Tak terasa sekarang sudah bulan desember, kalau ga salah hampir semua sekolah Menengah Atas (SMA) sedang melaksanakan Ujian Akhir Semester (UAS). Menanggapi hal itu kali ini saya akan berbagi untuk sahabat-sahabat vizica tentang latihan-latihan soal untuk menghadapi UAS kelas XI IPA, mudah2n sahabat ada yang membutuhkannya ... Let See to TKP ....
EXCERCISES
1. A
projectile is shot at initial velocity of 15 m/s and forms an angle of 60o
to the horizontal plane. When reaching the highest point, its velocity is …
2. A
particle is thrown vertically upward according to the equation y = (5t – 2t2) m. The initial
velocity and the minimum height reached by the particle are …
3. If
the average distance between the earth
and the sun is R = 1,5 x 1011 m and the mass of the
earth is m = 5,98 x 1024 kg
and that of the sun is M = 1,99 x 1030 kg. The gravitional force
between the sun and the earth is ... (G = 6,67 x 10-11 Nm2/kg2)
4. The
equation of a particle velocity is v = (vx
i + vy j) m/s where vx
= 2t and vy = (2 - 3t2).
The equation of the position vector of the particle is …
5. A
truck that is moving has the velocity equation as follow : v = 2t2 +
2t + 4. The acceleration equation of the truck is ...
6. A
ball is thrown vertically upwards at an angle 60o to the ground. The
speed of the ball from the time of throwing until reaching the ground ...
7. The
angular acceleration of a particle is 2 rad/s2. If its initial
velocity is 5 rad/s, then its velocity after moving for 1 seconds in rad/s is …
8. The
ratio of angular displacement to time travelled called is ...
9. An
object move circularly according to the equation w
= (t2 + t + 2) rad/s. The average angular acceleration of the object
from t = 0 to t = 1 seconds is …
10. The
angular position of a point at a wheel is expressed by q = (t2 – 3t + 10) rad
where t is in second. The angular position at t = 1 seconds is …
11. An
object move according to the equation :
x = 2t2 + 5t + 1. From the equation, the magnitude of the
initial position (xo) and acceleration (a) respectively are …
12. The
dimension of modulus of elasticity is equal to that of ...
13. A
steel rod whose length is 20 m has a surface area of 3 mm x 2 mm. The modulus
of elasticity of the steel is 200 x 103 N/mm2. If the end
of the steel rod is pulled by a force of 50 N, the increase in length of the
rod is ...
14. A
load is hung on a parallel arrangement of two springs. The springs have
constants of 100 N/m and 100 N/m. The increase in length of the arrangement of
spring if a load of 5 kg is hung on it is ... (g=10 m/s2)
15. The
magnitude of gravitional force experienced by two objects that interact with
each other is ...
16. An
object on earth surface is 200 N in weight. Then the object carried to a planet
with 5 times mass of the earth massa and twice radius of the earth’s radius.
Then the object weight on the planet surface become ...
17. If the earth is considered spherical
with the same radius for each surface of the earth, that is 6,38 x 106
m and 5,98 x 1024 kg in mass. Calculate the gravitational
acceleration on the earth ! (G = 6,67 x 10-11 Nm2/kg2)
18. The
work used to move the car of mass 1000 kg from a rest position to reach a speed
of 72 km/h is ...
19. Theree
equal bodies are found at the corners of an equilateral triangle. If the force
between two of the three bodies is F, the magnitude of force experienced by the
each body is ...
20. Object
A and B have mass of 4 kg and 9 kg respectively. They are separated at a
distance of 3 m. The place having the zero gravitional field strength is ...
21. A
wire the surface area of which is 2 mm2 is pulled by a force of 4,8
N so the length increases by 0,02 cm. If the initial length of the wire is 60
cm, the stress of the wire is ... (N/m2)
22. If
a steel rod of area A, length L, modulus of elasticity E is heated, it increasesin
length of DL. In
order to the steel rod does not undergo the increase in length when it is
heated, the force required is ...
23. A
spring will increase in length by 5 cm if a force of 10 N is applied on the end
of the spring. The increase in length of the spring when a force of 7 N is
applied to the spring is ...
24. Two
springs 1 and 2 have a spring constants of k1 = 100 N/m and k2
= 200 N/m. They are connected in series and given a force of 20 N. The increase
in length of the spring arrangements is ...
25. An
object of weight 10 N is on a smooth plane. The object is acted on by a
horizontal force of 30 N, so it displaces by 20 cm. The work done by the force
is ...
26. A
simple pendulum oscillates as shown in the following figure.
If
L = 50 cm; g = 10 m/s2; and the mass of load (pendulum) is m = 100
gram, the restore force causing the pendulum to do a harmonic motion is ...
27. A
particle does a simple harmonic motion with the deviation equation of y = 2 sin 0,1t ; where y is in cm and t in seconds. The amplitude,
periode and frequency of the particle are ... (respectively)
28. Consider
the following graph.
the
graph showthe patern of a harmonic motion. The deviation t = 10 seconds is ...
29. A
particle does a simple harmonic motion with the deviation equation of y = 4 sin 0,2t ; where y is in cm and t in seconds. The deviation,
velocity and acceleration of the particle at t = 2p s are ... respectively.
30. The
equation of the gravitional force is ...
31. The
equation of position vector of a matter is r = (t3 –t2)i
+ t2 j. If r is in m and t in s, then the magnitude of the matter
acceleration exactly after 2 s from the initial observation is …
32. A
force acting upon an object that causes the object to displace, called is ...
33. A
person pulls a body of mass 2 kg using a force of 60 N forming an angle of 60o
to the horizontal plane as shown in the following figure. The work done by the
person to move the body as far as 2 meter ...
34.
The force against position graph is
illustrated as in the figure. Determine the work done by force F at interval 0
≤ x ≤ 5 m !
Sorry for figure not shown because ...
Download : Answer Key
Oc... sampai disini dulu ya ....
jangan lupa komentarnya, thank's
Oc... sampai disini dulu ya ....
jangan lupa komentarnya, thank's
