Four charges are arranged in a square with sides of length 500 cm. What is the resultant force on 2q? Note: q = 4.5 uC.

Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

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Q: A 2.0-N rock slides on a frictionless inclined plane. Which one of the following statements is true ...

A: Given Weight of rock is W=2.0 N The normal force on the rock is   N=Wcosθ    =(2.0 N)cosθ

Q: Part A An airplane is flying with a velocity of 82.0 m/s at an angle of 19.0 ° above the horizontal....

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Q: Eind Àx C) · (Č × B) given the following vectors: Å = 21 + 5j B = -31 – }+ 2k Ĉ = 1+ 4j 51 k B 33k 5...

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Q: Suppose that à = 2i + j, B =i- 4j + k, and Ĉ = j+k. What is the direction of vector A ? A) 35.8 N of...

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Q: A tennis ball is thrown upward at an angle from point A. It follows a parabolic trajectory and hits ...

A: (D) option is correct.

Q: Part A Two piers, A and B, are located on a river: B is 1500 m downstream from A (Figure 1). Two fri...

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Q: A stone is thrown vertically up from the ground with a velocity of 8 m/s. How long must one wait bef...

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Q: Suppose that A= 2i +j, B= i– 4j + k, and Ĉ = j+k. What is Ā· (B x Č)? А) А. -2 В) В. -2 k с) с. -11 ...

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Q: What is the direction of vector A?

A: If a vectorA =Ax i +Ay j then direction theta = tan-1(Ax/Ay) given vector A =2i + j  

Q: A block is pulled along a rough level surface at constant speed by the force P. The figure shows the...

A: Option (D) is correct answer i.e. mg

Q: The diagram below presents the position and elapsed time of a motorbike that starts from rest and ac...

A: Given Displacement of motorbike is △x=50 m Time taken is ∆t=5 s

Q: Two charges , Q1= -9.8 x10-4 C and Q2 exert a total force of 603N in the +x direction on a third cha...

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Q: In a tug-of-war, each man on a 5-man team pulls with an average force of 500 N. What is the tension ...

A: In this case each team pulls with a force of 2500 N because 500x5= 2500 N  The rope pulls back with ...

Q: The x and y components of a displacement vector are –3.00 m and +4.00 m, respectively. What angle do...

A: Givenx-component of displacement vector, Ax=-3.00 my- component of displacement vector , Ay=+4.00 m

Q: A = 2i + j, B=i-4j+k, and C =j+k. What is the direction of vector A? 26.6 E of N 26.6 N of E 35.8 N ...

A: Given: A→=2i^+j^ Required: The direction of A→.    

Q: plastic cup of negligible mass contains 0.280 kgm of an unknown liquid at a temperature of 30.0°C. A...

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Q: 4) A newspaper delivery boy throws a newspaper onto a balcony 1.25 m above the height of his hand wh...

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Q: Which of the following is an example of a vector quantity? a. volume b. velocity C. mass d. temperat...

A: Explanation :- A vector quantity has both magnitude as well as direction. So checking options- a- As...

Q: +Q 1.0 m 4.0 m P 1.0 m 4.0 m

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Q: Your answer needs to have 2 significant figures, including the negative sign in your answer if neede...

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Q: Suppose that the block moves across the surface with constant speed under the action of a horizontal...

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Q: The body in the figure is pivoted at O, and two forces act on it as shown. If r = 2.03 m, r2 = 3.93 ...

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Q: A circuit consists of a 35 N resistor and a 580 mH inductor connected in series to a 12 V battery. W...

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Q: Two charges of opposite sign and equal magnitude Q = 9.4 µC are held 2.0 m apart as shown in the fig...

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Q: 2. A stretched string has a line density of 0.0064 kg/m, tension of 1082 N, and sounds the note D4. ...

A: Given, Linear density of string,μ = 0.0064 kg/m Tension , T = 1082 N Sounds the note D4 Frequency of...

Q: 3. A body weighing 200N is pulled on a horizontal purface by a firce of 50Ñ paralled Yo the surface ...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: 30 25 20 15 (m)0 6. 10 12 t(sec) What is the total displacement of the car during the first 10 secon...

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Q: You drive your car from home to school at an average speed of 60 kph East for 1 hr and then continue...

A: Given: v1=60kph (east)t1=1 hrv2=80kph (north)t2=1.5 hr  

Q: 1. An airplane makes a turn in a horizontal plane without sideslip at 480 mph. At what angle must th...

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Q: A 3.45 kg black ball traveling 4 m/s has a head on collision with a white one at rest. Using the vel...

A: Given data: The mass of the black ball is m1=3.45 kg. The initial speed of the black ball is v1=4 m...

Q: (Challenge problem) A 3-kg block slides along a frictionless tabletop at 8 m/s to- ward a second blo...

A: GivenMass of block 1 ,m1=3 kgvelocity of block 1, v=8 m/sAndMass of block 2, m2=4.5 kgSpring constan...

Q: A stationary firecracker explodes into two pieces. The piece shot to the right has a mass of 0.07 kg...

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Q: Thermodynamics 3. An insulated beaker with negligible mass contains 0.250 kgm of water at 75.0°C. H...

A: Given: The mass of the water is 0.25 kg. The initial temperature of the water us 75oC. The initial t...

Q: nasee Plides do wn an inclined plane 2.0 meters long, maRs SI 30° above the hori2ontal. Starting fro...

A: 4) mass = m= 100 kg distance = s = 2m angle = 30 degrees

Q: A person looks at a gem using a converging lens with a focal length of 13.8 cm. The lens forms a vir...

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Q: You visited France and bought a 100 W light bulb there. The operating voltage is France (and most of...

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Q: Calculate the resistance of the following circuit diagram.

A: Using Ohms law  V= IR where I is current V is voltage R is resistance  given V = 3 V I= 100 A

Q: The output EMF of a generator is given by V (t) = a sin(wt), where a = 231 V. Find the rms current i...

A: Given : Peak voltage (a) = 231 V and resistor (R) = 118 ohm

Q: A large weather balloon of mass 226.0 kg is filled with helium gas until its volume is 325.0 m3. Cal...

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Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

A:

Q: Suppose that A = 2i + j, B = i- 4j + k, and Ĉ = j+k. What is Á· (B x Č), A -11 B) -2 C) -11 k D) -2 ...

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Q: An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulle...

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Q: These are materials in which some of the electrons are free electrons that are not bound to atoms an...

A: Since, you have posted multiple questions, according to company policy we will answer the 1st questi...

Q: estion 1 of 9 The force of Earth's gravity pulls down on a snowflake as it floats gently toward the ...

A: The force of Earth's gravity pulls down on a snowflake as it floats gently toward the ground. What i...

Q: Given that, bz (400mm x 3000)mm b3(400mmx yootim) Area 100000mm? %3D 400 XB00 01200000 mm2 Ab3 = 400...

A: Write the relationship between stress and area. For constant force F, the stress σ is inversely pro...

Q: A transformer has a primary with 4000 windings and a secondary coil with 78,000 windings. If the inp...

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Q: In which one of the following situations does the car have a westward acceleration? (A) The car trav...

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Q: Suppose that Ả = 2i + j, B = i– 4j + k, and Ĉ = j+k. ... What is the direction of vector A ? (A) A. ...

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Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

A: Between A to B, ball is going in upward direction so velocity is in upward direction, and this ball ...

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.