B1 B2 B1 B2 d d

Q: The 67.5-kg block A is released from rest. Determine the velocity in m/s of the 28.1-kg block B in 6...

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Q: D1 2. 1 V1 R1 15V 2502 3 A Id=0.06 A; VD=0.7 B Id=0.057 A; Vd=0.7 V c) Id=0.057 A; Vd=14.3 V (D) Id=...

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Q: Use the work-energy theorem to find the force required to accelerate an electron (m = 9.11 × 10–31 k...

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Q: A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reac...

A: A ball is thrown upward in the air with an initial velocity of 40 m/s.

Q: A swing consists of a board at the end of a 10 ft long rope. Think of the board as a point P at the ...

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Q: If gravity pulls you down toward the center of Earth with a force of 500 N, how much upward force do...

A: Given, Gravity pulls down toward the center of earth with a force of 500N.  

Q: car with mass of 950 kg is traveling along a flat road at 35 m/s. To pass another the car speeds up ...

A: Given Mass m= 950 kg Initial velocity u = 35 m/s Final velocity v = 42 m/s 

Q: 5. What is the total electric field at point P due to both charges Q, =+ 10.0 µC and Q, =- 10.0 µC p...

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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: Name the missing force Student tension B normal c) mass friction bo F.

A: to name the missing force.

Q: A point charge of + 2.0 × 10^(-8) C is placed a distance of 2.0 mm from a point charge of -4.0 x 10^...

A: Please note : As per answering guidlines I can answer the 1st question only. Since, this is not a mu...

Q: Suppose that Ả = 2i + j, B = i - 4j + k, and Ĉ = j+k. What is the direction of vector A? A A. 26.6 E...

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Q: A copper wire had a resistance of 15 Ω at a temperature of 14℃. After a current had passed through ...

A: Write the expression for the final resistance. Here, Ro represents the initial resistance, α repres...

Q: A mercury barometer located in a room at 25◦C has a height of 750 mm. What is theatmospheric pressur...

A: Given in question -  Temprature(T) = 25°c                                     Hight (H) = 750 mm = 0...

Q: A trough is 4 m long, 5 m wide, and 2 m deep. The vertical cross-section of the trough parallel to a...

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Q: Three resistors R1 = 88.5 N, R2 = 21.1 N, R3 = 70.0 N, and two batteries E, = 40.0 v, and E, = 364 V...

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Q: ... Horizontal Field As compared to the horizontal component of the velocity at point Y, the horizon...

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Q: explain how did they get the 102 degree.

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Q: In the circuit below, the currents through the four resistors are as indicated. Use the junction rul...

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Q: Determine the magnitude of the electrical force of attraction between two balloons with separate cha...

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Q: When a 360-nF air capacitor is connected to a power supply, the energy stored in the capacitor is 15...

A: Write the expression for the energy stored in the capacitor.

Q: A 10-kg block is connected to a 40-kg block as shown in the figure. The surface on that the blocks s...

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Q: 450 3. Given the position-time graph below, what is the average velocity between P2 and P47 P3 P4 40...

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Q: A car travels 105 m with constant deceleration of 2.4 m/s? in 3 seconds. What is the initial velocit...

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Q: A coil has a DC resistance of 70 N and an impedance of 220 N at a frequency of 1 kHz. Neglect the wi...

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Q: Suppose that À = 2i + j, B = i– 4j +k, and Ĉ = j+k. What is À· (B x Ĉ), A) A. -2 В) в. -2 k (с) с. -...

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Q: A light ray passes through substances 1, 2, and 3, as shown. The indices of refraction for these thr...

A: Given :A light ray passes through 1,2 and 3 medium.  θ1$θ2 are angle of incidence and final refracti...

Q: The ball at A is kicked with a speed of (24 +0.01) m/s at an angle 0 = (25 +0.1)°. Detemine the posi...

A: equation of projectile is y=xtanθ-12gx2u2cos2θ equation for ground is y=-0.04x2

Q: 1. Two small plastic spheres are given positive electrical charges. When they 15.0 cm are apart, the...

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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: A toroid having a rectangular cross section (a= by b = 3.00 cm) and inner radius R= 4.00 cm of N= 50...

A: We have givena=2.00 cmb=3.00 cmN=500 turnsI=Imax sinωtImax=50 AFrequency f=60 HzN'=20 turns

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

A: we know frictional force f =μN  where μ= coefficient of friction  N = weight of block given μ=0.30 f...

Q: Sarah Robredo has a pingpong ball. She fastened it to a rope and is swung in a vertical circle. What...

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Q: A car travelling at 100 km/h strikes an unfortunate bug and splatters it. The force of impact is gre...

A: Your answer is option (c) same for the both

Q: stone is thrown at 16 m/s with an angle of 40° above the horizontal from the roof top of the buildin...

A: Given: The intial velocity of the object is 16 m/s. The angle of the projection is 40o.  

Q: The dielectric to be used in a parallel-plate capacitor has a dielectric constant of 3.50 and a diel...

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Q: Express the vector field in terms of its cylindrical components and variables D = yax

A: We need to convert given vector into cylindrical coordinates for which we need to use conversion mat...

Q: À = 2i + j, B =i- 4j + k, Ĉ = j+k. and What is the magnitude of the vector 2Ã - B + Č, A) 9.24 B) 4....

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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: 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: Find the electric field acting on a 2.0 C charge if an electrostatic force of 10 500 N acts on the p...

A: Given: Charge q=2 C, Electrostatic force F=10500 N. Required: Electric field E. The electrostatic fo...

Q: Light is incident at an angle of 52 degrees on the surface of a diamond. The index of refraction of ...

A: Given data :- angle of incidence i = 52° refractive index n = 2.42

Q: During a bout with the flu an 9-80-kg man ran a fever of 39.0° C instead of the normal body temperat...

A: Heat required to raise this temperature is given by m c ∆T  Where c is specific heat of water  As , ...

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: An equation predict the relation between x and y as y = kx + b Find the value b of the best fitted l...

A: Given data for x and y

Q: 5. If the magnetic vector potential in a region is given as A = K[x(x²+y°)+y(z+r)+2ry], where K is s...

A: According to question we need to find magnetic field?

Q: Two point charges (A and B) are separated from each other by a distance of 6.68 m. What is the (a) ...

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Q: In the figure, wheel A of radius ra = 13.3 cm is coupled by belt B to wheel Cof radius rc=20.4 cm. T...

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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: Question 3 of 9 A space traveller weighs herself on Earth at a location where the acceleration due ...

A: Given : g = 9.83 m/s2 W = 503 N g' = 13.1 m/s2

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.