 3600 sec

Muhammad Z.
Answer:

Given: Rate of change of displacement = velocity = ds/dt = 5t diff above w.r.t t dv/dt = d2s/dt2 = 5 now since the result is independent of time therefore, Acceleration is 5 km/hr

Electrical Engineering
TutorMe
Question:

What is difference between an isolator and circuit breaker in transmission lines?

Muhammad Z.
Answer:

Circuit breaker and Isolator both have same function of interrupting the circuit. But circuit breaker has following advantages over isolators. Circuit breaker interrupts the circuit automatically when any abnormality occurs in line. It quenches the arc produced due to switching It can have different current setting in a single module

Algebra
TutorMe
Question:

What is Peter's monthly salary if his tax deduction is \$500 which is 5% of his annual salary.

Muhammad Z.
Answer:

Let Peter's annual salary = x Given Tax deduction = 500 since tax deduction = 5% of annual salary therefore, (5/100) of x = 500 (For % we divide 5 by 100) x = (500 * 100)/5 x = 10000 (Which is annual salary) Now, Monthly salary = x/12 Monthly salary = 833\$ (Approx) Ans.

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