PPSC Lecturer of Physics Online Test 44 Solved MCQs

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 Test Instructions:- Test Name Lecturer PhysicsÂ Subject Physics Test 44 Test Type MCQs Total Questions 25 Total Time 20 Minutes Total Marks 100
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You have 20 minutes to pass to the quiz.

PPSC LECTURER OF PHYSICS TEST NO. 44

1 / 25

Over a short interval near time t = 0 the coordinate of an automobile in meters is given by x(t) = 27t âˆ’ 4.0t3, where t is in seconds. At the end of 1.0 s the acceleration of the auto is:

2 / 25

A racing car traveling with constant acceleration increases its speed from 10m/s to 50m/s over a distance of 60 m. How long does this take?

3 / 25

A ball is in free fall. Its acceleration is:

4 / 25

At time t = 0 a car has a velocity of 16 m/s. It slows down with an acceleration given by âˆ’0.50t, in m/s2 for t in seconds. By the time it stops it has traveled:

5 / 25

A baseball is thrown vertically into the air. The acceleration of the ball at its highest point is:

6 / 25

At time t = 0 a car has a velocity of 16 m/s. It slows down with an acceleration given by âˆ’0.50t, in m/s2 for t in seconds. At the end of 4.0 s it has traveled:

7 / 25

At time t = 0 a car has a velocity of 16 m/s. It slows down with an acceleration given by âˆ’0.50t, in m/s2 for t in seconds. It stops at t =

8 / 25

An object is thrown vertically upward at 35 m/s. Taking g = 10 m/s2, the velocity of the object 5 s later is:

9 / 25

A freely falling body has a constant acceleration of 9.8 m/s2. This means that:

10 / 25

A car moving with an initial velocity of 25 m/s north has a constant acceleration of 3 m/s2 south. After 6 seconds its velocity will be:

11 / 25

How far does a car travel in 6 s if its initial velocity is 2 m/s and its acceleration is 2 m/s2 in the forward direction?

12 / 25

A feather, initially at rest, is released in a vacuum 12 m above the surface of the earth. Which of the following statements is correct?

13 / 25

A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2. After 5 s the car reaches the bottom of the hill. Its speed at the bottom of the hill, in meters per second, is:

14 / 25

An object is thrown straight up from ground level with a speed of 50 m/s. If g = 10 m/s2 its distance above ground level 6.0 s later is:

15 / 25

An object with an initial velocity of 12 m/s west experiences a constant acceleration of 4 m/s2 west for 3 seconds. During this time the object travels a distance of:

16 / 25

Which one of the following statements is correct for an object released from rest?

17 / 25

A car, initially at rest, travels 20 m in 4 s along a straight line with constant acceleration. The acceleration of the car is:

18 / 25

An object is thrown straight up from ground level with a speed of 50 m/s. If g = 10 m/s2 its distance above ground level 1.0 s later is:

19 / 25

Throughout a time interval, while the speed of a particle increases as it moves along the x axis, its velocity and acceleration might be:

20 / 25

Of the following situations, which one is impossible?

21 / 25

A particle moves on the x axis. When its acceleration is positive and increasing:

22 / 25

At a location where g = 9.80 m/s2, an object is thrown vertically down with an initial speed of 1.00 m/s. After 5.00 s the object will have traveled:

23 / 25

A particle moves along the x axis according to the equation x = 6t2, where x is in meters and t is in seconds. Therefore:

24 / 25

An object is shot vertically upward. While it is rising:

25 / 25

At a stop light, a truck traveling at 15 m/s passes a car as it starts from rest. The truck travels at constant velocity and the car accelerates at 3 m/s2. How much time does the car take to catch up to the truck?