物理
Physics studies features of the universe, ranging from natural to manmade phenomena. With Wolfram|Alpha, you can explore data about phenomena in the areas of quantum mechanics, nuclear and particle physics, thermodynamics and Newtonian mechanics. Wolfram|Alpha also knows a variety of physical formulas and constants. With all of this built-in data and interactive calculators, it is easy to get answers to your physics questions, either for homework or general curiosity.
Explore the physical laws that describe the behavior of one or more bodies under a system of forces.
计算机械功
计算向心加速度
进行重力计算
Explore the motion of fluids using statistical methods.
找出气体的麦克斯韦速率分布
Compute entropy with the Sackur–Tetrode equation:
Study the properties and behaviors of light.
用薄透镜方程进行计算
计算圆孔的衍射图案
Compute a diffraction pattern for a single slit:
Use the Rydberg formula to compute spectral lines:
Explore quantum phenomena, such as scattering and quantum states.
Compute the energy of a photon given its wavelength:
计算康普顿波长
查找原子光谱
Explore details, values and definitions for various physical constants.
得到物理常数的值
进行涉及物理常数的计算
Examine the behavior of fluid systems and objects moving through them.
Calculate flow through a pipe:
Determine change in fluid speed from pressure change:
Compute fluid flow around an object:
Explore oscillatory motion, from pendulums to electromagnetic waves.
Analyze a harmonic oscillator:
Analyze the motion of a spring pendulum:
Compute a Doppler shift:
Explore heat, energy and entropy and how they relate to thermodynamic systems.
进行焦耳定律的计算
分析绝热过程
进行理想气体定律计算
Analyze an Atkinson cycle:
Explore Einstein's theories of special and general relativity and how they relate to gravity, time and space.
进行相对论速度相加
计算相对论动量
Determine gravitational time dilation near massive objects:
Get information about particles and their interactions.
获得粒子的有关信息
进行有关粒子性质的计算
比较某一类粒子的某种性质的值
Explore physical laws, principles and effects.
了解牛顿定律
了解布朗运动
了解量子力学中的某个悖论
Delve into black holes to learn about their properties, evolution and locations.
Compute the location and get properties of a stellar-mass black hole:
Generate a list of nearby black holes:
Calculate the properties of a theoretical black hole with a known mass:
更进一步
相关示例
Explore the physics of the electromagnetic force.
通过输入域指定数据来进行欧姆定律计算
Find equations associated with a magnetized object:
Analyze an RLC circuit:
Do a Coulomb's law computation:
Explore aspects of nuclear physics, including radiation and nuclear power.
计算材料的阻止本领
获得有关同位素的信息
Compute characteristics of Cerenkov radiation:
Explore the nature of celestial objects, including black holes, stars and planets.
计算一个大质量物体绕另一个旋转的轨道周期
计算宇宙的宇宙学性质
计算黑洞的性质
Get information on physical effects and compare them.