A crate of mass 10.0 kg is pulled up a rough 20°- incline. The pulling force is 100 N parallel to the incline. The coefficient of kinetic friction is 0.4 and the crate is pulled 5.0 m

Q: 14. A hiker wearing a backpack stands on a hill at an altitude of 50 m, which would decrease the…

A: Gravitational PE = Mass x Height x g If hiker moves up the hill, H increases so gravitational PE…

Q: An amount of molten silver at its melting point (962 °C) is added to 1.00 kg of water at 20.0 °C.…

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Q: Physics: Unit: Momentum and collisions Dynamic cart 1 has a mass of 0.84 kg and is initially moving…

A: Given: Dynamic cart 1 has a mass of 0.84 kg The speed of the cart 1 is 4.2 m/s The mass of cart 2 is…

Q: Find the momentum

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

Q: Which of the following is an example of a recoil collision? 1) Two soccer players run into each…

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Q: A 10,450 kg freight car is rolling along a track at 3.0 m/s. Calculate the time needed for a force…

A: force is the product of mass and acceleration of an object F = ma  a = F/m  a = 1120/10450  a =…

Q: A 710-kg car encounters a hump that has a circular shape with smooth transitions at either end. (a)…

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Q: An electron is moving with a speed of 3.5 × 105 m/s when it encounters a magnetic field of 0.60 T.…

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Q: Waves and Sound Physics  Recently a company built a factory near your home. One windy day while…

A: The frequency of an air column open at one end (the top of the chimney) and closed at the other end…

Q: In the experiment on specific heat capacity, how to determine the initial temperature of the solid…

A: In this question we have to determine the initial temperature of the solid specimen. Please give…

Q: how it become 187? what the process

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Q: Solve for total circuit resistance A) 140 Ohms B) 90 Ohms 75 Ohms D) 65 ohms 10V M R₁=200 m R₁-2002…

A: Given Circuit diagram: From circuit diagram we can see that the resistance R2 and R3 are connected…

Q: The upper end of a 4.59-meter-long steel wire fastened to the ceiling, and a 79.0-kg object is…

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Q: Find area Pressure=22 N/m2 Force=2 N

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Q: 5. Calculate the work being done on 2000 N crate, being lifted 2 meters off the ground by a crane.…

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Q: NEED IT ASAP! One end of a horizontal hope is attached to a prong of an electrically driven tuning…

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Q: 7.7 An engineer is considering the development of a small wind turbine (D = 1.25 m) for home…

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Q: Two different samples have the same mass and temperature. Equal quantities of energy are absorbed as…

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Q: Find Density of object of mass 20 kg which accupies space of 0.8 m³

A: Given data :                Volume    =    V                 Mass     =    m           To find :…

Q: ou are tasked to separate an unknown substance that contains particles that can only be separated at…

A: A desktop centrifuge is a small centrifuge that is used in labs and clinics. Its speed ranges…

Q: An object 3.4 mm tall is placed 25 cm from the vertex of a convex spherical mirror. The radius of…

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Q: Three identical resistors are connected in series. When a certain potential difference is applied…

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Q: 24v K R₁ = 120 R₂ 2402

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Q: An object 4.5cm high is placed 50cm in front of a convex mirror with a radius of curvature of 20cm.…

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Q: The magnitude of the orbital angular momentum in an excited state of hydrogen is 2.58 × 10-34 J.s…

A: Given that- Magnitude of orbital angular momentum in exicitated state=2.58*10-34J-sec Z…

Q: A 1200 kg car can accelerate from 30.0 m/s to 50.0 m/s in 10.0 s. Neglecting friction and air…

A: Given: The mass of the car is 1200 kg. The initial speed of the car is 30 m/s. The final speed of…

Q: An equi convex lens has powwer P It is cut into 2 symmetrical halves by a plane containing the…

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Q: 2. The pipe shown carries water, and it is given that A₁ = 2.0A₂. The fluid heights in the vertical…

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Q: A charge of 1420 C was passed through a wire in 7 minutes. Calculate the average electric current…

A: Given data:  Charge (Q) = 1420 C Time (t) = 7 minutes Required: The current (I)

Q: Which set of apparatus is used for the experiment on Specific Heat Capacity? Steam generator, metal…

A: Calorimeter is the apparatus used to measure the specific heat capacity.

Q: There are four concentric shells A, B,C and D of radii a, 2a, 3a and 4a respectively. Shells B and D…

A: The given situation of the shells and charges are shown below.

Q: cheerleading competition, the 65.0 kg cheerleader is tossed vertically upward with a speed of 3.75…

A: Given:-  The mass m = 65 kg  The initial velocity  u = 3.75 m/s  the 65.0 kg cheerleader is tossed…

Q: WHICH ONE OF FOLLOWING IS A POSSIBLE REASON OF ERROR IN VALUE OF MAGNETIC FIELD STRENGTH. NONE OF…

A: Possible reasons for the error in value of magnetic field strength is low current and number of turn…

Q: Why does an object float in a liquid?, explain what are the forces acting on the object and why it…

A: An object float when placed on the surface of the water  because An object floats in water if its…

Q: In the Soapbox Derby in (Figure 1), young participants build non-motorized cars with very…

A: length of track (d) = 63 ft θ = 15o

Q: An airplane in level flight travels horizontally with a constant eastward acceleration of  8.35…

A: In the question given, Eastward acceleration of the airplane  = ax=8.35m/s2 Northward acceleration…

Q: 5. V (V) I (A) R (0) 100 V 1 2 www R₁ = = 250022 3 -ww .= 500Ω R= 4 R₁₂= = 10.0000 ww 5 34 R3 = . =…

A: Given:-  A circuit is given here as  R1= 2500Ω    R2= 10000 ΩR3= 1000 Ω     R4= 1500 ΩR5 = 500ΩV =…

Q: In three decimal places?

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Q: What is the electric force between two point charges, one with 0.2 C of charge and the other one…

A: The expression for the electric force is given by, Here, k is Coulomb’s law constant, q1 and q2 are…

Q: 1. An ideal diatomic gas at 63 K is slowly expanded adiabatically and reversibly to twice its…

A: Given: The initial temperature is 63 K. The final volume is twice the initial volume.

Q: Write the detailed solution. Please make sure that your handwritten is readable. Thank you. An…

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Q: a proton at a particular distance from a charged particle is attracted with a given force, what…

A: The electrostatic force between the two charge is given by                 F = kq1q2r2 Where k is…

Q: 3. The point masses m and 2m lie along the x-axis, with m at the origin and 2m at x = L. A third…

A: Given mass (m) at origin Mass (2m) at point (L,0) Required position of mass M on x -axis such that…

Q: A tortoise moves a distance of 80 metres in 2 seconds what is the average speed of tortoise in km/h?

A: Given data :                            Total Time Taken    =     t                            Total…

Q: An electric kettle is rated at 1300 W (average power) at 110 V (rms voltage). The rms current is:…

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Q: Ball 1 has a mass of 2.0 kg and is suspended with a 3.0 m rope from a post so that the ball is…

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Q: 2. Calculate the 1₁, 12, and 13 in the circuit show 292 www +24V 3 Ω www +12V* 50 im 4 Ω 10 MA ww

A: Required  values of I1 , I2 and I3

Q: particle charges with three points of ?1 = 3.2 × 10 C, ?2 = 2.5 × 10  C and ?3 = 4.6 × 10C, are…

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Q: 19. Saniya lives in a cold climate. In the winter, her attic gets extremely cold. She has decided to…

A: We know that the winter is the coldest season of the year in polar.

Q: Find area Pressure=22 N/m2 Force=2 N

A: We know thatP=FAHereP=PressureF=ForceA=Area

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.