A 145-Newton horizontal force is exerted upon a 4-kg box to move it across a level surface at a constraint velocity of 1.8 m/s. The force of friction encountered by the box is ___ Newton

Q: A string of mass m = 103 g is 3.2 m long. One end of it is attached to a wall, and the other end…

A: The mass of the string: M=103 g=0.103 kg The length of the string: L=3.2 m The hanging mass: m=6.6…

Q: A gas is confined in a steel tank; at 20.20the gas exerts a pressure of 8.532 atm. After heating the…

A: Write the expression for the ideal gas equation. PV=nRTPT=nRVPT=constant

Q: Trein trokke word aanmekaar gekoppel deur teen mekaar gestamp te word. Gestel twee gelaaide trein…

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Q: A 148-Newton horizontal force is exerted upon a 3-kg box to move it across a level surface at a…

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Q: A mertial has an index of refraction of 1.60. What is its critical angle if it is in air? O 78.3° O…

A: Index of refraction = 1.6

Q: In a double-slit interference experiment, the greatest separation between adjacent bright frindges…

A: Given Data: Double slit interference experiment. To Determine: The wavelength at which the greatest…

Q: 1. (a) How much heat transfer is necessary to raise the temperature of a 0.26 -kg piece of ice from…

A: Mass of ice (m) = 0.26 kg Initial temeprature = - 20oC Final temperature = 130oC

Q: Fill in the blanks where necessary. Then calculate the power consumed by the circuit. (HINT: All…

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Q: Question 20 Convert 104 mm into cm

A: 1 mm=10-3m104 mm=104×10-3mAgain 1 m =102cm104mm=104×10-3×102 cm104mm=10.4 cm

Q: Using a power air gun, a steel ball is shot vertically upward with a velocity of 82 yard per second…

A: As per our company guidelines we are supposed to answer only first 3-sub part. Kindly repost other…

Q: A heavy rainstorm dumps 1.0 cm of rain on a city 4 km wide and 7 km long in a 2-h period.How many…

A: A heavy rainstorm dumps have dimensions 1.0 cm of rain on a city 4 km wide and 7 km long.  1…

Q: Find the x-component of this vector: 55.1 m 2023 International Academy of Science. All Rights…

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Q: Q7. Two large oppositely charged parallel plates are separated by a small distance as shown. Which…

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Q: Determine the applied force required to accelerate a 3.87-kg object rightward with a constant…

A: Given data The mass is m= 3.877 kg The acceleration is a= 1.52 m/s2 The friction is f=21.3 N The…

Q: A point charge of +1.0 μC is held fixed at the origin. A second charge of -1.0 μC and mass 4.6…

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Q: tennis ball is struck at the base line of the court, 11.8 m from the net. The ball is given an…

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Q: A certain gas condenses into a liquid at approximately 25 K. At what temperature, in degrees…

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Q: A net force of magnitude F=10 N acts on an object having a mass m-5 kg. The magnitude of the…

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Q: A particle of mass m is projected vertically upwards with velocity vo from the surface of the Earth…

A: The initial upwards velocity: v0 The force due to gravity: F⇀1=-GmMa+z2k^ The force of friction:…

Q: rock is thrown at a 30 degree angle above the horizontal from the edge of a cliff. It hits the water…

A: Angle = 30 degrees Total  time = t = 0.8 sec

Q: 3) A coil with cross-sectional area 1.50cm² has exposed to an electric field of 1500 N/C and also…

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Q: A 5.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.300 m by a large…

A: Mass of train is m=5×105 kg Initial speed is u=0.500 m/s Compression in spring is x=0.300 m Note: 1…

Q: Q23. The frequency of the given wave on the right is 20 Hz. What is the speed of the wave? A. 100…

A: Frequency of the wave, f=20 Hz From the graph, the wavelength of the wave, λ=4 cm=4×10-2 m Our…

Q: A bride tosses a bouquet of flower through the air with a speed of 2.7 m/s, and it smacks one of her…

A: speed of the bouquet(v)=2.7m/s mass of the bouquet(m)=0.55kg

Q: or part C, why is d in "M2 = fd" equal to 42sin(a)?

A: when d is changed to 42 cm then the other side of perpendicular distance will also change that can…

Q: how far from the lens the object is and b) the focal length of the lens. Should a diverging or…

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Q: Light reflects off the surface of Lake Superior. What phase shift does it undergo? O 270° O 0° O…

A: Given that light reflects off the surface of lake Superior. It means light is travelling from air to…

Q: (a) Calculate the angular velocity of the merry-go-round as a function of time. (b) What is the…

A: Angular Velocity:- The change in the angular position of the particle with time is called angular…

Q: 4.0 g of a gas occupies 22.4 Lat NTP. The specific heat capacity of the gas at constant volume is…

A: Solution:- Given data in the question

Q: 1. Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat…

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Q: On a frictionless horizontal surface, a block is pushed up against a 121,680 N/m spring and…

A: K= 121,680 N/m Compression of spring = 0.12 m Speed of the block after being released = 15.6 m/s…

Q: A single slit experiment forms a diffraction pattern with the fourth minima  θ=1.1∘ when the…

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Q: What is the length, in meters, of a simple pendulum if it has a frequency of 4.97 Hz? Assume that…

A: Frequency of simple pendulum (f)= 4.97 Hz Acceleration due to gravity(g)=14.29 m/s^2

Q: = 9.16 Att = 0 a grinding wheel has an angular velocity of 27.0 rad/s. It has a constant angular…

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Q: What is the minimum thickness of a soap bubble film with refractive index 1.50 that results in a…

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Q: Two objects gravitationally attract with a force of 1,391 N.  If the mass of one of the two objects…

A: The formula used to calculate gravitational force is given by F = G * (m1 * m2) / r2, where F…

Q: Why is the sky blue? Our eyes are not very sensitive to violet light. O The molecules and atoms in…

A: The basic process in the scattering of light is the absorption of light by the molecules by its…

Q: Consider the circuit below. The capacitor has a capacitance of 11 mF and starts out uncharged. The…

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Q: If the applied load is 49 kN, determine the new diameter of the specimen.

A: Given:-  G = 28 Gpa diameter of specimen = 12.5mm Gauge length = 50 mm Given diagram:-…

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A: Given data: Mass of the bucket (m): 3.62 kg Constant speed of lifting (v): 2 m/s Displacement (h):…

Q: The series circuit at the right depicts two resistors connected to a voltage source. The voltage…

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Q: Three deer. A, B, and C, are grazing in a field. Deer B is located 61.1 m from deer A at an angle of…

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Q: the shot put, a heavy lead weight—the "shot"—is given an initial velocity, starting from an initial…

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Q: What wavelength ( in nanometers ) is the peak intensity of the light coming from a star whose…

A: Surface temperature is T = 4987 K

Q: What is the length, in meters, of a simple pendulum, on Earth, if it has a frequency of 0.72 Hz?

A: Frequency of pendulum = 0.72 Hz

Q: Answer the below given both questions; (a) What is the total charge [sign and magnitude)] (in C) of…

A: m=9.1×10−31kg

Q: Two objects with different masses slide down a frictionless slope from the same starting height.…

A: Mass of the two bodies = m = same Co efficent of kinetic friction is also same

Q: Part C Some hydrogen gas is enclosed within a chamber being held at 200° C with a volume of 0.0250…

A: Initial volume, v = 0.0250 m³ Initial pressure, p = 1.50×106 Pa Final volume, P = 0.950×106 Pa Final…

Q: A mass of 6.33 kg is placed on a vertical spring. What is the spring constant, in N/m, of a…

A: Mass is m=6.33 kg Time period of spring-mass system is T=0.6 s Note: 1 N=1 kg·m/s2 Find: Spring…

Q: Find B at a distance R from a long straight wire Y R dB ds = dx î 0 →dxk I X

A: Page 1

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.