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The Question of
Momentum and Impuls
1.
An object of 1 kg in mass at rest, then it is
hit by a force F so that it moves at velocity of 8 m/s. if the hitter touches
the body for 0.02 second, determine the change of momentum of the body….
a.
9 kg m/s
b. 8 kg m/s
c.
10 kg m/s
d.
12 kg m/s
e.
14 kg m/s
2.
A bus of 2000 kg in mass moves at a velocity of
72 km/hour. Calculate the magnitude of momentum of the bus…
a.
30,000 kg m/s
b.
35,000 kg m/s
c. 40,000 kg m/s
d.
45,000 kg m/s
e.
50,000 kg m/s
3.
A car of 700 kg in mass moves at velocity of 36
km/hour, then it crashes a tree and stop after 0.4 second. Calculate the
average force acting upon the car during collision….
a.
17,000 N
b.
-17,000 N
c.
17,500 N
d. -17,500 N
e.
18,000 N
4.
A body with a mass of 1 kg moves to positive x
axis at a velocity of 2 m/s. another body with a mass of 2 kg moves at velocity
of 2 m/s in opposite direction. After colliding, both move together. Determine
the velocity….
a.
0.65 m/s
b.
-0.65 m/s
c.
0.67 m/s
d. –0.67 m/s
e.
0.06 m/s
5.
An object A with a mass of 5 kg moves at a
velocity of 10 m/s. another object B with a mass of 10 kg moves at a velocity
of 15 m/s behind A. after some time B collides with A, so that the velocity of
A after collision becomes 12 m/s. calculate the velocity of B after collision….
a.
13 m/s
b.
-13 m/s
c. 14 m/s
d.
-14 m/s
e.
15 m/s
6.
A ball is thrown horizontally with mass m and
velocity v. The ball is reflected by
the wall with the same velocity. Please measure the impulse of the
wall to the ball….
a. -2 mv
b.
2mv
c.
0
d.
3mv
e.
4mv
Anggota Kelompok :
·
Bastian Gema R ( 29)
·
Nurhikmah W (30)
·
Praditya A W (31)
·
Raras Puspitasari (32)
·
Putri Dian F (33)
·
Regita Damayanti S (34)
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