June 2018 Physics Regents Questions 41-50 Question Preview (ID: 59803)

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A combination of two identical resistors connected in series has an equivalent resistance of 10. ohms. What is the equivalent resistance of the combination of these same two resistors when connected in parallel?

a) 2.5 Ω

b) 5.0 Ω

c) 10. Ω

d) 20. Ω

Which graph best represents the frequency of this sound wave detected by the observer during the time interval in which the car approaches, passes, and moves away

a) 1

b) 2

c) 3

d) 4

Which diagram shows the pulse produced due to the superposition of pulse X and pulse Y?

a) 1

b) 2

c) 3

d) 4

Which diagram represents the motion of particle X as a longitudinal wave passes through the spring toward the right?

a) 1

b) 2

c) 3

d) 4

An object is thrown straight upward. Which graph best represents the relationship between the object’s kinetic energy and the height of the object above its release point? Neglect friction.

a) 1

b) 2

c) 3

d) 4

A toy airplane, flying in a horizontal, circular path, completes 10. complete circles in 30. seconds. If the radius of the plane’s circular path is 4.0 meters, the average speed of the airplane is

a) 0.13 m/s

b) 0.84 m/s

c) 1.3 m/s

d) 8.4 m/s

Which pair of graphs represents the vertical motion of an object falling freely from rest?

a) 1

b) 2

c) 3

d) 4

What are the readings on the meters?

a) X = 12 V and Y = 0.25 A

b) X = 12 V and Y = 4.0 A

c) X = 0.25 A and Y = 12 V

d) X = 4.0 A and Y = 12 V

The ratio of the wavelength of AM radio waves traveling in a vacuum to the wavelength of FM radio waves traveling in a vacuum is approximately

a) 1 to 1

b) 2 to 1

c) 10^2 to 1

d) 10^8 to 1

A charm quark has a charge of approximately

a) 5.33 × 10^−20 C

b) 1.07 × 10^−19 C

c) 1.60 × 10^−19 C

d) 2.40 × 10^−19 C

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