1. Calculate the force of gravitational attraction between a concrete ball (mı 2.0 x 103 kg) and a steel ball (m2 = 2.0 x 104 kg) whose centers are separated by 4.0 m.

Q: 1. A block of bricks is raised 3.0 m vertically to a bricklayer at the top of a wall using a pulley ...

A: According to Bartleby guidelines, I can only answer the very first question. If you need help with o...

Q: A harmonic oscllator consists of a spring-mass system. The mass is 1.3 kg and the spring constant is...

A: Given that:- K=18 N/mm=1.3 kgω=?T=?   Since, ω=Kmω=181.3ω=3.721 rad/sec   Also, time period (T) is g...

Q: A child is holding a string with a ball tied at the end. The child spins around in a circle causing ...

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Q: The quickest calculated pitched baseball left the pitcher’s hand at a speed of 45.0 m/s. If the pitc...

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Q: A positive particie traveling upwards enters a region of uniform electric field pointing rightward. ...

A: The electric force on a point charge in a uniform electric field is given by, F = qE  Where, F = ele...

Q: In the following diagram a block is placed on an inclined plane. The mass of the block is 10.0 kg ar...

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Q: 5. How would the current divide in a parallel branch of a circuit containing two resistorsD and R, i...

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Q: Take the horizontal plane containing CD as a reference level for gravitational potential cners • gra...

A: given; →h1=?→initial velocity (u1)=0→velocity at B (VB)=1m/s

Q: The mean free path for a certain gas is 2.18×10−7 m. and the radius of an atom of said gas is approx...

A: given: mean free path l = 2.18*10-7 mradius of atom r = 1.11*10-11 m

Q: When the driver applies the brakes of a light truck traveling 10 km/h, it skids 3 m before stopping....

A: GIVEN THAT FOR FIRST CASE , u =10Km/h⇒U=10×518=5018=2.78m/s , AND S=3 m FOR THE SECOND CASE u= 80Km...

Q: Carry out the following arithmetic operations. (Enter your answers to the correct number of signific...

A: We have to find the sum, product (a)  578 is answer (b) 2.4 (c) 56.206  

Q: The kinetic energy of a 4.0 kg object moving at 3.0 m/s is: 1. 12 J 2. 18 J

A: Given ,           mass of object ( m) = 4 kg          velocity (v) =  3 m/s

Q: DIRECTIONS: Solve completely what is given and required by converting the units based on the DENSITY...

A: Density of an object is defined as the mass per unit volume. Density formula: Density=MassVolume

Q: What is the wavelength spectrum of photons being emitted by an object that is 2000 degrees celcius

A: Wien's law: According to the radiation rule, the wavelength of maximum emission of every objects is ...

Q: Base your information and diagram below. and 78 on the 01 / suonsanb An ideal simple pendulum is rel...

A: Answer 77:  Correct option is (3) i e the same .   Explanation:  We Know at position A potential ene...

Q: Two timpani (tunable drums) are played at the same time. One is correctly tuned so that when it is s...

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Q: An electron is moving along x axis with the speed of 2×106 m/s (known with a precision of 0.50%). De...

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Q: The anchoring system shown in Figure is subjected to three forces. Determine: The angle

A: Given  F1 = ( 38 i + 57 j ) ( kN)  F2 = 55 kN  F3 = 42 kN

Q: Two blocks are stacked as shown. The blocks have masses m1 = 5.67 kg and m2 = 2m1. The kinetic coeff...

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Q: 1. In the given acceleration – time graph: DRAW THE VELOCITY – TIME, DISPLACEMENT – TIME GRAPH. TABU...

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Q: An object with a charge of 8 nC moves from a point 6.7 m away to a point 0.52 m away from a point ch...

A: Given: An object with a charge of 8 nC moves from a point 6.7 m away to a point 0.52 m away from a p...

Q: Given data Force=4 N Displacement=1 m Work done

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Q: A ship steams at a constant velocity of 30 km/h. (a) How far does it travel in a day? (b) How long d...

A: "Since, you have asked multiple questions, we can answer only first question according to our guidel...

Q: A CYCLIST STARTING FROM REST SPEEDS UP TO 40 FT PER SEC WITH A CONSTANT ACCELERATION OF 4 FT PER SEC...

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Q: A spring stretches 0.350 m when a 0.750 kg mass is hung from it. The spring is then stretched an add...

A: Given that           The mass hung from the spring (m) = 0.750Kg           it is stretches (xo) = 0....

Q: A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes ...

A: a) Draw the free-body diagram of the cart.

Q: Assuming that the field of view is flat, what is the resultant vector (yellow line) of an observer p...

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Q: It was Tyler’s birthday party, and he had a piñata filled with candies in it. The piñata’s mass is 3...

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Q: 5. Consider a second toroidal solenoid with inner radius 134 mm and an outer radius of 188.76 mm car...

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Q: Consider the capacitor network. 21.9 µF 44.2 V 1.77 µF 1.4 µF 8.78 µF What is the equivalent capacit...

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Q: The semiconductor InN has a bandgap of 2.40 eV. What wavelength of light would be emitted from an LE...

A: Given, the bandgap of the semiconductor: Eg = 2.40 eV.   To find the wavelength of the light that wo...

Q: 1.34 Given that a certain slab of silicon material exhib- its the charge-density distribution of Fig...

A: We have to label the Electric Field E(x) as well as the Electric Potential

Q: If the resultant force acting on the bracket is to be directed along the positive x-axis, determine ...

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Q: Calculate capacitance (C). Use the formula, C = d Is it same as the given value of capacitance in si...

A: Given data :- Here in the given figure, we have following information required for the calculation o...

Q: Monochromatic light is incident on the plane interface AB between two media of refractive indices u,...

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Q: An automobile tire is rated to last for 35,000 miles. Estimate the number of revolutions the tire wi...

A: We know that the Estimated  average, the diameter of an automoblie tire is 2 feet  Now We know the r...

Q: ACTIVITY 11 1. Two cars, A and B have speed of 25 kph and 40 kph in constant speed respectively. If ...

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Q: A person drinks a glass of 250 cm3 every morning milk after 15 days, how much mass of milk will he h...

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Q: Explain in short description 1. Resistivity, 2. Conductivity, and 3. Electrical Conductivity.

A: Electrical conductivity and conductivity are the same thing; they both describe a material's ability...

Q: Select ALL statements below which are true regarding work and energy. Thermal energy is the energy a...

A: We know the thermal energy is associated with the microscopic motion of the particle. The more energ...

Q: resistors are combined in a circuit along with a battery and an ammeter. The values of the resistors...

A: Equivalent resistance in series  R = R1 + R2 + R3   Equivalent resistance in parallel  1/R = 1/R1 + ...

Q: 1. Raf rides a boat for a fishing trip at 6 kilometer south. After half hour of waiting, no fishes w...

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Q: A ball is kicked at 31.5 m/s at an angle of 65° with the ground. a) When the ball has gone 42m horiz...

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Q: 9- At what speed must a ball be thrown upwards to reach a maximum height of 25m?

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Q: 8. A boat always points directly at the opposite shore while crossing a river. The time it will take...

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Q: In a television picture tube, electrons strike the screen after being accelerated from rest through ...

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Q: When a ball is thrown straight up into the air, the velocity of the ball is zero at the moment it re...

A: Given A ball is thrown vertically upward.

Q: A solid body of a certain material has a mass of 700 g and a volume of 2.587 cubic centimeters. Calc...

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Q: The two charges in the figure below are separated by d = 2.50 cm. (Let q = -17.5 nC and q2 = 28.0 nC...

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Q: A water jet consumes 3650W for 126 hours a week What is the energy consumed (kWh) for a one-year pe...

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: