A car traveling with an initial velocity in m/s (blue vector) has an acceleration in m/s2 (red vector). What is the car's velocity vector (green vector) after one second?

Q: Four objects: A, B, C and D, with different weights, are placed on a rigid horizontal surface. Table...

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Q: Charge is distributed throughout a spherical ball of radius R with a volume density given by

A: We know that the gauss law is defined as  ∫E.ds =∫ dqε0 where E electric field  q is the charge  We ...

Q: A 20-kg equipment is initially at rest on an inclined surface with a 15° angle with the horizontal. ...

A: Given: The mass of the object is 20 kg. The angle of the inclination is 15o. The coefficient of the ...

Q: The A string on a cello vibrates in its first normal mode with a frequency of 220 Hz. The vibrating ...

A: Given: The frequency of the first normal mode is 220 Hz. The length of the string is 75 cm. The mass...

Q: a- Calculate the radius of the first orbital of the hydrogen atom according to the Bohr model? What ...

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Q: A particle with velocity ?⃑ ? = - 3.0?̂+ 5.0?̂(in meters per second) at t = 0 undergoes a constant a...

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Q: Figure below shows a bead sliding on a wire. If friction forces are negligible and the bead has a sp...

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Q: An AC circuit with a 20 ohm resistor, a capacitor with a capacitance of 15 ohms, and an inductor wit...

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Q: A small circuit consists of a resistor in series with a capacitor, as shown. The capacitor stores 23...

A: Given data: Energy U = 23.7 mJ Voltage Vbat = 32.0 V Time spent in half discharge of capacitor t = 3...

Q: 8. What is the current in each branch, IL I2 , I3. E, = 18 V b C I2 12 0.5 2 R2 2.5 2 1-12 R, a e 6....

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Q: termine the direction of the inductive current flowing through resistor R in the cire 1.1 When remov...

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Q: Two spheres 5 mm apart are placed with equal number of electrons to produce a repulsive force of 40...

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Q: B

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Q: A ball is shot vertically into the air at a velocity of 56 m/s. After 6 seconds, another ball is sho...

A: Given  Initial velocity of ball 1, u1 = 56 m/s  Initial velocity of ball 2, u2   After 6 sec, ball 2...

Q: alculate the charge density that will give rise to the potential, where the potential is given - 0 =...

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Q: A contestant in a winter sports event pulls a 55.0 kg block of ice across a frozen lake with a rope ...

A: Since, friction coefficients are not given but we know that on ice the coefficient of static frictio...

Q: A box of gas has 17 distinguishable particles and 168 cells. Calculate the number of microstates. S...

A: In this question we have to find the number of microstates. Please give positive feedback if the ans...

Q: 1 A 540 kg car is merging onto the interstate on a banked curve. The curve is banked 7.1 degrees fro...

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Q: Find the total charge delivered by the battery in the capacitor network diagrammed below. C1=3, C2=6...

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Q: A projectile is launched horizontally from a high cliff on a planet where g=6 m/s2 and lands on the ...

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Q: 1. A 20-kg equipment is initially at rest on an inclined surface with a 15° angle with the horizonta...

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Q: An ideal gas at 1.53 atm. is heated from 334.01K to 553.51K and its volume expands to 4 times its or...

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Q: A mass m moves in a circle on a smooth horizontal plane with velocity vo at a radius Ro. The mass is...

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Q: Let's see if you can apply what you learned about conservation of energy to predict information abou...

A: Only three subparts per question. please post remaining questions

Q: mponent form, at the point, P in the diagram below due to the stationary point charges, q1 and q2, w...

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Q: 10 250 20 500 30 755 50 1,250 100 2,505

A: Option (A)- doubling the turns of wire in an electromagnet will double its strength. Reason Strength...

Q: 2. Circle coil area 3.0 square centimeter Placed in a uniform magnetic field (B) 0.5 tesla, directed...

A: Given that:- Strength of uniform magnetic field=B=0.5T

Q: A small circuit consists of a resistor in series with a capacitor, aS SIIU The capacitor stores 23.7...

A: For discharge of a capacitor, V(t)=V0e-tRC

Q: 2. Circle coil area 3.0 square centimeter Placed in a uniform magnetic field (B) 0.5 tesla, directed...

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Q: Healthy adult humans have been shown to be able to detect accelerations as low as 10 mm/s² (yes that...

A: acceleration at circular turns =v2R

Q: The resistance of each brake lightbulb on an automobile is 5.0 Ω.  Use the fact that cars have 12-V...

A: Given value--- Resistance = 5 Ohm. Voltage = 12 V. We have to find--- current?

Q: Shown below is a 10.0 kg block being pushed by a horizontal force F of magnitude 221.0 N. The coeffi...

A: Given data: Mass m = 10.0 kg Force F = 221.0 N Friction coefficient μk=0.60  

Q: TOPIC: KINEMATICS OF PARTICLE Rafael Joshua wants to test how fast can Supergirl save him if he jum...

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Q: The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest size vehicle (kg) it c...

A: Image-1

Q: What force P is required to lift the weight shown in the picture at constant 300 N velocity? Ignore ...

A: since weight is moving with constant velocity hence net force acting must be zero hence all forces m...

Q: An air conditioner, 6400 watts, is used only 4 months out of a year. On a typical day it is used onl...

A: We first convert the wattage to kilowatts and then use hours operated everyday to find the number of...

Q: heart defibrillator being used on a patient has an RC time constant of 11 ms due to the resistance o...

A: time constant = τ= 11ms capacitance = C = 8.5 X 10-6 F initial voltage = V = 14 kV

Q: 2. A crate with mass m, =10 kgs and a block with mass m, = Ignoring the masses of the pulley and the...

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Q: Find T so that block B will start moving towards the left. Use o.40 as the coefficient of friction f...

A: Solution: given that WA = 20 N WB = 50 N coefficient of friction = 0.4 

Q: What is the inclination of a circular orbit of period 100 minutes designed such that the trace of th...

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Q: On a certain planet, a simple pendulum of length 1.4 m makes three complete oscillations in five sec...

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Q: A ball whirls around on the end of a string, moving in a circle at a constant speed of 3.0 m/s. If i...

A: for a circular motion acceleration =v2R

Q: 5. When a resistor and an inductor coil are connected in series and connected to an AC power supply ...

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Q: Fifty gram of ice at zero degree celsius ia added to 200 g of water at 40 degree celsius contained i...

A: Let heat of fusion of ice is L cal/g Then heat needed by ice to become water at 0 degree Celsius =50...

Q: In the Michelson-Morley experiment, laser light of wavelength 600 nm is used. The path difference (i...

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Q: (11%) Problem 12: A capacitor with a capacitance of 3.5 pF is initially uncharged. It is connected i...

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Q: A uniformly charged wire is 2.58 m long and 0.15 mm in diameter. You measure the electric field 1.20...

A: Given that:- Electric field due charges wire=543kN/C

Q: A small circuit consists öf The capacitor stores 23.7 mJ of energy after a Vut = 32.0 V battery has ...

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Q: Sabrino is walking down a road when he observes a nearby mountain that a boulder is falling, he noti...

A: We will use the laws of motion to solve this question. The distance travelled by a body falling from...

Q: Two forces act on a 4.25 kg object, the gravitational force and a second, constant force. The object...

A: Given, mass of an object, m = 4.25kginitial speed of the object, u 0time taken, t = 1.20 sdisplaceme...

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.