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Q: 2 Consider an electrical circuit. The voltage V (volts), current I (amperes), and resistance R (ohms...

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Q: Three forces shown in the figure are required to cause a horizontal resultant acting through point A...

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Q: How much work is required to life a 6.0-kg backpack 1.5m to put it on?

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Q: A child is swinging a 0.300-kg ball on a string. She is swinging it in a circle with an angular velo...

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Q: Kageyama tossed the ball with mass of 745g almost vertically. What would be the force applied by the...

A: Mass of ball, m = 745 g Acceleration due to gravity, g = 9.8 m/s² Force applied by the ball to Kagey...

Q: A horizontal pipe TH in diameter, toperv graduolly to 9 in. in đia meter. If the flow is 500 cu ft o...

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Q: A person standing at the North Pole has no acceleration due to the Earth’s rotation. This means that...

A: Given, F = 180 lb =801 N Thus, the mass: m=Fg=8019.8=81.73 kg

Q: 10. Rohith has been jogging to the bus stop for 2.0 m this 10.0 s? 10 cm/y to 0.5 cm/y over

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Q: The current passing through the galvanometer IG equal v A The value of standard resistance Rs equal ...

A: There is diagram of balanced wheatstone bridge (condition Rx= Rs(L1/L2) ) Rx is color code resistanc...

Q: 3.) Mr. Alfie walks from the faculty to his science class. He travels 8 m east then 8 m west back to...

A: Given: The displacement of the object is 8 m east, and 8 m west. The displacement diagram of the obj...

Q: A car traveling at a constant speed on a level road rolls up an incline until it stops. Assuming no ...

A: Since there is no frictional losses, so mechanical energy will be conserved.

Q: A solid sphere of plastic with radius R has a uniform charge density pree. Assume the plastie is a l...

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Q: The force polygon representing a set of forces in equilibrium is

A: The force polygon representing a set of forces in equilibrium is a closed polygon.

Q: During the time that the acceleration of a particle is zero, its velocity vs. time graph is a horizo...

A: A. True Reason if the acceleration of the particle is zero it means velocity is not changing it time...

Q: Which one of the following is NOT a fundamental quantity? O a. Energy O b. Electric current OC. Lumi...

A: the question is that what is fundamental quantity?

Q: Replace the loading system by an equivalent resultant force and couple moment acting at point A. 900...

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Q: The astronaut with mass 68 Kg went to Planet X. If his weight on planet X is 985N, what is the accel...

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Q: Suppose that one capacitor is charged to a fixed voltage with no dielectric. The battery is eliminat...

A: Concept of capacitor:-  

Q: Find phonon density of states D(w) in 1D and 2D . Can phonon DOS be expressed as a function of energ...

A: The density of states is the number of states that a system can occupy in a given interval of Energy...

Q: A top fuel dragster with a mass of 600.0 kg starts from rest and completes a quarter mile (402 m) ra...

A: Given data- A top fuel dragster with a mass m=600.0 kg initial velocity Vi=0 m/s (rest) final veloci...

Q: A bullet is fired from a gun. The bullet travels a distance L = 160 ± 0.5 m during a time interval t...

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Q: A 5.0- "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a di...

A: Given data: Mass (m) = 5.0 kg Height above the counter (h) = 0.45 m Required: Work done (W)

Q: Will be made a container for the material in the shape of a square with a side of 120 cm. For this, ...

A: The volume of a square box is equal to the cube of the square box's side length.

Q: What is its kinetic energy at the low point? (You must provide an answer before moving to the next p...

A: Given data:  Mass (m) = 0.15 kg Velocity (v) = 9 m/s Required: Kinetic energy (KE)

Q: One long wire lies along an x axis and carries a current of 62 A in the positive x direction. A seco...

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Q: Problem 7: A block of mass m = 59 kg slides along a horizontal surface. The coefficient of friction ...

A: In the given problem we have to find the frictional force acting on the box. First we will draw the ...

Q: In accordance with the figure where 4 point charges are located at the square's corner with a side o...

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Q: A tool box was placed on an inclined surface has begun descending the 300 slope. Assuming the coeffi...

A: Given data- coefficient of kinetic friction =0.10 and angle=30 degree free body diagram-Let mass of ...

Q: Indicate the number of significant figures in the following: ______a. 25 desks ______d. 100 kites

A: Significant figures is defined as the number of digits which are meaningful in a quantity.

Q: A car was about to hit a cat and the driver suddenly hit the brakes, leaving a skid mark 50m long on...

A: Given : Length of skid mark, s = 50 m Initial velocity = Velocity with which the car was moving = u ...

Q: he minimum wavelength of electromagnetic radiation that is capable of removing electrons from the s...

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Q: 3a) Batman is running away from Gotham police. He is running at 8.4 m/s on top of an 746 m building....

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Q: Please answer the question with steps … How much heat must be absorbed by ice of mass 378 gram to me...

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Q: 4.0 kg block rests at the edge of a platform that is 20 m above level ground.  The block is launched...

A: Given Initial vertical displacement is y0=20 m Final vertical displacement is y=0 Initial vertical v...

Q: A 20 lb B

A: Given, Force F=20lb Length of rod l=9in Angle α=25°

Q: a slit width of 0.040 mm and a slit separation of 0.50 mm,what is the number n1 of bright two‑slit i...

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Q: The system is released from rest with no slack in the cable and with the spring stretched 150 mm. De...

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Q: 4) A freight train left Vancouver at 1:00pm and traveled 100 km east. The train arrived at destinati...

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Q: use the formula to estimate the BSA of a person who is 160cm tall and weigh 83kg

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Q: The woolen clothes keep us warm during winter because: Wool traps heat and cold Wool is available in...

A: Woolen clothes are bad conductor of heat and thus they give us warm during winter .

Q: During an experiment to verify Ohm's law, the current and resistance of a circuit are measured. [Res...

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Q: An interference pattern from a double‑slit experiment displays 11 bright and dark fringes per centim...

A: Given data as per question The wavelength of light incident on the slits = 550 nm

Q: Problem 9: A car has a mass of 1010 kg and is moving in a straight line at a speed of 56.1 km/h.

A: Given that - mass of the car Initial velocity of the car Final velocity of the car Distance covered...

Q: A rider on horseback moves according to the velocity vs. time graph shown. Find the displacement of ...

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Q: I Review | Constants wo tugboats pull a disabled supertanker. Each tug kerts a constant force of 1.9...

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Q: (a) State Newton's three laws of motion. (b) A block with weight, W is pushed by a horizontal force ...

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Q: A red car and a green car are moving toward each other. Figure below is a graph of their motion, sho...

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Q: If the dot product of two vectors are equal to zero, then what do we know about the two vectors? O a...

A: Given data: Dot product of two vectors equals to zero Required: Angle between vectors

Q: To determine the height of a bridge above the water, a student drops a coin and measures the time it...

A: Given, Initial velocity: vi=0 m/s Time is taken to hit the water surface: t=2.3 sec  

Q: A bullet is fired from a gun. The bullet travels a distance L = 225 ± 0.5 m during a time interval t...

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