Elastic and Inelastic Collisions in One and Two Dimensions NEET Questions

Physics - Work, Energy, and Power
Elastic and Inelastic Collisions in One and Two Dimensions

Elastic and Inelastic Collisions in One and Two Dimensions MCQ Questions


7.
Mass m1 moving with v1i collides completely inelastically with stationary m2. The final common velocity vf is:
A.
m2路v1i / (m1 + m2)
B.
m1路v1i / (m1 + m2)
C.
(m1 + m2)路v1i / m1
D.
v1i / 2
馃槕 View Answer Error
ANSWER :
B. m1路v1i / (m1 + m2)
8.
In a completely inelastic collision, mass m1 = m2 = m, initial speed of m1 is v. The final speed is:
A.
v
B.
v/2
C.
2v
D.
0
馃槕 View Answer Error
ANSWER :
B. v/2
9.
The loss in kinetic energy in a completely inelastic collision (m1 moving, m2 at rest) is:
A.
陆路m1路v1i虏
B.
陆路(m1路m2/(m1+m2))路v1i虏
C.
m1路m2路v1i虏 / (m1+m2)
D.
陆路m2路v1i虏
馃槕 View Answer Error
ANSWER :
B. 陆路(m1路m2/(m1+m2))路v1i虏
10.
A bullet of mass 10 g moving at 400 m/s embeds in a stationary block of mass 990 g. The final velocity of the combined system is:
A.
4 m/s
B.
40 m/s
C.
400 m/s
D.
0.4 m/s
馃槕 View Answer Error
ANSWER :
A. 4 m/s
11.
For a 1D elastic collision (m1 moving with v1i, m2 at rest), the final velocity of m1 is:
A.
2m1路v1i / (m1+m2)
B.
(m1鈭抦2)路v1i / (m1+m2)
C.
(m1+m2)路v1i / m1
D.
v1i
馃槕 View Answer Error
ANSWER :
B. (m1鈭抦2)路v1i / (m1+m2)
12.
For a 1D elastic collision (m1 moving with v1i, m2 at rest), the final velocity of m2 is:
A.
(m1鈭抦2)路v1i / (m1+m2)
B.
2m2路v1i / (m1+m2)
C.
2m1路v1i / (m1+m2)
D.
v1i
馃槕 View Answer Error
ANSWER :
C. 2m1路v1i / (m1+m2)
Prev Next page