Which of the following four objects has different kinetic energy?
a. An object of mass m moving with speed 4v
b. An object of mass 4m moving with speed 2v
c. An object of mass 16m moving with speed v
d. An object of mass 2m moving with speed 3v
e. None of these; all four objects have the same kinetic energy.
d
You might also like to view...
The wavelengths of the sounds produced by two horns are 6.0 m and 7.0 m, respectively. What beat frequency is heard when the horns are sounded on a day when the speed of sound is 340 m/s?
A) 5 Hz B) 6 Hz C) 7 Hz D) 8 Hz
In ultrasound the __________ of the sound is much greater than in normal sound
Fill in the blank(s) with correct word
What is the angular separation of two spectral lines of wavelengths 497 nm and 251 nm formed in the third order with a diffracting grating having 587 lines per millimeter?
A) 34.8° B) 24.8° C) 41.3° D) 29.4° E) 4.21°
If the height of water behind a dam is increased by a factor of two, then the maximum kinetic energy of the water at the bottom of the dam will increase by a factor of _____
a. one b. two c. four d. zero