motorcar of mass 1200 kg is moving along a straight line with a uniform velocity of 90 km/h. Its velocity is slowed down to 18 km/h in 4 s by an unbalanced external force. Calculate the acceleration and change in momentum. Also calculate the magnitude of the force required.

Q: Two objects, both with a mass of 1.87 kg are sliding across a horizontal, frictionless surface…

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Q: Two objects, both with a mass of 1.89 kg are sliding across a horizontal, frictionless surface…

A: given: m1=m2=1.89 kg v1 = 4.99 i m/s v2 = -2.16 i m/s let final velocity= v

Q: A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic…

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Q: A bullet of mass 200 g traveling horizontally with a speed of 319 m/s. It strikes a block of mass…

A: From the momentum conservation, Here, mb, m, ub, u and v represent the mass of a bullet, the…

Q: A volleyball with a mass of 0.267 kg approaches a player horizontally with a speed of 13.0 m/s. The…

A: Given data : The mass of volleyball is, m = 0.267 kg. Approaching speed of volleyball to player is,…

Q: A block of mass m = 5.6 kg, moving on a frictionless surface with a velocity of vi=6.5m/s to the…

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Q: Block 1, of mass m1 = 3.70 kg , moves along a frictionless air track with speed v1 = 23.0 m/s . It…

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Q: A ball with a mass of 275 g is dropped from rest, hits the floor, and rebounds upward. If the ball…

A: Given: m=275 g = 0.275 kgu = 3.41 m/s or u→=-3.41 j^ m/sv = 1.85 m/s or v→=1.85 j^  m/s∆t=1.30 ms…

Q: Object A of mass M has an original velocity of 7.20 m/s in the +x-direction toward a stationary…

A: The answer is below

Q: 4.0 m/s 3.0 kg A 3.0 kg cart is moving at a speed of 4.0 m/s to the right across a frictionless…

A: Given:-  Two cars A and B  have a mass  MA=3.2 kg MB=m vAi=4 m/s The magnitude of  force is function…

Q: Sphere A, of mass 0.600 kg, is initially moving to the right at 4.00 m/s. Sphere B, of mass 1.80 kg,…

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

Q: A 3-kg object moving to the right on a frictionless horizontal surface with a speed of 2 m/s…

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Q: A block of mass m = 6.62 kg, moving on a horizontal frictionless surface with a speed 5.85 m/s,…

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Q: A car with mass mc = 1153 kg is traveling west through an intersection at a magnitude of velocity of…

A: The mass of the car is 1153kg, moving with a speed of 11m/s, and the mas of truck is 1998kg, moving…

Q: A 1400 kg car moving at 5.3 m/s is initially traveling north along the positive direction of a y…

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Q: A volleyball with a mass of 0.269 kg approaches a player horizontally with a speed of 16.0 m/s. The…

A: (a) Write the expression for the impulse, and solve for the magnitude of the impulse delivered to…

Q: Initially resting in the xy coordinate plane's center, an item erupts into three parts. Immediately…

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Q: Object A traveling east at 1.40 m/s collides with object B traveling west at 1.89 m/s. Object A has…

A: Given: Mass of the object A = 2.75 kg Mass of the object B = 3.95 kg Initial speed of the object A =…

Q: of masses m₁ = 1 kg and m₂ = 1.5 kg respectively, collide elastically. Their initial velocities are…

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Q: A soccer ball with a mass of 0.427 kg approaches a player horizontally with a speed of 16.0 m/s. The…

A: The magnitude of impulse can be obtained as Impulse=∆p=mvf-vi=0.427kg22.6m/s--16.0m/s=16.48 kgm/s

Q: A 0.446 kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.293 kg…

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Q: Block 1, of mass m1 = 2.10 kg, moves along a frictionless air track with speed v1 = 15.0 m/s. It…

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Q: The vector position of a 3.50-g particle moving in the xy plane varies in time according to r→1 =…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a)

Q: A system is made up of three bodies with respective velocities as follows: body A of mass 1.5 kg…

A: Analyze the figure given below,

Q: At time t = 0 a 2130 kg rocket in outer space fires an engine that exerts an increasing force on it…

A: Given data Mass of rocket =2130 kg Calculations Calculating force exerted by the engineF=At2where t…

Q: What is the magnitude and direction of the resultant momentum of a system of two particles with…

A: Given data: The masses are, m1=3.75 kg m2=4.2 kg The velocities are, v1=5.6 m/s (north) v2=2.3 m/s…

Q: A block of mass m1=1.50 kg is initially travelling at u1=3.50 m/s to the right. It collides with a…

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Q: Two objects, both with a mass of 1.91 kg are sliding across a horizontal, frictionless surface…

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Q: A soccer player takes a corner kick, lófting a stationary Ball with it for 3.70 x 10-2 s, find the…

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Q: A 11.5 kg rifle fires a 0.050 kg bullet with a muzzle velocity of bl What is the magnitude of the…

A: Use conservation of momentum Pr=-Pb=-mbvb=-0.050 kg600 m/s=-30 kg·m/s Thus, the magnitude of…

Q: Two objects of masses m and 7m are moving toward each other along the x-axis with the same initial…

A: In an elastic sollision, the energy as well as the momentum is conserved.Using the conservation of…

Q: A system consists of three particles with these masses and velocities: mass 3.00 kg, moving north at…

A: Given data: Mass of first particle (m1) = 3.00 kg Velocity of first particle (v1) = +3.00 m/s Mass…

Q: Two objects, both with a mass of 1.92 kg are sliding across a horizontal, frictionless surface…

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Q: Consider the collision of a moving puck with a second, initially stationary puck, as shown in the…

A: Let us redefine the variablesmass of puck 1, m1 = 0.50 kgmass of puck 2, m2 = 0.60 kginitial…

Q: A handball of mass 0.200 kg, traveling horizontally at 25.0 m/s , strikes a wall and rebounds at…

A: Mass, m = 0.2 kgInitial velocity, u = 25 m/sFinal velocity, v = -16 m/s Impulse, J = ? Momentum is…

Q: Two people, each with a mass of 85.00 kg, are paddling their canoe downstream with a speed of 1.520…

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Q: Consider the collision of a moving puck with a second, initially stationary puck, as shown in the…

A: Given: m1=0.50 kgm2=0.60 kgv1=1.5 m/sv1f=0.5 m/sθ1=50°

Q: Object A with mass 520 g and traveling rightward at 0.8 m/s collides head on with Object B with mass…

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Q: An ball bearing of mass m rolls along a horizontal rail at velocity vo and strikes a stationary ball…

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Q: 2) Mass 1 = 5 kg is initially travelling east at 4.5 m/s. It strikes a stationary Mass 2 = 2.5 kg,…

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Q: Two objects, both with a mass of 1.7 kg are sliding across a horizontal, frictionless surface toward…

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Q: A small marble (MA = 13.0 g ) slides to the left with a velocity of magnitude 20.0 cm/s on the…

A: mass of small marble = 13 g initial velocity of small marble = 20 cm/s towards left mass of larger…

Q: loaded railroad car of mass 6000 kg is rolling to the right at 2.0 m/s when it collides and couples…

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Q: If a 1305 kg train car on a one dimensional track, moving at 4 m/s north, hits and bounces off a…

A: Given that,               Mass of 1st train car (m1) = 1305 kg               Velocity of 1st train…

Q: A system has two particles in it, particle A has mass 1.0 kg and velocity 3.7 i m/s, and particle B…

A: Given data:  Mass of particle A (mA) = 1.0 kg Velocity of particle A (VA) = 3.7 i m/s Mass of…