Describe how a water molecule is polar.

Q: The figure below shows an overhead view of four particles of equal mass sliding over a frictionless ...

A:

Q: A guitar string has a fundamental frequency f. The tension in the string is increased by 1.20%. Igno...

A: The velocity in a stretched string is given by, v=Tμ v is velocity and T is the tension. μ is mass /...

Q: A nonlinear spring is compressed horizontally. The spring exerts a force that obeys the equation F(x...

A: Given : F(x)=Ax1/2 A=F(x)x1/2

Q: A sonic depth gauge is placed 5.2 m above the ground. An ultrasound pulse sent downward reflects off...

A: a) The distance of the snow from the device is, d=12vtd=12318.8m/s0.027s    {The speed of air at −20...

Q: Let R be the resistance of R1 = 25 ohms and R2 = 15 ohms in parallel. (See Chapter 2, Problem 16.6.)...

A: R1 = 25 ohm R2 = 15 ohm R1' = 25.1 ohm 

Q: an ice skater is gliding along at 4.0 m/s. Her speed has dropped to 2.8m/s after 6 seconds with cons...

A: An ice skater is sliding, hence vertical force acting is her body weight "mg" and the upward normal ...

Q: Two circular coils of radius Rare each perpendicular to a common axis. The coil centers are a distan...

A: The two circular coils are on the same axis. The distance between and radius of the circular coils i...

Q: 60m A ball is thrown vertically upward from the top of a building of height h= 60 m with an initial ...

A: Given: Initial velocity of the ball is v0=20 m/s Height of the building is h=60 m Formula Used: At p...

Q: What is the final angle θ3 (in degrees) of the refracted light rays in air relative to the surface?

A: The refractive indices for Water, oil, air are 1.33 , 1.45, 1 respectively...

Q: Physics Question

A: Solution:   To determine the change in the velocity vector is shown as below:    

Q: A long solenoid with n = 10 turns per centimeter has a cross-sectional area of 5.0 cm2 and carries a...

A: Given: The number of turns is N=10 turns/cm. The current is I=0.25 A. The area is A=5 cm2. The time...

Q: A playground ride consists of a disk of mass M=48 kg and radius R=1.6 m mounted on a low-friction ax...

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Q: Please answer the following   Two children stretch a jump rope between them and send wave pulses bac...

A: Values given in the question are as follow; l=2.1 mM=0.42 kgF=69 N Formula of linear mass density is...

Q: Assume that your weight is 150 lb on the Earth. If I turned on my ACME Planet Shrinker TM which does...

A: Given data: Initial wight on the earth is, W= 150 lb Initial radius of the earth is, R  Final radius...

Q: a) A device consists of an object with a weight of 40.0 N hanging vertically from a spring with a s...

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Q: From the followng equations x=1.125t + 0.0931 y= -4.9807t2 + 2.3917t + 0.2347: What is the intial ve...

A: Given data *The first given equation is x = 1.125t + 0.0931 *The second given equation is y = -4.980...

Q: When a vapor condenses to a liquid, Select one: O A. its internal energy increases O B. its temperat...

A: Answer: Condensation: In physics, the condensation is described as the process in which any particul...

Q: What total amount of heat must be removed to drop the wholebody temperature of a typical 65-kg patie...

A: mass, m = 65 kg  specific heat, c = 3490 J/kg C change in temperature, T = 1 °C

Q: The figure below gives an overhead view of the path taken by a 0.165 kg cue ball as it bounces from ...

A: Scenario: When the ball hits and bounces from the rail of pool table, its velocity can be resolved i...

Q: How can acceleration be related to initial velocity, final velocity and distance travelled?

A: acceleration initial velocity  final velocity  distance 

Q: The amplitude of a transverse wave in a stretched string is the maximum displacement of the string f...

A: Longitudinal wave propagates in the form of regions of compression and rarefaction.During compressio...

Q: Calculate the magnitude of the angular momentum ofan electron in the n=5,l=3 state of hydrogen.

A: Given The number of orbit is n = 5. The quantum number is l = 3. The angular momentum of an electr...

Q: Q7: * An object moves with a constant acceleration of 5 m/s³. Which of the following statements is t...

A: Given : Acceleration (a) = 5 m/s2

Q: Problem 4: During an ice show, a 62.5-kg skater leaps into the air and is caught by an initially sta...

A: a. according to the conservation of momentum, the final speed is mAvA+mBvB=mA+mBvv=mAvA+mBvBmA+mB=62...

Q: E4.A force of 128 N acts on a ball for 0.45 s. If the ball is initially at rest: (a) What is the imp...

A: Hello. Since your question has multiple question, we will solve the first one for you. If you want r...

Q: (a) A light-rail commuter train accelerates at a rate of 1.35 m/s2. How long does it take to reach i...

A: a) Use kinematic equation, the expression for find time is t=v-ua Insert values in the above equatio...

Q: A uniform soda can of mass 0.141 kg is 12.1 cm tall and filled with 0.351 kg of soda (figure below)....

A:

Q: A train starts from rest and accelerates uniformly at 1.5 m/s​^2 until it attains a speed of 30 m/s....

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Q: Particle 1 has mass m1= 2 kg and velocity v1= 10 m/s . It collides with particle 2 which has mass m2...

A:

Q: Unpolarized light falls on two polarizer sheets whose axesare at right angles. (a) What fraction of ...

A: (A) In the first case the second polarizer makes an angle of 90 degree with the first one. Let the o...

Q: A person's body temperature is 3.85°F above normal. How many degrees above normal is their body temp...

A: Given :  Temperature of the body = 3.85°F  above normal. Required : How many degrees normal is their...

Q: How is the wavelength of light correlated with its energy content?

A:   The energy of light can be expressed as E=hν

Q: The volume of a monatomic ideal gas triples in an isothermalexpansion. By what factor does its press...

A: From ideal gas equation, PV=nRT For isothermal expansion, P1V1=P2V2

Q: In the circuit below C1 = C3 = C4 = 2 μF; C2 = C5 = C6 = 4 μF and Vab = 100 V (i)What is the equival...

A: Hi. Since you have posted a question with multiple parts and not specified which part you want us to...

Q: Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0....

A: Option d)

Q: Two men are moving a heavy metal box with a mass of 225 kg from an initial position to one that is 8...

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Q: answer Q 3

A: Gravitational force of attraction between two objects with mass m1 and m2 and distance between them ...

Q: A monochromatic (i.e., single frequency) beam of light travels from material #1 into material #2, wh...

A: Refractive indices n1>n2

Q: A child in a boat throws a 5.30-kg package out horizontally with a speed of 10.0m/s. Calculate the v...

A: Mass of the package is m = 5.30 kg Speed of the package is v = 10.0 m/s Mass of the child is 24.0 kg...

Q: The total resistance R (in ohms) of two resistors connected in parallel is given by 1 %3D 1 R R1 R2 ...

A: 1/R = 1/R1 + 1/R2 1/R = 1/8 + 1/16 R = 5.33 ohm   New Resistance is given by 1/R = 1/8.5 + 1/11 R = ...

Q: Overall, 80% of the energy used by the body must be eliminated as excess thermal energy and needs to...

A: a. the rate at which excess thermal energy dissipated by radiation is Prad=σAeT4-T04=5.6696×10-8 W/m...

Q: A 7700-kg boxcar traveling with a speed of 15m/s strikes a second car at rest. The two stick togethe...

A: According to conservation of linear momentum, momentum before collision=momentum after collision mom...

Q: The angle that a spinning disc rotates through as a function of time given in radians as: θ(t)= 2 + ...

A: Given: θ=2+3t-2t2 a) The expression used to find angular velocity of disc as a function of time is ω...

Q: A child on a swing has a speed of 1.5 m/s at the low point of the arc . How high ( in m) will the sw...

A:

Q: 1. Two objects, a cylinder and a hoop, roll down the ramp without slipping. They start from rest at ...

A: Given data The moment of inertia of the cylinder is Icyl=MR22 The moment of inertia of the hoop is I...