A mass of a 0.5kg ball is dropped from a building (g=9.81ms^-2). 1-How much time will pass if it fell 6m? 2-What is the speed and the change in momentum of the ball after it has fallen 6m?  The ball hits the ground and bounces at an angle of 50° towards another building and is now traveling at 8 ms^-1 3-What are the x- and y-components of the ball below the horizontal? 4-What is the change in momentum of the ball during the collision? Find answer in vector with a magnitude and direction 5-What is the average force of the ball during the collision if the collision took 0.05 s? Find answer in vector with a magnitude and direction

Q: A student pilot taxiing a Cessna 172- Skyhawk is brought to a full stop with a total distance of…

A: Givend=450mV=18knots=9.26 m/smpilot=170lbs=77.1107kgmairplane=757kg

Q: Tests reveal that a normal driver takes about 0.75 s before he or she can react to a situation to…

A:

Q: A particle of the rest energy (0.624 GeV) moves with respect to the laboratory at speed u=0.8 c. the…

A: Given data: Rest energy = 0.624 GeV u = 0.8 c

Q: 10. A plate with a mass of 0.375 kg is dropped and has a speed of 3 m/s when it suddenly hits the…

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Q: A ball is kicked horizontally outward with a velocity of VA from point A and ust clear the tree at…

A:

Q: (f) The car drives down a hill of gradient 1 in 5 at a constant 110km/h. What power is required?…

A: Solution to sub-part (f) as mentioned by the student:   given: Effective mass of car = 1850 kg…

Q: A steel wire connects two trains at rest on the same track. The wire will snap if it is stretched by…

A: In this problem, it is asking about the reason behind snapping of wire due to stretching when an…

Q: Q3/ A hockey puck of mass 0.16 kg traveling on a smooth ice surface collides with the court’s edge.…

A: Mass of puck, m = 0.16 kg Initial velocity, vi = - 2 i m/s Final velocity, vf = 1 i m/s Contact…

Q: A7.1-Mg truck is resting on the deck of a barge which displaces 398 Mg and is at rest in still…

A:

Q: Packages having a mass of 4-kg are delivered from a conveyor to a ramp with a velocity of v = 0.8…

A: Given data: The mass of the package is m=4 kg The initial velocity of the package is v0=0.8 ms The…

Q: a- Find the velocity x and the position x as functions of the time t for a particle of mass m, which…

A: we are required to determine he velocity and aceeleration in the first part  and force function in…

Q: (b) It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction is neglected,…

A: There are three equations of motion  i) v = u + at ii) v2 - u2 = 2as iii) s = ut + 1/2 at2 where v =…

Q: Consider a block that is free to slide a rough plane(i.e. there is a frictional force f ) that is…

A: we can use  energy conservation  :- Energy at  height" h "above the horizontal plane is only…

Q: (a) Explain why momentum is a vector quantity. (b) The crumple zone at the front of a car is…

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Q: In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the…

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Q: Assuming that there are no heat effects and no frictional effects, find the kinetic energy and speed…

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Q: Q2. A wooden pile that weighs 500 lb is driven into the ground by successive blows of a hammer…

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Q: A car moving along a straight highway with a speed of 126 km h is brought to a stop within a…

A: Given data,  Initial velocity u= 126km/h = 35 m/s  s= 200 m when final velocity becomes v= 0 m/s

Q: 10- (If we assume a group of particles with a center of mass), then the sum of the momentum of these…

A: Solution is given below:

Q: Traveling with an initial speed of 70 km/h, a car accelerates at 6000 km/h^2 along a straight road.…

A: Given, V1 = 70 km/h A1 = 6000 km/h2 V2 = 120 km/h V2 = V1 + A1T120 = 70 + 6000×TT = 1120hT =…

Q: a rocket of mass 1000 kg is ready for a vertical takeoff the exhaust velocity of its fuel is 4.5 km…

A: Data given-  M = 1000 kg  V' = 4.5 km/s

Q: 1. Assuming that there are no heat effects and no frictional effects, find the kinetic energy and…

A:

Q: 5. The jet engines on an airplace must develop a certain amount of power to propel the airplane…

A: given; speed (V1)=280km/haltitude(h1)=4000 mincrease in power percentage (%P)=?at…

Q: A car is designed to break the land speed record. The thrust exerted on the car is 230 kN at one…

A: Given:F=230 KNm=11,000 Kga=2.9 m/s2Vx=320 m/suy=2.5 m/sh1=1.5 m

Q: he brake mechanism used to reduce recoil in certain types of gun consists essentially of a piston…

A:

Q: The vehicle shown starts from rest at the bottom of the hill and accelerates up the hill due to the…

A: Given data mass of car = 1600 kgFR = 7300 Nvtop  = 9.7 m/sh = 50 m

Q: Consider a ski jumper moving down a track to acquire sufficient speed to accomplish the ski jumping…

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Q: Please answer the following questions, (a) Determine the velocity that the object releases from the…

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Q: A52 kg object, initially at rest, is acted on by a net external force in a straight line described…

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Q: 3. The third graders are on one side of a schoolyard, and the fourth graders are on the other. They…

A: As given in question grade third and fourth are throwing snowballs on each other. Masses of each…

Q: Please include the figure, fbd and formula. An empty freight car with a mass of 10,000 kg rolls at 5…

A: Write the given data with suitable variables. m1=10000 kgv1=5 m/sm2=20000 kg

Q: Question 9 A car of mass 1200 kg is travelling west with a velocity of 72 kmh=1. It takes a left…

A: To find  (a)The change in momentum ∆P. (b) The force the road applies to the car tyres F1. (c) The…

Q: A small car of mass 2000-kg reared a stalled truck of mass 3000-kg on a straight road. The two…

A: given data  mass of car = 2000kg mass of truck = 3000 kg initial velocity of car = 30 m/s find the…

Q: B) A particle with 2 kg mass, slides down a frictionless sphere with a radius of 1m, starting from…

A:

Q: A 1 Kg mass starts with an initial velocity of 100m/s at the top of an inclined plane. By how much…

A: Determine velocity of block at bottom ( when it just touch spring) by using energy conservation

Q: A car climbs through a slope of 30° in 5 seconds. If it starts at rest and after 10 m its velocity…

A:

Q: A rocket lifts off from Earth initially at a mass of 50,000 kg. If it burns 40,000 kg of fuel during…

A: Given:initial mass of the rocket, mi=50000 kgfuel burns, mf=40000 kgrate of fuel burns,…

Q: A swimmer can swim 10 km in 2 hours when swimming along the flow of a river. While swimming against…

A:

Q: Q2 A ball is thrown with a velocity of 30 m/sec at an angle of 30° above the horizontal. a. How long…

A: Given data: The velocity of the ball is v=30 ms The projection angle of the ball is θ=30°

Q: 1.) The 300 g rocket is fired horizontally with a velocity of 1570 mph and picks up four stationary…

A:

Q: Q3/ A hockey puck of mass 0.16 kg traveling on a smooth ice surface collides with the court's edge.…

A: Given: Mass of puck, m = 0.16 kg Initial velocity, vi = - 2 i m/s Final velocity, vf = 1 i m/s…

Q: 1. (a) Consider two vectors with † = 8m î and a linear momentum acting on a particle is given byp =…

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Q: Gas guns are used to investigate the properties of materi- als subjected to high-velocity impacts. A…

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Q: Considering that there is no friction in the system if the weight of the vehicle shown in the form…

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Q: d A block with mass m=0.4kg is released from rest and slides a distance d=2.5m down a frictionless…

A: According to the given information, we know that mass of block is 0.4kg , slides at distance 2.5m,…

Q: A hand pushes block A (m,= 3 kg) with a constant force Nand A= 75 N for a distance Ax = 2 m along a…

A:

Q: A box with a mass of 25 kg is moving downward at 5 m/s. The motor pulls on the cable with a force of…

A: The mass of the body is given as 25 kgs and the same is equivalent to 250 Newtons of force in the…

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.