DELSU Physics 2018/2019 Past Questions

Practice each question, then open it to see the full details.

An object of mass 2kg moves in a circular path of radius 0.5m with a speed of 1ms'. What is its regular velocity?

A.8 rad/s
B.4rad/s
C.2 rad/s
D.1 rad/s

The force required to make an object of mass,m, traveling with velocity, v, turn in a circle of radius r is .....

A.(mv²)/r
B.(mr²)/v
C.(mr)/v
D.(mv)/r²

A simple pendulum with a period of 2 seconds has its length doubled. Its new period is?

A.1 sec
B.1.41 seс
C.0.35 sec
D.2.83 sec

A satellite moves in a circular orbit of radius 2R around the earth. What is the acceleration of the satellite?

A.4g²
B.g/4
C.g/2
D.2g

What is the kinetic energy of a body of mass 200kg moving with a velocity of 10m/s.

A.1.0 x 10³J
B.2.0 x 10³J
C.5.0 x 10³J
D.1.0 x 10⁴J

What is the coefficient of static friction between a load of mass 0.75kg and a horizontal surface, if the limiting frictional force is 5N? [g = 10ms]

A.0.066
B.0.15
C.0.66
D.1.5