A 2 kg mass initially moving with a velocity vi = 3x + 2y m/s is acted upon by a force F = 4x - 10y N for 5 seconds. What is the velocity of the mass at the end of that time? (the anser in vector forn)

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: According to the Newton’s second law, F=maa=Fm=4.3×105 N3.56×105 kg=1.208 m/s2

Q: How much force is needed to make a rocket move in constant velocity in a frictionless outer space?…

A: If a rocket moves with constant velocity, its acceleration will be zero.

Q: A scooterist moving with a speed of 36km/h sees a child standing in the middle of the road. He…

A: u = 36km/h = 10m/s, v = 0, t = 5sa = (v-u)/t = (0-10)/5 = -2m/s2Retardation = 2m/s2Average retarding…

Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are…

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Q: velocity

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Q: A car moving at 20 m/s crashes into a tree and stops in 0.26s. Calculate the force the seat belt…

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Q: If we exert 1200N on an object to cause it to accelerate 0.55m/s2, what is the mass of the object?

A: Exerted force is F = 1200 N Acceleration of the particle is a = 0.55 m/s2

Q: A particle of mass 2.5kg moves according to the equation x(t)=10t?, where x is in meters and t is in…

A: Given The mass of the particle is m = 2.5 kg. The equation for the distance is x(t) = 10t2. The…

Q: A scooterist moving with a speed of 36 km/h sees a child standing in the middle of the road. He…

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Q: A toy rocket achieves a velocity of 54.0 m/s after 2.50 s, when fired straight up. If the average…

A: Velocity of toy rocket is v = 54 m/s Time taken to achieve the velocity is t = 2.50 s Average force…

Q: What is the momentum of a 4.45x104 N truck when traveling at the rate of 100 km/hr? Solution FBD…

A: Given data: W=4.45×104Nv=100 km/hr Need to determine the momentum of the truck.

Q: If a 0.50 kg block initially at rest on a frictionless, horizontal surface is acted upon by a force…

A: Given Mss of a block = 0.50 kg Initial velocity of block = 0 m/s Surfaces are frictionless force…

Q: You throw a nerf basketball of mass 0.002 kg into the air. At t = 0, the ball leaves your hand. At t…

A: Mass of nerf basketball m=0.002 kg

Q: A doctor is testing how much impact force does a 75 kg athlete has on his knees when he jumps. On…

A: Given that: m=75 kgv=7.5 m/st=0.4 sec

Q: 5. A 1.00-kg particle experiences a force of 1.00N to the left for the first 3.00m and 1.25N to the…

A:

Q: cat (mass of 3.63 kg) is on a sled (mass of 22.7 kg) which rests on an icy surface... so no…

A: mass of cat (m) = 3.63 kg mass of sled (M) = 22.7 kg speed of jump of cat (v) = 3.7 ms

Q: M. A spaceship's orbital maneuver requires a speed increase of 1.10 x 10 m/s. If its engine has an…

A: Given value--- speed increment = 1.10 × 103 m/s. Exhaust speed =2.15 × 103 m/s. We have to find---…

Q: A 12 g bullet is accelerated from rest to a speed of 700 m/s as it travels 20 cm in a gun barrel.…

A: The acceleration of the bullet from kinematics, v2=u2+2as7002=02+2a0.2a=1.23×106 m/s

Q: A body of mass 15 kg moving with velocity of 2 m/s is acted upon by a force of 75 N for two seconds.…

A: Mass (m) = 15 kg initial velocity (u) = 2 m/s Applied force (F) = 75 N Time (t) = 2 seconds

Q: Consider the following question: A car moving at 10 m/s crashes into a tree and stops in 0.26 s.…

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Q: Which has more k.e., a car of mass 500kg travelling at 15 ms- or a motorcycle of mass 250 kg…

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Q: Compute for the force on a 975 kg car moving from 12 m/s to 27 m/s in 15 s.

A: Answer  Given  Mass of the car m = 975 kg Final velocity vf = 27 m/s Initial velocity vi = 12 m/s…

Q: During a car collision, the knee, thighbone, and hip can sustain a force no greater than 4000 NN.…

A: Given: Maximum force that the knee, thighbone, and hip can sustain F=4000 N Mass of person, m=90 kg…

Q: object of mass m1=10 lbs with a velocity of 10 ft/s is colliding to mass m2=5 lbs with a velocity of…

A: GivenMass of object, m1=10 lbsVelocity , v01=10 ft/smass of object, m2=5 lbsvelocity, v02=5 ft/s

Q: A particle of mass 1.5kg moves according to the equation x(t)=10t2, where x is in meters and t is in…

A: The force acting on an object is given by  Force = mass x acceleration

Q: I am driving my 10000.kg car @ 25m/s and apply a force of 3000.N with my brakes for 30. seconds.…

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Q: A 12000 kg railroad car travelling at 10 m/s strikes a second car and comes to rest in 2 seconds.…

A: Given in question: Mass of the car(m) = 12000 Kg                                 Initial speed(u) =…

Q: A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun…

A: See below