Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 10 - 11 of 78

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Question number: 10

» Physics » Motion and Force

Appeared in Year: 2013

MCQ▾

Question

The figure below shows the position of a ball at t = 0, t = 1 s, t = 2 s, t = 3 s and t = 4 s

A position vs time graph of a ball

A Position vs Time Graph of a Ball

A ball change its position at five different times

Which of the graph below is a possible graph of the position x (t)?

Choices

Choice (4) Response

a.

A position vs time graph of a ball - Choice A

A Position vs Time Graph of a Ball - Choice A

A ball change its position at five different times

b.

A position vs time graph of a ball - Choice B

A Position vs Time Graph of a Ball - Choice B

A ball change its position at five different times

c.

A position vs time graph of a ball - Choice C

A Position vs Time Graph of a Ball - Choice C

A ball change its position at five different times

d.

A position vs time graph of a ball - Choice D

A Position vs Time Graph of a Ball - Choice D

A ball change its position at five different times

Question number: 11

» Physics » Motion and Force

MCQ▾

Question

The graph shows positions as a function of time for two trains A ans B running on parallel tracks. For times greater than t = 0, which of the following statement is true? .

A picture showing positions of time for two trains

A Picture Showing Positions of Time for Two Trains

positions as a function of time for two trains A ans B running on parallel tracks.

Choices

Choice (4) Response

a.

trains speed up all the time.

b.

Graph indicates that both trains have the same acceleration at a given time.

c.

trains may have the same velocity at some time earlier than tB .

d.

At time tB , both trains have the same velocity.

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