质点的动能不变时,质点的动量也一定不变;When the kinetic energy of the particle is constant, the momentum of the particle is also constant; C. 外力的功是零,外力的冲量一定是零;The work of external force is zero, and the impulse of external force must be zero; D. 外力的冲量是零,外力的...
b) The internal energy What happens to the average kinetic energy of the molecules of a warm substance when the temperature of the substance is slightly decreased? a. It increases. b. It decreases. c. It becomes zero. d. It remains unchanged. When a...
- Just before the apple hits the ground, its gravitational potential energy decreases to zero.- The lost gravitational potential energy is converted into kinetic energy.- After the apple strikes the ground, the kinetic energy may be transformed into other forms of energy.Updated on:18/9/2024...
The non-interacting spin susceptibility is related to the compressibility by χs = χ/(4β) as shown in Fig. 1b with reverse color scale. Fig. 1c shows the magnetization. Even though the Zeeman field is absent, a non-zero Peierls flux can magnetize the system since the spin-up ...
During the evolution, the vortex is found to transform from a round shape and becomes elongated, and after three weeks its longitudinal scale becomes 4 times larger than the transverse one. During the transformation of a vortex, the kinetic energy and available potential energy decre...
Bob jumps into a pool. After that, he stops moving and becomes stationary in the water. What happens to his kinetic energy? What would happen to your body if a nuclear bomb was dropped 2 feet away from you? What is linear motion? (domino effect) ...
To put it another way, the potential energy of the building mass, the energy of position it had due to its height and the pull of gravity, was converted into kinetic energy, or energy of motion (the report puts the total potential energy for WTC 1 at 4x1011joules). This is the same...
Energy is always conserved, when something drops to the ground, potential energy changes to kinetic energy and as soon as it hits the ground it changes to another form of energy. If it's an elastic collision, from what I have learnt, the kinetic energy on colliding with the ground wi...
The kinetic energy of most energetic electrons emitted from a metallic surface is doubled when the wavelengthλof the incident radiation is changed from 400 nm to 310 nm. The work function of the metal is View Solution Free Ncert Solutions English Medium ...
athis is a theoretical limit called absolute zero,which is the temperature at which the particles of a substance have absolutely no kinetic energy to give up 这是叫的一个理论极限绝对零度,是温度物质微粒没有绝对动能放弃[translate] awhich product u trade which product u trade[translate] ...