a) The law of motion of a small body of mass m, in free fall on an inclined plane is y = 0.5t (m/s). What is the acceleration a of the body?

Q: Three blocks are connected with massless strings as shown below and pulled by a force F=30 N to the…

A: Masses are given as,  and The net force on given system of masses is The given masses are connected…

Q: onsider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

A: Write the given values with the suitable variables. a=1.21 m/s2m=102.9 kg Here, a is the…

Q: A 6000 - kg spaceship ( initially at rest ) leaves the Earth's surface traveling upward and reaches…

A: Given: The mass of the object is 6000 kg. The initial speed of the rocket is 0 m/s. The distance…

Q: The velocity of a 1.7 kg block sliding down a frictionless inclined plane is found to be 1.15 m/s.…

A: Given The mass of the block is m=1.7 kg. The final velocity of the block is vf=4.45 m/s. The…

Q: A space traveller weighs herself on Earth at a location where the acceleration due to gravity is…

A: The weight of a person is given by the expression W=mgm is the mass of the substanceg is the…

Q: A hammer of mass m = 0.465 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a…

A: The hammer will be in contact with nail until it drives the nail to a distance of 1.15 cm. After…

Q: A box of mass 50 kg is at rest on a horizontal frictionless surface. A constant horizontal force F…

A: Given parameters are, Box of mass,   m = 50kg Distance travel, s = 28m Time taken,       t =6.9 sec…

Q: Two masses are suspended by a massless rope over a massless and frictionless pulley, as shown in the…

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Q: The figure below shows two blocks connected to each other by a light cord that passes over a pulley…

A: Given: m1=4.4 kgm2=12 kg The surface is frictionless. The free-body diagram is given below.

Q: A 10kg object falls and experiences a drag force which is proportional to the square of the veloc-…

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Q: A car of mass 972 kg is traveling 22.9 m/s when the driver applies the brakes, which lock the…

A: (a) Use the kinematic equation to solve for the acceleration of the car when it comes to the rest…

Q: Two blocks of mass m1= 2 kg and m2 = 3 kg are connected by a rope that goes over a frictionless…

A: a)Draw the free-body diagram of block of mass m1.

Q: When a 0.058 kg baseball is hit by a bat, it accelerates to a speed of 45 m/s coming from rest. The…

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Q: A hammer of mass m = 0.455 kg is moving horizontally at a velocity of v = 6.5 m/s when it strikes a…

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Q: Three crates with various contents are pulled by a force Fpull = 3677 N across a horizontal,…

A: Fpull = 3677 N acceleration (a) = 1.43 ms2F12 = 1397 NF23 = 2351 N

Q: The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A: In this case, the charges have the same sign. So the force would be repulsive.   The expression for…

Q: The nucleus of Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A: Given: The separation between two alpha particle is 3.16x10-15 m. The mass of the alpha particle is…

Q: Your friend is on rollerblades holding a pendulum. You gently push her forward and let go. You…

A: The net force act on the bob is depends on the tension due to the string and the force of gravity.…

Q: An application to mecanics A particule x(t) of mass 1kg is moving along an horizontal straight line…

A: The equation of motion is mdvdt=Ft=g We solve this with the help of initial conditions.

Q: A 60 kg block slides along the top of a 100 kg block. The lighter block has an acceleration of 3.7…

A: Equilibrium condition in the horizontal direction for mass m1

Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 45.3 m/s Time interval (Δt) = 6.11…

Q: Body A in the figure weighs 96.0 N, and body B weighs 16.0 N. The coefficients of friction between A…

A: a) Draw the free-body diagram of the system.

Q: A 5.0 kg box sits in the back of a pickup truck. The box remains stationary (relative to the truck)…

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Q: A group of Chinese soldiers launches a small 8.00-kg rocket from artillery at an angle of 17 degrees…

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Q: A 72 kg person is parachuting and experiencing a downward acceleration of 2.2 m/s2. The mass of the…

A: Given: Mass of the person=M=72 kg The mass of the parachute=m=4.8 kg The free-body diagram for the…

Q: Consider the three boxes m₂=8.1 kg, m=10.6 kg and m=4.42 kg which are connected by massless cords…

A: Given, ma=8.1 kgmb=10.6 kgmc=4.42 kgIn this question, all three objects are connected by tight…

Q: A flea jumps by exerting a force of 1.02 x 10 5N straight down on the ground. A breeze blowing on…

A: Data Given , Force straight down on the ground ( F1 ) = 1.02 × 10-5 N Force parallel to the ground (…

Q: An elevator of mass M moves upwards with constant acceleration a = 0.1g, pulled by a cable. What is…

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Q: A bullet of mass 0.02 kg is fired from a rifle. The bullet takes 0.02s to move through the barrel…

A: Initial velocity of the bullet = 0 ms-1 Final velocity of the bullet = 200 ms-1 Time to travel =…

Q: Body A in the figure weighs 96 N, and body B weighs 16 N. The coefficients of friction between A and…

A: Given:  ωA=96N,  ωB=16N    μS=0.59, μk=0.25,  θ=28°

Q: A rocket sled weighing 700 kg is moving horizontally in a straight line. It is accelerated at a…

A: Given data:  Mass (m) = 700 kg Initial velocity (V0) = 0 m/s Final velocity (V) = 1800 km/hr Time…

Q: A large rocket has a mass of 1.91 ✕ 106 kg at takeoff, and its engines produce a thrust of 3.43 ✕…

A: a)The required initial acceleration is,

Q: Block A rests on a frictionless table. It is attached to Block B through a massless string over a…

A:

Q: 2 cubes, mass 1 = 4.0 kg and mass 2 = 6.0 kg are held together with a piece of string and pulled…

A: m= 4kg , M= 6kg  a= 3.5m/s2

Q: identified a type of fundamental particle called a muon, which effectively behaves like a very heavy…

A: Given:- The mass of the muon m = 1.88 × 10-28 kg The initial speed of the muon is v0 = 3.50 × 105…

Q: A 66-kg man stands on a bathroom scale inside an elevator. The scale measures in units of newtons.…

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Q: At t = 0, an object of mass m is at rest at x = 0 on a horizontal, frictionless surface. A…

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Q: Alex is asked to move two boxes of books in contact with each other and resting on a frictionless…

A: a)as per newton's second law of motionFnet=maFp=mA+mBaa=FpmA+mB =9.3 12.1+7 =0.487 m/s2

Q: m2 30° Two masses, mi = 1 kg and m2 = 2 kg, are held together by a weightless cord and passes over a…

A: Given : m1= 1 kg m2 = 2 kg Angle of inclination = 30o

Q: The system, which was initially at rest moves with acceleration a after it is released. Find the…

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Q: A person of mass M = 60 kg lifts an object of mass m = 10 kg upward with acceleration a. If the…

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Q: object is acted on by two forces, 10i + 3j and  (with magnitudes in newtons). The object has an…

A: Force is given as F = 10i +3j    Approch ist find the magnitude of force  Then apply newtons 2nd…