A lady pulls a cart with a force of 1800 N. Neglecting friction, if the cart changes from resting to a speed of 1.25 m/s in a distance of 0.2 m, what is the total mass of the cart? Show detailed solution. a. 715 kg                  c. 480 kg b. 460 kg                 d. 220 kg

Q: A book of mass m What is the speed O mg O 2gh O mgh O Square root of (=

A: Using the kinematics, the final velocity of the book can be given by v2=u2+2ah

Q: Steven Seagal, a 7th degree black belter jn Aikido in real life, is shown in his films to move out…

A: From Newton's second law of motion we know that force = rate of change of momentum .

Q: 357 kg car is moving at 35–. The driver then accelerates at 3.5 for 18.3s s2 a. How fast is the car…

A: given   m=1857 kg      initial velocity u=35 m/s      acceleration a= 3.5 m/s2     t=18.3 s v = u…

Q: A 4.0-kg object is moving with speed 2.0 m/s. A 1.0-kg object is moving with speed 4.0 m/s. Both are…

A:

Q: 1. A 700 N load is suspended 1.2 m from one end of a 3.0 m pole. if the pole is lifted by 2 boys,…

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

Q: Eric is driving his scooter to soccer practice. his speed is 35 mph. splat! A mouth smashes against…

A: Newtons Third Law: As per Newton's third law for every action, there is an equal and opposite…

Q: An actor whose mass is 75 kg jumps from the platform. Determine the speed of the actor as it hits…

A: Given that: height, h=5 mg=9.8 m/s2mass, m=75 kgv=?

Q: A pulley device is used to hurl projectiles from a ramp (mk = 0.26) as illustrated in the diagram.…

A:

Q: A 12-kg hammer strikes a nail at a velocity of 9 m/s and comes to rest in a time interval of 8.0 ms.…

A: Given that:Mass of hammer, m=12 kgStrike velocity, v=9 m/sTime interval, ∆t=8.0 ms

Q: A boy who is, 73 kg, is training on Dagobah. He runs up a  incline for 10 m with an average velocity…

A: Power dissipation is same for both the journey and power is work done per unit time.  Use this as…

Q: A 200 kg car at 1.52m /s2 and pulls a mass of 40kg, using a rope that passes through a pulley. What…

A: Given data:  Mass of car(M) = 200 kg Acceleration (a) = 1.52 m/s2 Car Pulls a Mass (m) = 40 kg…

Q: A tractor with mass m pulls a trailer with mass 3m. The whole vehicle has the acceleration a. F is…

A:

Q: Dynamics of rigid bodies/engineering

A: As per guidelines, only first question is solved here. Given, mass, m = 5 kg  Velocity, v = 20 m/s…

Q: A student throws a 1.8kg ball horizontally off the top of a building with an initial speed 3.85 m/s.…

A:

Q: An arrow with a mass of 250 g has a speed of 27 m/s before it passes through a 1.5 cm piece of…

A: MA = Mass = 250 g = 0.250 Kg , Vi = Velocity = 27 m/s T = d = thickness = 1.5 cm = 0.015 m Vf =…

Q: Calculate the final speed (in m/s) of a 111 kg rugby player who is initially running at 7.75 m/s but…

A: Given: mass of the player m = 111kg                       initial speed u = 7.75m/s…

Q: In the potential energy experiment. If the kinetic energy of the system composed of masses m, and m2…

A: Given: In the potential energy experiment. If the kinetic energy of the system composed of masses m,…

Q: A 8000-N car is traveling at 80 km/h. It strikes a 12000-N car, which is stationary. The two cars…

A:

Q: 46. Roller coasters use some of the most sophisticated technology. Safety is a big part of that…

A:

Q: In a grocery store, you push a 12.3-kg shopping cart with a force of 10.1 N. If the cart starts at…

A:

Q: A mine cart has a mass of 100 kg and is moving with a velocity of 4 m/s. A 200 kg rock is dropped…

A:

Q: Set 1..

A: Given : m = 60 kg vo = 13.4 m/s (130 mi/h) s = 0.65 m v = 0 (because finally the dummy stops)

Q: 2. A mass of 4 kg is dropped with a velocity of 5 m/s. a. Find an expression for the velocity of an…

A: a) Fnet = mg - 60v  ma = mg - 60v  mdv/dt = mg - 60v dv/(mg - 60v) = dt/m  Integrating both sides…

Q: 9. A small objoct of maas m starts from rest at the position shown and slides along the frietionless…

A:

Q: If you are driving at 30 m/s and slam on your brakes and skid at 0.4 g to a full stop, how long does…

A: We need to calculate the time taken for the car to stop from its initial speed of 30 m/s.

Q: Two balls of masses mi 5 g and m2 10 g are released from rest at the same height h. If air…

A:

Q: A stream (J) of bullets of mass 21 g each has a speed of 501 m/s. They hit and come to rest (,)…

A: Given: Mass of bullets are 21 g Speed is 501 m/s Hitting bullets number are 10 / sec

Q: 16.A person kicks a ball with a force of 250 N that accelerates the ball at a rate of 5 m/sec2. What…

A: Force applied by the person while kicking a ball (F) = 250 Newton Acceleration produced in the ball…

Q: Your mass is 63.4 kg, and the sled s mass is 25.0 kg. The sled is moving by itself on the ice at…

A: Write the given values with the suitable variables. m1=63.4 kgm2=25 kgu2=3.19 m/s Here, m1, m2, and…

Q: HELP WITH PHYSICS PROBLEM A car has a mass of 1500 kg. If the driver applies the brakes, the maximum…

A: Mass of vehicle is The maximum frictional force is Initial velocity is Note:Find:The shortest…

Q: Part A -  A ball is thrown straight down with an initial speed of 2.4 m/s from a height of 75 m.…

A:

Q: A block of mass m is dropped from the fourth floor of an office building and subsequently hits the…

A:

Q: A child pushes a cart with a force of 14.5 N over a distance of 2.25 m. If the cart has a mass of 18…

A:

Q: A 7100-kg railroad car travels alone on a level frictionless track with a constant speed of 16.0…

A: Given that,Mass of railroad car  : m1 = 7100 (kg)Mass of load : m2 = 2650 (kg)Speed of car : v1 = 16…

Q: You stand on the edge of a cliff and hold two metal balls, one in each hand. The mass and size of…

A: Consider a metal sphere of mass  m falling from a height h. Assume there is no air resistance. The…

Q: A 2500 lb car collides with a 25,000 lb truck. During the collision the car exerts a force of 550 lb…

A:

Q: A block is given an initial velocity of 12 m/s up a frictionless incline of angle of 37°. How far up…

A: Acceleration down the incline a=g sinθ

Q: Two blocks are attached to a light string. Block A (mA=14.6kg) is at rest on a frictionless table.…

A:

Q: Given that the force per unit area that may cause a bone fracture is 109 dyne/cm2,the minimum height…

A: Mass of person (m) = 70 kgForce per unit area that may cause fracture = 109 dynecm2Area of heels (A)…

Q: 1.A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a…

A:

Q: Alice has a mass of 62.0 kg and Bob has a mass of 84.0 kg and they are initially standing at rest…

A: The conservation of momentum is that initial momentum is always equal to final momentum. No momentum…

Q: Two blocks of mass 4 kg and 3 kg are each initially 7 m above the ground and they are connected with…

A: To solve this question, we will use the concept of pulley mass system. Given, Mass of the two blocks…

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: