What is the net force on the object? If the net force is rightward/upward, enter a positive value and if it is leftward/downward, enter a negative value.

Q: A body does 26 Joules of work in 4. seconds. What is it's power?

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Q: When the ball is at the highest point of its flight: A. the vertical acceleration is zero B. the…

A: When the ball is at highest point of its flight the vertical velocity of ball is zero.  Option (C)…

Q: (a) What magnitude of point charge (in UC) creates a 1000 N/C electric field at a distance of 7 m…

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Q: What force is required to accelerate an object having a mass of 6 kg at 9 m/s?

A: Introduction :  In this question we are provided it value of mass and acceleration . With these data…

Q: A silicon wafer is doped with 5x1020 phosphorus atoms/m³. Calculate the hole concentrations after…

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Q: Problem 6: A bowling ball m = 2.2 kg is dropped from a height h. It falls a distance, d, before…

A: in this question we use conservation of energy of system.

Q: A fixed spring (300 N/m) is attached to a horizontal position. If the spring is compressed from its…

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Q: Find momentum Mass-0.11 kg Velocity 0.23 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: 3. A 6.0-kg initially at rest is pulled to the right along a frictionless, horizontal surface by a…

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Q: Find each of the following values Vmax, T, F, Vrms, Vdc if V = 200sin (340t) VA T hin Vmax

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Q: A2 kg mass having a charge of +5 µC and a 1 kg mass with charge-2 uC are separated by 0.5 m as shown…

A: Determine the electrostatic force between the masses.

Q: A spaceship's orbital maneuver requires a speed increase of 1.30 ✕ 103 m/s. If its engine has an…

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Q: Suppose that an infinite wire with line charge density of A lies along the z-axis and passes through…

A: Electric field at distance x from z axis (along x-axis ) due to infinite long wire placed along…

Q: A car starts from rest and reaches a speed of 12 m/s after travelling with uniform acceleration for…

A: Introduction :  In this question we are provided it value of final velocity , initial velocity and…

Q: The following diagram represents a cart (m1) (400 gm) and (m2) equal 60 gm, sliding on frictionless…

A: Newton's Second law of motion Force is directly proportional to the product of mass with the…

Q: How much centripetal force is needed to make a body of 0.8 kg to move in a circle of radius 0-6 m…

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Q: Question 18 of 22 An object is placed 20 cm in front of a convex mirror as shown below. What focal…

A: Write the expression for the magnification and substitute the required values to determine the image…

Q: X-rays with a wavelength of 0.71 A) are scattered by a piece of carbon at a right angle, then…

A: Write the standard variables with their values. Here, h represents the Planck’s constant, c…

Q: A current of 5 A flows through a conductor for 6.8 s. What amount of charge passes through the…

A: Given data:  Current (I) = 5 A Time (t) = 6.8 s Required: Charge (Q)

Q: An electric field is said to be uniform, when it has the same magnitude and direction in a given…

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Q: Calculate the forces in members BE and BD of the loaded truss. The forces are positive if in…

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Q: On what physical concept does optical fibers work?

A: Optical fiber works on concept of  " total          internal reflection of light" .…

Q: How much centripetal force is needed to make a body of 0.8 kg to move in a circle of radius 0-6 m…

A: Introduction :   In this question we are provided it value of mass of the body, radius of the circle…

Q: the following equation refers to V-pendulum experiment T4 = (44 L k/g²)-(8 m4L/g² )d, where : L:…

A: We have an equation that describes the time period (T) of a pendulum with the distance (d) between…

Q: PLEASE DONT WRHITE IN HAND

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Q: Derive the formula for total voltage and impedance for series RL circuit. Find the equation of phase…

A: Given that- series RL circuit To determine that Derive the formula for total voltage and impedance…

Q: An electric heater is rated 2.5 kW. how much energy does it use in 12 hours.

A: Introduction :  In this question we are provided it value of time and power . With these data we…

Q: Potential difference between two points of a wire carrying 38 ampere current is 5 volt. Calculate…

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Q: Calculate the maximum potential

A: Given data;  A ball of mass is thrown vertically upwards with aninitial velocity,v= 20 m/s-1mass,m=…

Q: Find momentum Mass 0.11 kg Velocity=0.23 m/s

A: GivenMass=0.11kgVelocity=0.23m/s

Q: QUESTION 1 The standard unit of momentum and impulse is the N.s O True O False QUESTION 3 Impulse is…

A: Question 1 The stander unit of momentun and impulse is the N.s. its  true . We know impulse  N.s=…

Q: Q6: Find the outward flux generated by the field F=zk across the hemisphere x² + y² + z² = 3, z≥0.…

A: Given data, Field applied = over the hemisphere  X^2 + Y^2 + Z^2 = 3 , Z>0 OUTWARD FLUS CAN BE…

Q: Question 21 of 22 The batteries in the circuit below are ideal with &₁ = 22 V and ₂ = 10 V. The…

A: To solve this problem we apply kirchoff's voltage Law   in circuit we take clockwise sense for flow…

Q: A harp string supports a wave with a wavelength of 4 m and a frequency of 310 Hz. Find its wave…

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Q: Calculate the ambipolar diffusion coefficient of intrinsic Ge at 350 K. p/p-2.1, -3900 cm² V-ls-¹. O…

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Q: The Merlin rocket engines developed by SpaceX can produce 7.12 ✕ 105 N of instantaneous thrust with…

A: Given:-  The  trust force F = 7.12 x 105  N  The exhaust speed is v = 3.05  x 103 m/s  Find:-  What…

Q: The first artificial satellite to orbit the Earth was Sputnik I, launched October 4, 1957. The mass…

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Q: 2. Figure depicts a rider on a water slide. The rider drops from a 32 m high starting point until…

A: initial height = 32 mlet the mass = m

Q: (a) Consider nodal configuration shown below. (a) Derive the finite-difference equations under…

A: In this question we have to find the value of T(m,n). Please give positive feedback if the answer…

Q: How much heat is needed to raise the temperature of 25.6 grams of water from 20.0ºC to 50.0ºC?…

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Q: Total Internal Reflection: A point source of light is positioned 20.0 m below the surface of a lake.…

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Q: A particle of charge -0.8 µC is located at the end of a spring at some equilibrium position (left…

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Q: Ilya and Anya each can run at a speed of 8.60 mph and walk at a speed of 3.70 mph. They set off…

A: in this question  we determine  mine total time for cover whole distance and velocity average.

Q: 3. The velocity of the flow () in a pipe is equal to a. b. d. PE V = 2gx 20 1+200 S 2gx20 1+200/…

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Q: Why is Doppler dark at night?

A: In space at night  the sky appears dark  because the billions of stars  that would radiates light to…

Q: A 0.9 kg ball was thrown horizontally with a speed of 3.7 m/s. The ball hits the bottom of the rigid…

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Q: Ohm's law states that V=IR where V is the voltage in volts (V), I is the current and R is the…

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Q: An 1 kg object moving to the right at 2 m/s collides inelastically with a 1 kg object moving to the…

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Q: A Si sample is doped with 1016 Arsenic atoms/cm³. Find the Displacement of EF relative to Eat T-77…

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Q: A 31.4 gram piece of aluminum (c = 0.215 cal/g°C) is at 70°C. It is placed in a beaker that contains…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!