How much force is required to accelerate a 2000 kg bus at 2 m/s^2 if the friction is negigible

Q: On an old-fashioned rotating piano stool, a student sits holding a pair of dumbbells at a distance…

A: The initial moment of inertia of the system was Ii=(5+2×5×0.602) kg.m2=8.6 kg.m2 The initial angular…

Q: 1. A drag car starts from rest and starts down the racetradck with an acceleration defined by a = 50…

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Q: Only the rotational equilibrium applies in an object modelled as a single particle with concurrent…

A: Only the rotational equilibrium applies in an object modelled as a single particle with concurrent…

Q: A book which has a velocity of 3.61 m/s in the horizontal direction slides off the edge of a table…

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Q: 5. A projectile is fired with a muzzle velocity of 300 m/s from a gun aimed upward at an angle of…

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Q: Blood flows through an artery whose radius is constricted by a factor of 3.5. The average flow…

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Q: Two bodies move on a rough surface mk = 0.28 inclined at an angle of 31, if the suspended mass is…

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Q: A 4-N force is applied to a 2-kg object that is moving at 3 m/s. This force is parallel to the…

A: 7) Given:-  The object has a mass of m = 2 kg  The velocity of the object is v = 3 m/s  The force…

Q: Final Quiz in EMAGS 1.) Eight point charges oF inc cach are located at the corners OF a aube on…

A: Charge=1nc

Q: Two particles are fixed to an x axis: particle 1 of charge q1 = 2.37 x 108 C at x = 19.0 cm and…

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Q: A straight horizontal copper rod carries a current of 35.0 A from west to east in a region between…

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Q: Consider two vectors A= 6.75 i+(-3.53 k) and B= (-4.1j)+1.08 k. Find the angle between these two…

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Q: What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR =…

A: What is the current phase angle for a parallel RLC circuit when IL = 15.3 A, IC = 0.43 A, and IR =…

Q: 2. The length and width of a room were found to be 12.50 ± 0.01 m and 9.63 ± 0.0.1 m. Find the…

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Q: While attempting to forge a sword in Skyrim, you obtain an iron ore sample of unknown mass to work…

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Q: A baseball mass 145.00 g approaches a bat horizontally at a speed of 34.70 m/s and is hit straight…

A: Given  Mass of baseball m = 145.00 g Initial velocity of ball v1 = 34.70 m/s Final velocity of ball…

Q: Find the speed of sound in air at an altitude of 15.000 ft * Your answer

A: Sound waves are longitudinal waves. The particles oscillate in direction along propagation of wave.…

Q: What is the true power consumed in a 30 V series RLC circuit if Z = 20 ohms and R = 10 ohms?

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Q: An astronaut on the Moon measures the period for a 1.00m long pendulum and obtains a value of 4.95s.…

A: astronaut on the Moon measures the period for a 1.00m long pendulum and obtains a value of 4.95s.…

Q: A battery provides emf (voltage), ε = 12 volts. it has an internal resistance Rinternal = .4, so you…

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Q: A sphere rolls down a 20 deg incline starting from rest to a height of 50m. how fast will it be…

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Q: A horizontal shove of at least 200.0 N is required to start moving a 800.0-N crate initially at rest…

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Q: A circular loop carrying a current of 1.25 A is oriented in a magnetic field of 0.22 T . The loop…

A: Given, Current in the circular loop, I = 1.25 A magnetic field in the region, B = 0.22 T area…

Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

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Q: A meter has a square law scale .for 2A current the deflection in 90°. for of a deflection of 45 °,…

A: Write the given values with the suitable variables. I1=2 Aθ1=90°θ2=45° Here, I1, θ1, and θ2 are the…

Q: Suppose that a simple pendulum consists of a small 79 g bob at the end of a cord of negligible mass.…

A: Given data: Mass m = 79 g Angular displacement, θ=0.041cos5.9t+ϕ

Q: block A, with a mass of 10 kg, rests on a 30° incline. The coefficient of kinetic friction is 0.20.…

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Q: Determine the direction of the induced current for each case shown below. Draw the arrow along the…

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Q: 1. What magnification will be produced by a lens of power -3.9 D (such as might be used to correct…

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Q: Calculate its total power radiated at this temperature 300K. C. 459.3W/m2 A. 10.3W/m2 B. 321.7W/m2…

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Q: A racing van has a uniform acceleration of 15 m/s2. What distance will it cover in 8 seconds after…

A: Given data :         Initial velocity    =   u          Acceleration     =   a          Time    =…

Q: ОВJЕСT О IMAGE I 3. Vhat type of mirror is this? А. parabolic В. convex С. plane D. concave

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Q: Based on the data in Table 1. prove that the value of e is very close to the well-established value…

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Q: From a starting point, you started walking 3 kms west then 4kms north. What is your displacement?

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Q: Which light ray will be bent more—one moving from diamond (n = 2.42) to water (n = 1.33) or a ray…

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Q: A flat sheet is in the shape of a rectangle with sides of lengths 0.400 m and 0.600 m. The sheet is…

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Q: Find the kinetic energy of a ball Of 140 g mass, moving at a velocity Of 30 cm/s ?

A: Given data :                  Velocity   =   v                   Mass      =   m        To find :…

Q: a) What effect does increasing the mass on the end of a string have on the period of a pendulum?…

A: Consider m is the mass, k is the spring constant, and l is the length of the simple pendulum.

Q: ladder of length L = 2.4 m and mass m = 14 kg rests on a floor with coefficient of static friction…

A: For equilibrium net force as well as net torque must be zero and horizontal as well as vertical…

Q: Mass of a body is 8 kg, What is it's weight ?

A: Given data :     Acceleration due to gravity    =   g            Mass  of the body    =    m…

Q: A 300-g stone is thrown with an initial velocity of 7.50 m/s. Calculate for the change in potential…

A: Maximum height h=v2/2g =(7.50)^2/(2×9.81)=2.866 m. So potential energy =mgh. =300×10^-3×9.81×2.866…

Q: A certain brand of hotdog cooker works by applying a potential difference of 143 V across opposite…

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Q: Find The Resistance At 20 Degrees Celsius Of A Tungsten Lighbulb Filament Of Length 4.0 Cm And…

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Q: In the figure R1 = 1500, R2 = R3 = 49.0 0, R4 = 89.5 0, and the ideal battery has emf ɛ = 6.00 V.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: force of 100 N is directed north on a -20 µC point charge. What is the magnitude and direction of…

A: Given Force F = 100 N Charge q = -20 μ C  = -20 × 10-6 C

Q: 5. Which of the following equation is for Compton effect. С. A. В. D. E. AX-> -h mall-cose)c.af- h…

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Q: Activity 3 of 4 If the mass of the satellite was increased, how would the gravitational attraction…

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Q: 1. A circuit provides a maximum current of 20.0 A at an opening voltage of 2.00 x10 ² V. a) How many…

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Q: A postal employee drives a delivery truck over the route shown in Fig. E1.25. Use the method of…

A: Given data: A road track is given for the motion of truck.

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: