June 2016 Physics Regents Questions 31-40 Question Preview (ID: 59812)

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Which graph represents the motion of an object traveling with a positive velocity and a negative acceleration?

a) 1

b) 2

c) 3

d) 4

A box weighing 46 newtons rests on an incline that makes an angle of 25° with the horizontal. What is the magnitude of the component of the box’s weight perpendicular to the incline?

a) 19 N

b) 21 N

c) 42 N

d) 46 N

Which graph represents the relationship between the speed of a freely falling object and the time of fall of the object near Earth’s surface?

a) 1

b) 2

c) 3

d) 4

A hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. The total electrical energy used by the dryer during this time interval is

a) 2.9 × 10^3 J

b) 3.8 × 10^3 J

c) 1.7 × 10^5 J

d) 2.3 × 10^5 J

Which measurement is closest to 1 × 10^−2 meter?

a) diameter of an atom

b) width of a student’s finger

c) length of a football field

d) height of a schoolteacher

Which diagram represents magnetic field lines between two north magnetic poles?

a) 1

b) 2

c) 3

d) 4

Which circuit has the largest equivalent resistance?

a) 1

b) 2

c) 3

d) 4

A transverse wave is moving toward the right in a uniform medium. Point X represents a particle of the uniform medium. Which diagram represents the direction of the motion of particle X at the instant shown?

a) 1

b) 2

c) 3

d) 4

A particle with a charge of 3.00 elementary charges moves through a potential difference of 4.50 volts. What is the change in electrical potential energy of the particle?

a) 1.07 × 10^−19 eV

b) 2.16 × 10^−18 eV

c) 1.50 eV

d) 13.5 eV

A ball is hit straight up with an initial speed of 28 meters per second. What is the speed of the ball 2.2 seconds after it is hit? Neglect friction.

a) 4.3 m/s

b) 6.4 m/s

c) 22 m/s

d) 28 m/s

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