Tahsili Physics

Question 1

A car accelerates uniformly from rest to 20 m/s in 5 seconds. What is its acceleration?

Accepted Answer

4 m/s²

Answer

2 m/s²

Answer

5 m/s²

Answer

100 m/s²

Question 2

What is the SI unit of force?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 3

A 5 kg object is lifted 10 meters vertically. How much work is done against gravity? (g = 10 m/s²)

Accepted Answer

500 J

Answer

50 J

Answer

100 J

Answer

5000 J

Question 4

What is the frequency of a wave with wavelength 2 meters traveling at 340 m/s?

Accepted Answer

170 Hz

Answer

680 Hz

Answer

340 Hz

Answer

85 Hz

Question 5

According to Ohm's Law, if a circuit has a voltage of 12V and resistance of 4Ω, what is the current?

Accepted Answer

3 A

Answer

48 A

Answer

0.33 A

Answer

16 A

Question 6

What type of energy does a compressed spring have?

Accepted Answer

Elastic potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Chemical energy