How much force is needed to accelerate a 10.0kg sled along a frictionless surface at 1.5 m/s2?

Q: A pump is capable of developing 4.00 kW of power. How many liters of water per minute can be lifted…

A: Given Power of pump = P = 4.00 kW Distance of water lifted = h = 35.0 m 1 L = 1 kg We have to…

Q: Why is the tungsten used exclusively for filament of electric lamps?

A:

Q: A light rigid rod of length = 1.00 m in length rotates about an axis perpendicular to its length and…

A:

Q: A 66.7 kN car is traveling at 64.3 mph when the driver decides to exit the freeway by going up a…

A: GIVEN-           Weight of the car = W = 66.7 kN           Initial speed of the car = V1 = 64.3 mph…

Q: 8. Two forces of 40N and 80N act at an angle of 120° to each other. Find the magnitude and direction…

A: Given data, Forces, F1=40 NF2=80 N The angle between them, θ=120°

Q: donkey is urged to pull a wagon. The donkey refuses, citing Newton's third law as a defence: the…

A: Donkey was right in the prospect that it pulls with the same force exactly equal with what the wagon…

Q: 2876 kg elephant from Asia (Elephas maximus) pushes against a coconut tree (Cocos nucifera), which…

A: Here elephant is the agent which exerts external force.  There is no conservative as well as non…

Q: (A)= (B) (C) (D) (E)

A: Given,

Q: (instantaneous) velocity at t = a is the rate of change of fat a. A ball is thrown straight up with…

A:

Q: Early test flights for the space shuttle used a "glider" (mass of 980 kg including pilot). After a…

A: GIVEN-           MASS (M) = 980 kg           Vi = 600 km/h = 600×10003600 m/s  = 166.67 m/s…

Q: Hopefully, you discovered a pattern with the observed velocity changes: in a collision, the object…

A: Collision of two body..

Q: 5. A truck is moving on the road on a circular path with a radius of curvature of 60 m. The road has…

A:

Q: Two objects with masses, 15 kg and 20 kg, are attracted by each other with a gravitational force of…

A: Given masses of objects  m1 =15 kg.  m2=20 kg gravitations force between them F=1.39*10-8N

Q: An Australasian gannet (Morus serrator) can dive from a height of 20 metres into the sea to catch a…

A:

Q: HINT (a) the hoop's translational kinetic energy (in J) J

A: GivenMass of hoop, m=2 kgvelocity og hoop, v=3.5 m/sRadius of hoop, r=0.31 m

Q: The rectangular current loop in the figure carries a current of 10 A, and is in a uniform magnetic…

A: Torque(j) on a current(I) carrying coil placed in an external magnetic field(B) .  j= I(A×B) =…

Q: A 2.500 m chain is stretched to a tension of 210.0 N. A wave is sent along the chain at 290.0 m/s.…

A: Length of chain = 2.5 m Tension in wire = 210N Velocity of wave = 290m/s

Q: What is the torque by the fire extinguisher about the center of the seesaw, in N-m? Use g = 10 m/s².…

A: Given data as per the question Mass of fire extinguisher =5 kg weight on other side =10 kg

Q: block of mass m is attached to the end of a spring (spring stiffness constant k) The mass is given…

A:

Q: The velocity of a wave depends on the medium through which it is travelling. In a SLE123 assignment,…

A:

Q: Question 8 options:   If an object is heated it will emit higher energy photons than it did when it…

A: When an object is heated the peak which emits maximum energy density will move towards low…

Q: The period of a mass-spring oscillator is 2.28 s. Every time the oscillator completes a full period,…

A: given-            time period of mass spring oscillator = 2.28 s

Q: Railroad tracks follow a circular curve of radius 500.0 m and are banked at an angle of 5.0°.…

A: Given value--- radius of circular track = 500 m. mass = 3000 kg angle = 6 degree. We have to…

Q: A burst water pipe in the city means you have to drive at a steady 12 km/h. Once past this obstacle,…

A: Final speed of the car is 92 Km/H

Q: A student holds a spinning bicycle wheel while sitting motionless on a stool that is free to rotate…

A: Given Data: The angular speed of the wheel ω1=18.6 rads Moment of inertia of wheel I1=0.13 kg.m2…

Q: In the following diagram, block B weighs 711 N. The coefficient of static friction between the block…

A: Given value--- Weight of block B = 711 N. coefficient of static friction = 0.35 . angle = 30…

Q: A hydropower station has a gross head of 14.4 meter Head loss in water conductor system is 0.98…

A: Given:-  The gross head is Hgross  = 14.4 m The head loss in the water conductor system hloss = 0.98…

Q: q31 A sound wave radiates from a speaker in all directions. If the power of the sound source is 400…

A:

Q: Find the initial velocity vector vo of a projectile released with initial speed 125 m/s that reaches…

A: Given initial velocity = u = 125 m/s Maximum height = Hmax = 375 We have to calculate initial…

Q: {Slide down}. A box is placed on top of a 10.0[m] ramp with coefficient of kinetic friction k =…

A:

Q: Along string is wrapped around a 62-cm-diameter cylinder, initaly at rest that is wee to rotate on…

A: Given value--- diameter = 6.2 cm. acceleration = 2 m/s2.  unwound length = 1 m. We have to find---…

Q: An object must be at least 0.08 solar masses to be a star. Using a ratio, compare the lifetime of…

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Q: A monochromatic beam of light has a wavelength of 403 nm. It is diffracted through a set of double…

A:

Q: A motorbike skidded along a road for 40 m. Assuming that the motorbike skidded to a stop with a…

A:

Q: A myopic person has a near point of 28.0 cm and a far point of 43.0 cm. When correcting the distant…

A: For near sightness person, the near point remains same.

Q: An falcon accelerates at 2 m/s^2 from rest for 140 metres. How fast is it going after 140 m? Express…

A:

Q: 12. Express in cartesian components: (a) the vector G'extending from the origin to the mid- point of…

A:

Q: A runner,  is travelling at 7.18 m/s. Turning into the final straight, they accelerate at a constant…

A:

Q: If it requires 7.0 J of work to stretch a particular spring by 2.0 cm from its equilibrium length,…

A: Write the expression for the work. W=12kx2W∝x2 Here, k is the force constant and x is the…

Q: . A shell is fired with a horizontal velocity in the positive x direction at a speed of 330 m/s from…

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Q: Problem 21.77 Part A Calculate the voltage at the other end. Express your answer using two…

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Q: A C-130 cargo drops a package of food supplies to refugees on the ground. It travels at a speed if…

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Q: An wolf accelerates at 4 m/s^2 from rest for 60 metres. How fast is it going after 60 m? Express the…

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Q: a.Members of the froghopper family of insects (family Cercopoidea) can accelerate from rest to 0.84…

A: You have posted two unrelated question and as per Bartleby Guidelines I am allowed to answer the…

Q: Two point charges are on the y axis. A 5.10-µC charge is located at y = 1.25 cm, and a -2.26-μC…

A:

Q: If a cannonball were launched horizontally (launch angle of 0) with a speed of 34m/s from a height…

A: Given value--- cannonball were launched horizontally (launch angle of 0) with a speed of 34m/s from…

Q: Jake is riding in a hot air balloon that descends with a constant vertical velocity of 4.00 m/s. He…

A:

Q: If the quantum number n is doubled, by what factor does the electron velocity in a Bohr orbital…

A: the principle quantum number, n

Q: For Gauss's law, the net flux through a closed surface depends on (i) the radius of the gaussian…

A:

Q: An object is 12.0 cm from a converging lens (focal length = 15.0 cm). Determine the image…

A:

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: