1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
For angles of projection of a projectile at angle (45o $$-$$ $$\theta $$) and (45o + $$\theta $$), the horizontal range described by the projectile are in the ratio of
A
2 : 1
B
1 : 1
C
2 : 3
D
1 : 2.
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ are such that $$\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A - \overrightarrow B } \right|.$$ The angle between the two vectors is
A
45o
B
90o
C
60o
D
75o
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A 0.5 kg ball moving with a speed of 12 m/s strikes a hand wall at an angle of 30o with the wall. It is reflected with the same speed at the same angle. If the ball is in contact with the wall for 0.25 seconds, the average force acting on the wall is :
A
96 N
B
48 N
C
24 N
D
12 N
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Work done against friction is (Take g = 10 m/s2)
A
1000 J
B
200 J
C
100 J
D
zero
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12