Physics

Final test of Principles of Physics

Does a boat float higher in the water of an inland lake or in the ocean? Apply your knowledge of fluid mechanics to explain why?

If its wavelength λ triples, its kinetic energy is:

A non-relativistic free electron has kinetic energy K. If its wavelength λ triples, its kinetic energy is:

Find the stopping potential for electrons ejected from the sample by 16 x 1014 Hz electromagnetic radiation

The work function for a certain sample is 3.2 eV. Find the stopping potential for electrons ejected from the sample by 16 x 10^14 **Hz ele...

Direct current and circuit analysis

It involves study of kirchhoff's laws,nodal

What angle θA, where 0∘≤θa<360∘, does A make with the +x-axis?

You are given two vectors A⃗ =−3.00ι^+7.00j^ and B⃗ =8.00ι^+2.00j^. Let the counterclockwise angles be positive.
i) What angle θA, where 0∘≤θA<360∘,...

Write a vector equation for A for each arrangement of vectors

There are 5 different arrangements for this question, all given in image

In the grating equation nλ=d sin θ, the quantity θ will be determined in the lab

A) Using the angular scale on the experimental apparatus.
B) Using meter sticks and geometry/trigonometry.
C) using a protractor.

Increasing the mass attached to a spring will increase the angular frequency of its vibrations.

True/False question from simple harmonic motion! How angular frequency is effected by mass? Is angular frequency directly proportional to mass?

How will the desired centripetal force be set?

(i) By measuring the velocity, radius, and mass of the test mass.
(ii) By choosing a value for the hanging mass.
(iii) By measuring the accelera...

What angle θA, where 0∘≤θa<360∘, does A make with the +x-axis?

You are given two vectors A⃗ =−3.00ι^+7.00j^ and B⃗ =8.00ι^+2.00j^. Let the counterclockwise angles be positive.
i) What angle θA, where 0∘≤θA<360∘,...

Write a vector equation for A for each arrangement of vectors

There are 5 different arrangements for this question, all given in image

Calculate the wavelength λ1 for gamma rays of frequency f1 = 7.50×10^21 hz .

Calculate the wavelength λ2 for gamma rays of frequency f2 = 5.70×10^14 Hz
Please answer for both in meters.

Find the wavelength λ of the 80.0-khz wave emitted by the bat.

A moth of length 1.0 cm is flying about 1.0 m from a bat when the bat emits a sound wave at 80.0 kHz. The temperature of air is about 10.00C. To sense...

In the grating equation nλ=d sin θ, the quantity θ will be determined in the lab

A) Using the angular scale on the experimental apparatus.
B) Using meter sticks and geometry/trigonometry.
C) using a protractor.