Normal type of MCQ with one correct option
A particle starts from rest and moves with an acceleration of 2 ms(2 for 10 s. After that, it travels for 30 s with constant speed and then undergoes a retardation of 4 ms(2 and comes back to rest. The total distance covered by the particle is
550 m
650 m
750 m
850 m
Normal type of MCQ with one correct option
A car moving with a speed of 20 km h(1 is stopped by applying brakes after traveling 5 m. If the same car is moving with 40 km h(1, the stopping distance is
10 m
20 m
5 m
1 m
Normal type of MCQ with one correct option
The coordinates of a moving particle at any time t are given by x = ( t3 and y = ( t3. The speed of the particle at time t is given by
Normal type of MCQ with one correct option
A particle is thrown vertically upward. Its velocity at half of the height is 10 ms-1, then maximum height attained by it (g = 10 ms(2).
5 m
10 m
15 m
20 m
A,B
B
C,D
A,B & D
Comprehension
A point moves the plane X-Y according to law
x = a sin (t and y = (a – a cos (t)
where a is a positive constant and t is the time.
The magnitude velocity of body at any instant of time “t” is:
a( cos (t
a(
a( sin (t
None
Comprehension
A point moves the plane X-Y according to law
x = a sin (t and y = (a – a cos (t)
where a is a positive constant and t is the time.
The trajectory represents:
None
Comprehension
A point moves the plane X-Y according to law
x = a sin (t and y = (a – a cos (t)
where a is a positive constant and t is the time.
The magnitude of acceleration of the body at any instant is:
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true
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