111年hce_nchu — 物理

共 50 題 · 含 AI 詳解

#1 An object starts from rest at the origin and moves along the x axis with a const… › #2 A ball is thrown horizontally from the top of a $20\text{-m}$ high hill. It stri… › #3 The speed of a particle moving in a circle $2.0\text{ m}$ in radius increases at… › #4 Block A, with a mass of $10\text{ kg}$, rests on a $30^\circ$ incline. The coeff… › #5 Block A, with mass $m_A$, is initially at rest on a horizontal floor. Block B, w… › #6 As a $2.0\text{-kg}$ object moves from $(2\hat{i}+5\hat{j})\text{ m}$ to $(6\hat{i}-2\hat{j})\text{ m}$… › #7 A certain pendulum consists of a $1.5\text{-kg}$ mass swinging at the end of a s… › #8 A $10\text{-g}$ bullet moving horizontally with a speed of $2.0\text{ km/s}$ str… › #9 A wheel of radius $R$ is mounted on a frictionless, horizontal axle that is perp… › #10 A merry-go-round of radius $R = 2.0\text{ m}$ has a moment of inertia $I = 250\text{ kg}\cdot\text{m}^2$… › #11 The figure shows a uniform rod (length $L = 1.0\text{ m}$, mass $m = 2.0\text{ kg}$… › #12 A ball of mass $m_B$ is released from rest and acquires velocity of magnitude $v_B$… › #13 An asteroid revolves around the Sun with a perihelion $0.5\text{ AU}$ and an aph… › #14 A $3.0\text{-kg}$ block is on a horizontal surface. The block is at rest when, a… › #15 Star X is 200 light-years away from the Earth. Astronauts Joe and Mary, both at… › #16 A bubble having a volume of $1.00\text{ cm}^3$ is released from the bottom of a… › #17 Liquid metal of mass $m\text{ kg}$ at $500\text{ K}$ is mixed with the same liqu… › #18 A $5.23\text{-g}$ pebble is dropped from a $300\text{-m}$ building. If it reache… › #19 While temperature is kept constant, if consider only translational and rotationa… › #20 n moles of ideal gas of pressure P and volume V undergoes an irreversible expans… › #21 An object hangs from a spring balance. The balance indicates $30\text{ N}$ in ai… › #22 Water is streaming downward from a faucet opening with an area of $3.0\times 10^{-5}\text{ m}^2$… › #23 A police crime lab is trying to determine whether someone was murdered or died a… › #24 A venturi tube may be used as the inlet to an automobile carburetor. If the $2.0\text{-cm}$… › #25 Determine the minimum area of a flat ice floe $1.0\text{ meter}$ thick if it is… › #26 At what rate is thermal energy being generated in the $2R$-resistor when $\varepsilon = 12\text{ V}$… › #27 A charged capacitor stores energy U. Without connecting this capacitor to anythi… › #28 As shown in the figure, a wire and a $10\text{-}\Omega$ resistor are used to for… › #29 A transverse wave traveling along a string transports energy at a rate $r$. If w… › #30 A tube open at one end and closed at the other end produces sound having a funda… › #31 A solid nonconducting sphere of radius $R$ carries a charge $Q$ distributed unif… › #32 Determine the energy stored in $C_2$ when $C_1 = 15\text{ }\mu\text{F}$, $C_2 = 10\text{ }\mu\text{F}$… › #33 A charge per unit length given by $\lambda(x) = bx$, where $b = 12\text{ nC/m}^2$… › #34 A $16\text{-nC}$ charge is distributed uniformly along the x axis from $x = 0$ t… › #35 The electric field in the region of space shown is given by $\vec{E} = (8\hat{i} + 2\hat{j})\text{ N/C}$… › #36 A charge per unit length given by $\lambda(x) = bx$, where $b = 12\text{ nC/m}^2$… › #37 When a cube is inscribed in a sphere of radius $r$, the length $L$ of a side of… › #38 For the potential $V = 3x^2z - 2yz^3$, what is the corresponding electric field… › #39 A square loop ($L = 0.20\text{ m}$) consists of 50 closely wrapped turns, each c… › #40 A bar magnet is dropped from above and falls through the loop of wire shown belo… › #41 What is the magnitude of the magnetic field at point P if $a = R$ and $b = 2R$? › #42 A long wire carries a current of $3.0\text{ A}$ along the axis of a long solenoi… › #43 A uniform magnetic field is applied perpendicular to the plane of a 60-turn circ… › #44 A loop of wire ($\text{resistance} = 2.0\text{ m}\Omega$) is positioned as shown… › #45 A conducting rectangular loop of mass $M$, resistance $R$, and dimensions $a \times b$… › #46 A conducting sphere of radius $R$ carries an excess positive charge and is very… › #47 A conducting sphere is charged up such that the potential on its surface is $100\text{ V}$… › #48 Point charges $q$ and $Q$ are positioned as shown. If $q = +2.0\text{ nC}$, $Q = -2.0\text{ nC}$… › #49 Addition of a metal slab of thickness $a$ between the plates of a parallel plate… › #50 The magnitude of the magnetic field at point $P$ for a certain electromagnetic w… ›