June 2017 Physics Regents Questions 41-50 Question Preview (ID: 59808)


Use Your Knowledge Of Physics To Answer All Questions In The Data Set. You Will Need Your Physics Reference Tables And A Calculator To Answer Some Of The Questions. Good Luck. TEACHERS: click here for quick copy question ID numbers.

What is the magnitude of the average net force acting on the cannon?
a) 1.6 N
b) 16 N
c) 8.0 × 10^3 N
d) 4.0 × 10^6 N

What is the net charge on sphere X after the spheres have separated?
a) 0 C
b) −2 × 10^−6 C
c) −4 × 10^−6 C
d) −6 × 10^−6 C

A constant eastward horizontal force of 70. newtons is applied to a 20.-kilogram crate moving toward the east on a level floor. If the frictional force on the crate has a magnitude of 10. newtons, what is the magnitude of the crate’s acceleration?
a) 0.50 m/s^2
b) 3.5 m/s^2
c) 3.0 m/s^2
d) 4.0 m/s^2

Which graph represents the relationship between the energy of photons and the wavelengths of photons in a vacuum?


a) 1
b) 2
c) 3
d) 4

What is the phase difference between the incident wave and the reflected wave at point P?


a) 0°
b) 90°
c) 180°
d) 270°

What is the total number of antinodes on the standing wave in the diagram?


a) 6
b) 2
c) 3
d) 4

The piece of wire that has the greatest resistance is


a) wire 1
b) wire 2
c) wire 3
d) wire 4

The number of excess elementary charges on sphere A is


a) 6.4 × 10^−25
b) 6.4 × 10^−19
c) 2.5 × 10^13
d) 5.0 × 10^13

What is the magnitude of the electric force between the two spheres?


a) 3.0 × 10^−12 N
b) 1.0 × 10^−6 N
c) 2.7 × 10^−2 N
d) 5.4 × 10^−2 N

Compared to the wave frequency and wavelength observed at point A, the wave observed at point B has a


a) higher frequency and a shorter wavelength
b) higher frequency and a longer wavelength
c) lower frequency and a shorter wavelength
d) lower frequency and a longer wavelength

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