DFV 20143 PHYSICS TEST 1 JD2024

Define a derived quantities?

Identify either the following statements are scalar or vector quantities:

a) 5 volts along the positive x-axis

b) Ali run at 5 km/h to school

c) An airplane fly to KL at 1000km/h

d) A car moving 20m/s due west.

• Vector

• Vector

• Vector

• Vector

Determine a dimension (Dimensional Analysis) and the S.I. unit for the following: a) Force b) Velocity c) Acceleration.

Vernier caliper is used to measure the diameter of a marbles. The measurement diameter of the sphere is 8.82cm. While the actual diameter of the sphere is 9cm. Calculate: Absolute error, Percentage error, Relative accuracy, Percentage accuracy.

Define the one-dimensional motion?

Figure 1 shows the Velocity vs Time graph along 16 second car journey. Compute: The acceleration within period 10s to 12s, Total distance travelled.

A football is kicked at an angle Ѳ0 = 350 with an initial velocity of 25.0 m/s, which is category in Non-horizontal motion. Calculate: The maximum height, The time of travel before the football hits the ground, How far away it hits the ground.

The moon's nearly circular orbit about the Earth has a radius of about 384,000 km and a period, T of 27.3 days. Determine the acceleration of the Moon towards the Earth?