1. An object (8 kg) was given a kick at the bottom of an incline (20°) and it started with a velocity of 6 m/s. The coefficient of kinetic friction between the object and the surface is 0.2. (a) Draw following 4 FBDs that show the forces acting on the object as the object slows on the ramp. (i) Actual FBD (ii) FBD with components (iii) y-FBD (iv) x-FBD (b) What is the magnitude of the normal force? (c) What is the magnitude of the frictional force experienced by the object?

Q: A galaxy at redshift z has an infrared luminosity of LIR. What is the approximate star formation…

A:

Q: 2. An object of mass 200 g (0.2 kg) is thrown vertically upwards with a velocity of 8 m/s from a…

A:

Q: the effect of scratching  the plastic bottle surface with different objects

A: The Effect of scratching the plastic bottle surface with different Objects:Scratching the surface…

Q: To forward bias a silicon diode with -1.6 V on the anode, you must apply a voltage of on the…

A:

Q: A mobile is constructed of light rods, light strings, and beach souvenirs as shown in the figure…

A:

Q: (a) 1.0 kg of water with initial temperature Twin = 10 °C is mixed with 5.0 kg of ice with initial…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Compute and compare the electrostatic and gravita- tional forces in the classical hydrogen atom,…

A: Inside the nucleus of hydrogen atom we have a proton and outside the nucleus we have a electron…

Q: stereo speaker is placed between two observers who are 38 m apart, along the line connecting them.…

A: The distance between two observer is 38 m.The recoded intensity by first observer is 55 dB.The…

Q: 5. Find the tensions in the ropes. (Show your work). 91 N and 155 N 105 N and 53 N 180 N and 91 N…

A:

Q: Four charges located at the four corners of a rectangle as shown in the figure. The net…

A: Given The net electrostatic force on both q1 and q3 is zero.This question contains multiple parts so…

Q: Give typed full explanation not a single word hand written otherwise leave it  Convert -5° Celsius…

A: Given Temperature in celcius TC= -5°C In the Celsius scale, the freezing point of water is 0°C.In…

Q: A massless spring of constant k = 88.2 N/m is fixed on the left side of a level track. A block of…

A: The spring constant is, k=88.2 N/m.The mass of block is, m=0.50 kg.The coefficient of kinetic…

Q: AN Air-TRACK glidee of MASS m Attached to A spring, oscillates About equilibrium As shown in the…

A: From the above diagram.The mass of the object is 1 kg.The spring constant is 3 N/m.The amplitude of…

Q: What is the force on an 30 kg object that accelerate with 2.5 m/s^2?

A:

Q: B As shown in the figure, an object is placed between a system of two horizontal parallel mirrors A…

A:

Q: In the figure a potential difference of V = 106 V is applied across a capacitor arrangement with…

A:

Q: Three people talk simultaneously. If the intensity level is 84 dB when each speaks alone, what is…

A: The number of the people is 3.The sound level of the each person is 84 dB.

Q: Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 7.59…

A:

Q: A uniformly charged solid cylinder with radius R = 10 cm and height h = 20 cm has a volume electric…

A:

Q: inertia to 5 kg m² when she tucks herself in during the dive. Her rotation rate is 6 rad/s after she…

A:

Q: For a car traveling at speed Vo, it is possible to bank a curve at just the right angle β so that…

A: Let the mass of car be m, The normal force acting on the car is NThe speed of the car is V0The…

Q: A mountaineer of 56.3 kg climbs to a height of 1250 m and the next day climbs to a height of 1335 m.…

A: The mass of the mountaineer is 56.3 kg.The initial height ( first day) is 1250 m.The final height…

Q: 11. An explosion breaks a 27.0-kg object initially at rest into three parts. Part (1) has a mass m₁…

A: Initial mass M = 27.0 kg m1 = 5.20 kg , v1 = 59.0 m/s towards east.m2 = 5.20 kg , v2 = 78.0 m/s…

Q: Two masses, m₁ = 5.00 kg and m2 = 8.00 kg are separated by a distance of 8.00 cm. 4.2 x 10-7 N 5.3 x…

A:

Q: A wire with cross-sectional area "A", length "l" and conductivity "σ" is subjected to a potential…

A:

Q: At a concert the sound intensity level is 80 dB when you are 100m from the speaker.  How far away…

A: Initial sound intensity level Initial distance Final sound intensity level

Q: In the figure seven charged particles are fixed in place to form a square with an edge length of 9.2…

A:

Q: The height attained by a weight attached to a spring is s(t)=-4 cos 10t inches after t seconds.…

A: Height attained by a weight attached to a spring is s(t) = -4cos(10t)

Q: 4. A satellite orbits the earth at 34.5 km above the surface of the planet. It was put there by the…

A: The distance of the satellite from the surface of the Earth, The radius of the Earth, The mass of…

Q: 27. How fast should an object be travelling relative to an experimenter in order to have a measured…

A:

Q: a. A particle is undergoing a uniform rectilinear motion and the displacement as a function of time…

A: Displacement as a function of time is given by r(t)= 6t4 - 2t3 - 12t2 + 3t + 3 where r is in…

Q: In the resistor network below, all resistors have the same resistance. What is the replacement…

A:

Q: A 25 kg box is being pushed forward with a 85 N force. If the coefficient of friction of the box to…

A: Mass of object is Applied force is Coefficient of friction is Note:Find:Acceleration of object.

Q: In the following picture two pistons are shown with different radii. If the smaller radius were 3.80…

A:

Q: Suppose a bag of nails is attached to a supporting rod by a rope. Note that the bag hangs motionless…

A: Force of gravity, F = 25 NMass, m = 2.55 kgTension, T = ?

Q: For a conservative force F(x) as a function of the position, its potential energy V(x) is defined…

A:

Q: A 0.700 kg hammer is moving horizontally at 4.00 m/s when it strikes a nail and comes to rest after…

A:

Q: A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0…

A:

Q: An unpolarized light has maximum magnetic field value of 0.830 nanoTesla. a) What is the maximum…

A: The relation between peak value of electric field E0 and magbetuc field B0 of a radiation isE0/B0=c…

Q: What is the band theory in solid-state physics and how does it explain the electrical conductivity…

A: In an isolated atom, electrons reside in specific, well-defined energy levels. But when atoms are…

Q: Find the magnitude and direction of the following concurrent forces A= (10.0i + 9.0j), B = (-15.0i -…

A:

Q: A constant force F = (8i + 6j ) N acts on a particle as it moves along a straight line path. If the…

A:

Q: 4. A ship flies at 0.82c and is observed by ground-based radar to be 65 m in length. What is the…

A: We know Formula from length contraction :

Q: ee-legged structure is shown below. It is attached to the ground at points B = (3.72 , 0, 0)  and C…

A:

Q: A rod of mass 5 kg has a length of 3 m. The rod is fixed at its center but is still free to rotate…

A: mass of rod = M = 5 kglength = l = 3mmass of putty = m = 1.4 kgspeed = V = 6.7 m/sinitial speed of…

Q: A light spring with force constant 3.80 N/m is compressed by 7.44 cm as it is held between a…

A: Givenspring with force constant k=3.80 N/mx= 7.44 cm = 0.0744 mMass of Heavy Block m1= 0.518 kgMass…

Q: A motorcycle accelerates uniformly from rest and reaches a linear speed of 22.4 m/s in a time of…

A: The initial speed of the motorcycle is 0 m/s.The final speed of the motorcycle is 22.4 m/s.The time…

Q: The mass of a planet X is 4.23x1024 kg and its radius is 7.24x106 m. Find the acceleration of…

A: The mass of the planet is 4.23x1024 kg.The radius of the planet is 7.24x106 m.

Q: In a 25 storey building, the elevator starting from rest at first floor is accelerated at 0.8m/sec2…

A: The acceleration(a) is 0.8 m/sec2.The time (t1) is 5 sec.The time t2 is 10 sec.The time t3 is 3…

Q: A laser emission from a certain laser has an output power of 10 milli watts. If the wavelength of…

A: Given data:The power output from the laser is The wavelength of the emission is The planck's…

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: