displacement vector is 21 km in length and is directed 60 degrees S of E. Which of the following is TRUE? A. Its x- and y- components are 11 km and 10 km, respectively. B. Its x- and y- components are both 10 km. C. Its x- and y- components are 10 km and 11 km, respectively. D. Its x- and y- components are both 11 km.   2) A student adds two

Q: When a 2.0 kg rock is dropped from a cliff it hits the beach at 24 m/s. At what speed would a 4.0 kg...

A:

Q: Two parallel conducting plates are separated by a distance d = 10.8 cm. Plate B, which is at a highe...

A:

Q: Violet light has a wavelength of 425 nm. What is the frequency of this light? speed of light = 3 x ...

A: wavelength of violet light is 425 nm. 1 nm = 1 x 10-9 m  speed of light = 3 x 108 m/s  

Q: "During an adiabatic expansion, the temprature of 0.450 mol argon drops from 50 degrees C to 10 degr...

A:

Q: The figure shows a modified setup of E101. m1=2.00 kg is on a frictionless table, m3=5.00kg and m2=3...

A: We have some information in the question which is  m1 = 2.00 kg  m2 = 3.00 kg  m3 = 5.00 kg  and we ...

Q: A 44 kg box is moving at a constant acceleration of 1.8 m/s ^ 2 What is the force acting on the box?

A: Given in question: Mass of Box(m) = 44 kg                                 Acceleration(a) = 1.8 m/s2...

Q: The figure shows the speedometer readings as a car drives down a straight road. (attached) a. What ...

A:

Q: V2 2.00 0 where V = V2 =2.00 V.

A: Given  Resistance R = 2 ohm  V1 = 2 V  V2 = 2 V 

Q: Three point charges q1, q2, and q3 are situated at three corners of a rectangle as shown in the diag...

A: Given: q1=8 μCq2=-8 μCq3=9 μC

Q: What is density?

A: Density is defined as the measurements of the tightness of the molecules of the given material. If t...

Q: The vectors from the origin to the points A, B, and C are i + j, 3i + k, and 4i – 3j – 4k, respectiv...

A: We first find the vectors of the sides AB, BC and CA. Then find if any two vectors are perpendicular...

Q: An object moves from position (3,4) to (6,5) in the plane. Find the magnitude and direction of displ...

A:

Q: What is the speed of a wave on a rope (length 6 meters, mass 70 kg) with a tension force of 600 N ap...

A: Given(s): Tension on the rope, T=600 N The total mass of the rope, M=70 kg Length of the rope, L=6 ...

Q: Relationship between temperature scales?

A: Relationship between temperature scale. As the temperature is measured in difference in scales, such...

Q: A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the...

A:

Q: A large capacitance of 1.63 mF is needed for a certain application. [Find Component D] (a) Calculate...

A:

Q: A police car approaches the wall with speed of v= 35 m/s while emitting sound with frequency of 2,64...

A:

Q: Using the same sample of gas (P = 325 torr ,T = 14 °C), we wish to change the pressure to 3250 torr ...

A: As per guidelines we are suppose to do only one question from multiple questions, please post other ...

Q: A stone is thrown into a deep lake. As it sinks deeper and deeper into the water, does the buoyant f...

A: The force of buoyancy experienced by a less dense object in a more dense fluid is given by Fb = ρVg,...

Q: If E is zero everywhere along a certain path that leads from point A to point B what is the potentia...

A: Potential difference : Potential difference between any two points is defined as the amount of work ...

Q: Problem 2: A 2kg object starts at rest at the top of a slope which is 10 meters high. A. What are it...

A:

Q: A traffic light that has a mass of 10kg is suspended by two wires as shown. What is the tension n tw...

A:

Q: A bat, moving at 3 m/s, is chasing a flying insect. If the bat emits a 40-kHz chirp and receives bac...

A: we have speed of bat v=3m/s fo=40kHz,fi=40.7kHz, Vsound=343m/s fi=fi(v+vinsect/v-vin) Putting value ...

Q: The density of electrons increases along the coordinates of a metal according to the relationship n ...

A:

Q: In the figure the ideal battery has emf 8 = 43 V, the resistances are R1 = 51 kN and R2 = 44 k2, and...

A:

Q: When the electrons reach the middle of the metal, you can never leave it for any external influence ...

A: (1) When we increases the strength of the external field ,potential barrier outside the conductor be...

Q: Which car has northward acceleration?  A) a car traveling north at a constant speed. B) a car tra...

A: The car have northward acceleration in the following cases: A car is traveling north and speeding up...

Q: A science-fair radio uses a homemade capacitor made of two 2.3 cm × 2.3 cm sheets of aluminum foil s...

A:

Q: Part A The work done by an external force to move a -5.50 µC charge from point A to point B is 1.90x...

A: charge (q) = -5.50 μC work done by external force = 1.90×10-3 J Initial velocity = 0 msFinal kinetic...

Q: An object of mass of 2.0 kg hangs from an ideal massless spring with a spring constant of 50 N/m. An...

A: Amplitude: Amplitude is defined as the maximum deviation of a particle from its equilibrium position...

Q: 9. What observations in the gold foil experiment made Rutherford conclude that atoms are mostly empt...

A:

Q: In a lab activity, forces A and B were set on the force table. A = 0.10 N at 0 degrees and B = 0.10 ...

A:

Q: A football player is preparing to punt the ball down the field. He drops the ball from rest and it f...

A: Given, mass of the football, m = 420 g = 0.42 kg speed of the ball after kick, v = 24.5 ms at 53°

Q: What is absolutely viscosity?

A:

Q: 2. Two thin partially silvered glass plates are rigidly joined at an angle 45°. The structure is pla...

A: From the first surface the incident light is in -y and reflected light in -x direction . So change o...

Q: Second Condition of Equilibrium can be written i

A: The second condition necessary to achieve equilibrium is  Net Torque = 0   ie, sum of all the torque...

Q: Hello my dear tutor, Please help me answer this one. Show your solutions or answers. Type only your ...

A: Given Data  Capacitor C1 =5 F  Capacitor C2 = 20 F  Capacitor C3 = 40 F  Combination of Capacitance ...

Q: Using the mathematical expression for the conductivity of a material, explain how it varies with tem...

A: Since, we know that conductivity (σ ) of a material is reciprocal of its resistivity (ρ)        i.e....

Q: What is the speed of a wave with frequency 550 Hz and wavelength 0.5 m?

A:

Q: In the figure, two blocks, of masses 2.00 kg and 3.00 kg, are connected by a light string that passe...

A: Moment of Inertia: moment of inertia is defined as the property of a body that resists the angular a...

Q: A car drives around a circular track of diameter 126 m at a constant speed of 31.9 m/s. During the t...

A:

Q: What is the tension (in N) in the rope?

A: The tension in the rope is 7.84 N.

Q: The plates of a parallel plate capacitor are 3.28mm apart, and have an area of 12.2cm². Each plate c...

A:

Q: Consider the circuit diagram given below. where V1 = 8.50 V and V2 = 5.00 V. Find the unknown resi...

A:

Q: A ball of mass 8 kg and moving to the right has a velocity of 8.2 m/s and is in a head-on collision ...

A:

Q: Two point charges totaling 7.00 µC exert a repulsive force of 0.250 N on one another when separated ...

A:

Q: 2. Find the electric field a distance y above the center of a square loop (side w) carrying uniform ...

A:

Q: When a sound source is receding from an observer, the wavelength of the sound wave will ____________...

A: Ques: When a sound source is receding from an observer, the wavelength of the sound wave will ______...

Q: A projectile is fired from the ground, reaches a maximum height of 71.7 m and lands a distance of 48...

A: Given: The maximum height of the object from the ground is 71.7 m. The horizontal distance traveled ...

Q: The spring is now compressed so that the unconstrained er x = L. Using the work integral

A: We know that the formula of the spring force is given as  F = -kx where k is the spring constant. x ...