Cambridge Admissions Engineering Exam Quiz

What is the path difference between the two loudspeakers if one is 18 meters and the other is 24 meters from point P?

• 10 meters

• 8 meters

• 6 meters

• 4 meters

If the speed of sound is 336 m/s, what is the lowest possible frequency of sound at point P?

• 42 Hz

• 56 Hz

• 28 Hz

• 70 Hz

On a rough inclined plane, which force is greater than the normal force?

• Frictional force

• None of the above

• Both are equal

• Weight

How does the weight compare to the frictional force on the inclined plane?

• Weight is greater

• Weight is less

• Weight is equal

• Cannot be determined

What is the resistance of a wire with a length of 20 meters and a cross-sectional area of 0.1 mm²?

• 40 ohms

• 20 ohms

• 30 ohms

• 10 ohms

Using Ohm's law, what is the voltage across a 70-ohm total resistance with a current of 0.2 amps?

• 12 volts

• 14 volts

• 10 volts

• 16 volts

In a pulley system, if the sine of the angle is 0.8, what is the ratio of mass M to mass m for equilibrium?

• 5/4

• 6/5

• 3/4

• 4/5

What happens to the velocity of object P after it collides with object Q?

• It decreases

• It becomes zero

• It increases

• It remains the same

When two objects fall as one after a collision, what happens to the terminal velocity?

• It decreases

• It increases

• It remains constant

• It becomes zero

What is required for the combined objects to reach a higher terminal velocity after collision?

• No drag force

• More drag force

• Equal drag force

• Less drag force