The direction of an electric field is the direction of the force on a positive test charge. O True False

Q: Calculate the electric flux traversing a rectangle with a surface area of 67 m², a uniform electric ...

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Q: For the experimental value = 18, what is the implied relative uncertainty?

A: In this question we have to find the value of implied relative uncertainty. Please give positive fee...

Q: Soccer players often fool around in practice with something called the "crossbar challenge" which is...

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Q: Angular frequency vs angular velocity? Now consider a pendulum oscillating with SHM. How does its an...

A: Given : Angular frequency vs angular velocity Now considera pendulum oscillating with SHM. How does ...

Q: R R R a ww R b R ww R

A: Given: R=180 Ω

Q: If you have 0.276 m of water at 25.0 °C in an insulated container and add 0.112 m³ of water at 95.0 ...

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Q: Suppose you begin sliding down a 15° ski slope. Ignoring friction and air resistance, how fast will ...

A: Here, we calculate the given as follow;

Q: A ship being launched slides down the ways with a constant acceleration. It takes 20 secs to slide t...

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Q: + + + (a) (b) Assume that the batteries in the circuits are all 1.5-V batteries and the bulbs all ha...

A: Each battery has potential = 1.5 v Each bulb has resistance = 1Ω

Q: What is the energy stored in the 18.5 µF capacitor of a heart defibrillator charged to 7250 V? store...

A: Given data:  Capacitance (C) = 18.5 μF = 18.5×10-6 F Voltage (V) = 7250 V Required: Energy and charg...

Q: .. A 0.15 kg baseball is thrown to a batter with a velocity of 40 m/s. If the bat applies 300 N of f...

A: Given value--- mass = 0.15 kg. initial velocity = 40 m/s. Force = 300 N. Time = 0.05 sec. We have ...

Q: 2. The figure represents the concurrent force system acting at a joint of a bridge truss. Determine ...

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Q: Hall probe calibrated to read 1.00 µV when placed in a 1.84 T field is placed in a 0.135 T field. Wh...

A: Given  Voltage ,V1 = 1.00 uV  Magnetic field,B1 = 1.84 T  Magnetic field,B2 = 0.135 T  Output voltag...

Q: A stone at the end of a sling is whirled in a vertical circle of radius 1.10 m at a constant speed v...

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Q: negatively-charged particle with a magnitude of 13.42 nC is accelerating in a 127.32-N/C uniform ele...

A: Given  Charge ,q = -13.42 nC  Electric field,E = 127.32 N/C  Potential,V1 = 25 V  Potential V2, = 15...

Q: A block weighing 400 N is pulled along a level from at a constant speed by a rope which makes 40° wi...

A: Given information: The wight of the block (w) = 400 N The tension in the rope (T) = 220 N The angle ...

Q: 4.22 Place a penny on a closed hardcover textbook. If you slowly raise the cOver of the textbook, yo...

A: Let mass be 'm'  Coefficient of static friction = us  Fw= weight  Ff= friction  Fn = Normal Reaction...

Q: A wheel starts from rest and rotates with constant angular acceleration to an angular speed of 12. 0...

A: Angular velocity ω = 12.0 rad/sec Time                    t = 3 sec

Q: n the figure below, the blue wire has a current I = 77 A. The red loop is a square wit ng and it has...

A: We know that we have given the the blue wire has a current I1 = 77 A, the red squar loop with the si...

Q: A potentiometer is an instrument for measuring an unknown voltage in comparison to a standard voltag...

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Q: 48. A force is applied to a spring causing it to stretch. If the applied force is halved, the potent...

A: For question 48 Ff =F2 For question 49 initial leth (equilibrium) = 0.5m Stretch length  =  0.5m For...

Q: John,  whose mass is 80 kg, is in an elevator descending at a constant 10 m/s . The elevator then st...

A: M= 80kg  Descending with constant velocity 10m/s  T= 3sec to Stop after braking 

Q: A projectile is fired with an initial velocity of 60m/s upward at an angle of 30degrees to the horiz...

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Q: A Ford passes a Toyota on the road (both vehicles are traveling in the same direction). The Ford mov...

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Q: Question: A source charge Q produces both an electric field and electric potential. Locatic away fro...

A: We know tha the formula of the electric field is given as  E = kQr2 ------------ eq 1  here k is the...

Q: a 600 gram banana sliding north on a frictionless table at 2.5 meters per second bounces of a 400 gr...

A: Mass of banana =600gm Initial speed of banana = 2.5m/s Mass of kiwi = 400gm Initial speed of kiwi =0...

Q: Tank B is inside Tank A. Given the information below, find Patm- Please don't write the unit. Only n...

A: Given :Tank B is inside tank A Pgauge A  = 50 units Pgauge B = 50 units Pabs B = 250 units   

Q: Question 2 What are the 3 elementary particles inside an atom?

A: Three elementary particle inside an atom is electrons , protons and neutrons . (i) Electron - it car...

Q: 1. Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 µC at x = 0 and q2 = -8.0...

A: Given,  q1 = +5.0 microcoulomb at x= 0 q2 = - 8.0 microcoulomb at x= 50 cm   

Q: (iii) Find the pressure amplitude (density of tissue =1075 kg/m³) of the ultrasound waves and with t...

A: We need to calculate the pressure amplitude of the longitudinal waves and also show via graph the di...

Q: 3. Calculate the electric field intensity midway between two point charges, one of +500 statC, the o...

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Q: An electric water heater consumes 5.63 kW for 2.85 h per day. What is the cost (in dollars per year)...

A: Given: The heater consumption of electricity is 5.63 kW for 2.85 h per day. The cost of electricity ...

Q: A bird flies 320 m south in 45s. What is the bird's speec O 0.14 m/s south O 7.1 m/s 0.14 m/s O 7.1 ...

A: Given: The distance traveled by the bird is 320 m in the south. The time interval is 45 s.

Q: THERMO DYNAMICS Ex: WHY is C= du SupposED TO BE WRITTEN AS:

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Q: (ii) A concave spherical mirror is placed on the right-hand side of a lens. The focal length of the ...

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Q: Determine the equivalent capacitance for the group of capacitors in the drawing. Let all capacitors ...

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Q: A car accelerates from rest at a stop light to a speed of 20m/s with an acceleration of 2.500m/s2. I...

A: Answer: Given data, Car accelerates from rest, i.e. initial velocity (u)=0 m/s Final speed for the f...

Q: SHOW the drawing and use 3 decimal in final answer   A bicyclist is moving 6m/s when he is passed ...

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Q: cylinder with a diameter of 5.64 cm has a movable piston attached to a spring as shown in Figure P.4...

A: Given Diameter of cylinder d = 5.64 cm = 5.64 × 10-2 m Initial volume V1  = 1.32 L Initial pressure ...

Q: If the frequency of an electromagnetic wave is reduced to one third, what happens to the wavelength?...

A: Given   Of F1 is the initial frequency of the electromagnetic wave,  And F2 is the final frequency  ...

Q: If a star’s parallax is 35 arcseconds,  what is the distance to the star?

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Q: Where r is the radius of the sphere and pi = 3.14. If you measure the radius of a bowling ball to be...

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Q: 4. Nadia walks 4.0 km in one direction and 2.0 km in another direction. However, she ends up only th...

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Q: An uncharged capacitor of 0.018 F is charged first by a current 2.2 mA for 10 sec and then by a curr...

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Q: An automobile moves on a circular track of radius 1.02 km. It starts from rest from the point (x, y ...

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Q: One charge of 2C is 1.5meters away from a -3C charge. Determine the force exerted on each other.

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Q: Suppose you apply a flame to 1 L of water for a certain time and its temperature rises by 2C°. If yo...

A: Let s be the specific heat of the water . Then change in temperature of water by absorbing heat Q is...

Q: A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t ac...

A: The bulb voltage V = 120 V   The current I = 0.860 A   And      sin333rad/sect    compare  with     ...

Q: When 3000N boat is moving at 3m/s, the motor conks out. How much farther will the boat glide, assumi...

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Q: 1. What is the value for the horizontal acceleration vector (direction and magnitude)? 2. What is th...

A: Value for the horizontal acceleration vector : There is no horizontal acceleration in case of projec...