June 2019 Physics Regents Questions 41-50 Question Preview (ID: 59788)

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Which diagram best represents the superposition of the two pulses when the pulses overlap?

a) 1

b) 2

c) 3

d) 4

The amount of electric energy consumed by a 60.0-watt lightbulb for 1.00 minute could lift a 10.0 newton object to a maximum vertical height of

a) 6.00 m

b) 36.7 m

c) 360. m

d) 600. m

Microwaves can have a wavelength closest to the

a) radius of Earth

b) height of Mount Everest

c) length of a football field

d) length of a physics student’s thumb

In which electric circuit would the voltmeter read 10 volts?

a) 1

b) 2

c) 3

d) 4

The lambda baryon has the quark composition uds. Which particle has the same electric charge as the lambda baryon?

a) neutron

b) electron

c) proton

d) antimuon

What can be concluded if the rod repels sphere R but attracts sphere S?

a) Sphere R must be negative and sphere S must be positive.

b) Sphere R must be negative and sphere S may be positive or neutral.

c) Sphere R must be positive and sphere S must be negative.

d) Sphere R must be positive and sphere S may be negative or neutral.

How many kilograms of matter would have to be converted into energy to produce 24.0 megajoules of energy?

a) 2.67 × 10^−16 kg

b) 2.67 × 10^−10 kg

c) 8.00 × 10^−8 kg

d) 8.00 × 10^−2 kg

A red photon in the bright-line spectrum of hydrogen gas has an energy of 3.02 × 10^−19 joule. What energy-level transition does an electron in a hydrogen atom undergo to produce this photon?

a) n = 3 to n = 2

b) n = 4 to n = 2

c) n = 5 to n = 2

d) n = 6 to n = 2

At the instant shown in the diagram, the centripetal force acting on the car is

a) 4.5 N north

b) 4.5 N west

c) 9.0 N north

d) 9.0 N west

A 5.0-kilogram box is sliding across a level floor. The box is acted upon by a force of 27 newtons east and a frictional force of 17 newtons west. What is the magnitude of the acceleration of the box?

a) 0.50 m/s^2

b) 2.0 m/s^2

c) 8.8 m/s^2

d) 10.0 m/s^2

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