The number of significant digits in (10.210 ) is: O a. 3 O b.4 c. 5 O d.6 O e.7

Q: a dentist raises his patients chair by applying a force of 176.44 N to a hydraulic piston of radius ...

A: according to hydraulic piston condition pressure at both end is same  pressure applied by doctor at ...

Q: If an object starting at rest free falls for 15 seconds, what is the distance it fell? a. 10 m b. ...

A: Given  Object start at rest, U = 0 m/s  Time taken ,T = 15 sec  Distance ,D =??  For free fall, A = ...

Q: Using the component method determine the resultant(magnitude and direction) of the following: B = 20...

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Q: 1. In an experiment to study the photoelectric effect, a scientist measures the kinetic energy of ej...

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Q: Q4- If the mass of cylinder A is 30 kg, determine the mass of cylinder C in order to hold the assemb...

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Q: 38.9 A current flows in a long, straight wire. Find the strength of the resulting magnetic field at ...

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Q: Initially, an object in uniform circular motion (assume clockwise motion) has a velocity m vector gi...

A: The acceleration by any object in uniform circular motion is define by a=v2r Here, a is acceleration...

Q: Three charges, q1 = 19.08 nC, q2 = -15.85 nC, and q3 = -16.73 nC, are placed on three corners of a s...

A: Given that:- Side of square=73.20cm

Q: A ball has an initial velocity of 120 m/s at an angle of 30 degrees horizontally. This means that th...

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Q: Consider the circuit as shown in the diagram. Using the current directions set in the diagram, what ...

A: We have a loop of voltages V1=24 V and V2=10 V with three resistors R1=8 ohm, R2=6 ohm and R3= 4 ohm...

Q: interference

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Q: the human hair is combed using a rubber comb. What charge acquired by the hair and by the comb? in 5...

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Q: If a flea can jump straight up to a height of 0.440m, what is its initial speed as it leaves the gro...

A: Given data:  A projectile motion Maximum height (h) = 0.440 m Required: Initial speed (v0) 

Q: What happens to the spring constant of springs when arranged in parallel series combination, compare...

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Q: An electric field due to a positive charge is represented by the diagram below. Five points A, B, C,...

A: The electric potential energy of a charge at a distance due to another charge is given by UE = kq1q2...

Q: Two parallel wires are separated by a distance of 0.05 m. Wire 1 carries a current of 12 A. Wire 2 c...

A: Given that:- Distance between two wire=d=0.05m

Q: Henry has two carts. Cart A and cart B, of masses m and 2m which is in motion with velocities 2v and...

A: Given: mA=mmB=2mvA=2vvB=v

Q: 1. A gun shoots a bullet with a velocity of 500 m/s. The gun is aimed horizontally and fired from a ...

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Q: 1. A box sits at rest on a rough 40° incline plane. It begins to slide up the plane when the 70.0 N-...

A: Given data: The angle of inclination of the incline is θ =40°. The weight of the box, W=60 N. The f...

Q: Four small spheres shown in the figure below have charges of q1 = -3.00 nC, q2 = 2.40 nC, q3 = 5.30 ...

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Q: 3. Point charges qı=-8nC and q2=11nC are 9.0m apart. Compute the electric field caused by q1 and q2 ...

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Q: Jig's car has a mass of 1000 kg and is out of gas. He is trying to push a car to a gas station and h...

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Q: Determine the total capacitance of the circuit. * 20 nF 40 nF

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Q: If you drop a ball from a bridge that is 35 m high, how long in seconds will it take for it to hit t...

A: Given data :- height h = 35 m and taking g = 9.8 m/s and initial velocity u = 0 m/s

Q: Constant Part A At a rock concert, a dB meter registered 128 dB when placed 2.2 m in front of a loud...

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Q: A drum rotates around its central axis at an angular velocity of 12.8 rad/s. If the drum then slows ...

A: Given(s): Initial angular velocity, ω0=12.8 rad/s Finally, it comes to rest, therefore, ωf=0. Angul...

Q: If the radius of the path of a body in uniform circular motion is doubled and the speed is kept the ...

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Q: 16. A solenoid of length 0-20 m, having 120 turns carries a current of 2-5 A. Find the magnetic fiel...

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Q: Problem 6: A force is specified in each part of this problem. Identify the force that is equal in ma...

A: Given  Calculate the force that is equal in magnitude, but opposite in direction. 

Q: Consider a resistor network connected to a 32.0-V battery as shown. The battery has negligible inter...

A: Answer:-  Given  Potential or emf(E) = 32.0 V  Equivalent Resistance (Req) = 6.40 ohm  Resistance (R...

Q: A 4-kg ball has a momentum of 12kg*m/s. What is the ball's speed?

A: Given data:  Mass (m) = 4 kg Momentum (P) = 12 kg.m/s Required: The ball's speed (v) 

Q: Two parallel wires are separated by a distance of 0.05 m. Wire 1 carries a current of 12 A. Wire 2 c...

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Q: A sanding disk with rotational inertia 2.1x 10-3 kg-m² is attached to an electric drill whose motor ...

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Q: In the world of Abyss, Alucard's eyes is 1.81 m asl can see the top of Miya's turret which is a cert...

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Q: •A bieyelist makes a trip that consists of three parts, cach in the same direction (due north) along...

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Q: A glass lens, Nglass 1.52, haš à 123 nm thíck antireflective film coating one side, nilm Wh air, is ...

A: Givennglass=1.52Thickness of antireflective film coating ,d=123 nmnfilm=1.21

Q: The force needed in accelerating a 3 kg mass at 5 m/s? and a 4 kg mass at 4 m/s?, will be: (A) Zero ...

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Q: 1. A 32.0-2 resi and a 20.0-Q are connected in parallel, and the combination is applied across a 240...

A: Ques: Given: R1=32.0ΩR2=20.0Ωconnected parallelV=240 V

Q: A wire is held horizontally in a vacuum chamber, and carries a current of 2.20 µA. A proton is trave...

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Q: 16. A solenoid of length 0-20 m, having 120 turns carries a current of 2-5 A. Find the magnetic fiel...

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Q: The system in the figure is in equilibrium. A concrete block of mass 156 kg hangs from the end of th...

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Q: Consider a thin, spherical shell of radius 12.0 cm with a surface charge density of 0.150 mC/m2 dist...

A: Radius of the spherical shell R=12 cm and surface charge density of the shell σ=0.15 mC/m2. We need ...

Q: 16. A solenoid of length 0-20 m, having 120 turns carries a current of 2-5 A. Find the magnetic fiel...

A: Given: L = length of solenoid = 0.20 m N = number of turns in solenoid = 120 turns I = current throu...

Q: A model rocket with a mass of 500 grams is launched straight up. It achieves a speed of 20.0 m/s in ...

A: First we need to find the acceleration needed to achieve the speed. The acceleration of the rocket i...

Q: Calculate the magnitude of the deceleration of a snow boarder going up a 7.91° , slope assuming the ...

A: Given value--- angle = 7.91 degree . We have to find--- deceleration?

Q: When i tried to compute Pi(0.002117)/4 in my calculator the answer is different from the answer you ...

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Q: A capacitor of 3.23µF has an area of 6.35mm^2. Determine the separation distance between the two pla...

A: C=3.23μF=3.23*10-6 FA=6.35 mm2 = 6.35*10-6 m2C'=5.63 mF=5.63*10-3 FE=8.99*104 N/C

Q: If you drive at a constant velocity of 30 m/s for 1.5 hrs, what will be your displacement in meters?

A: Write the given values with the suitable variables. v=30 m/st=1.5 hrs=90×60 s=5400 s Here, v and t a...

Q: Find the magnitude (in µT) and direction of the net magnetic field at a point halfway between the wi...

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Q: How large is the charge if the electric flux is 4 Nm²/C if the area is 5 m² and the force acting on ...

A: The electric flux is given by ϕ = qεo, where q = the charge of the particle εo = dielectric permitti...