A plane, flying horizontally, releases a bomb, which explodes before hitting the ground. Neglecting air resistance, the center of mass of the bomb fragments, just after the explosion
A) moves vertically.
B) moves horizontally.
C) is zero.
D) moves along a parabolic path.
E) remains in the plane.
D
You might also like to view...
A certain radio wave has a wavelength of 6.0 × 10^-2m. What is its frequency in hertz?
You do not see your image when you look at a flat rough aluminum surface because of
a. interference b. diffraction c. specular reflection d. diffuse reflection e. polarization
The presence of a Mercurian magnetic field surprised the planetary scientists on the Mariner 10 team because
A) Mercury is low in iron. B) Mercury spins too rapidly to produce a stable dynamo. C) it's still too hot for its core to have differentiated. D) the dynamo theory predicted that Mercury was spinning too slowly for one. E) Mercury lacks an iron core.
A student wants to establish a standing wave on a wire 1.8 m long clamped at both ends. The wave speed is 540 m/s. What is the minimum frequency she should apply to set up standing waves?