a 5.75 kg objects passes throuh the origin at tme t=0 ,such that its x component of velociy is 5.00 m/s and its y component of velocity is -3.00 m/s a) .what is the kenetic energy of the object at this time..?  b) .at later time t=2s, the particles is locate at x =8.50m and y =5.00 m what constant force acted on the objects durings this time intervals..? c) .using the work energy work theorem ,find the speed of the particles at t =2 s.

Q: Particle A and particle B are held together with a compressed spring between them. When they are…

A: Let mass of B = m Mass of A = 5 m Using conservation of momentum 0 = mu + (5m)Vu = -5 V ...(1)Using…

Q: In the figure, a 2.1 kg box of running shoes slides on a horizontal frictionless table and collides…

A: Given:- weight of shoes = 2.1kg weight of ballet slipers = 1.6kg h= 0.63m speed of shoes = 3 m/s

Q: (II) A falling rock has kinetic energy KE just before strikingthe ground and coming to rest. What is…

A: Given, Kinetic energy is KE. Assume T0 is the temperature of both the rock and the environment and Q…

Q: in Q3. A 7kg bowling ball moves at 3m/s. How fast must a 2.45g Ping-Pong ball moves so that thecwo…

A:

Q: An object with mass 3 kg is moving with a speed of 5 m/s at a height of 2.5 m above the ground.…

A: Given data The object's mass is: m = 3 kg The objects's speed is: v = 5 m/s The height of the object…

Q: A constant force acts on a mass of 3kg for 1 minute and gives it a velocity of 2 m s−1 . Find the…

A:

Q: a)Gayle runs at a speed of 3.80 m/s and dives on a sled, initially at rest on the top of a…

A:

Q: You kick a football straight up with velocity, V and after sometime, the football is coming back to…

A: To explain: The point at which the ball have the most energy.

Q: A 150 g particle at x = 0 is moving at 2.00 m/s in the +x-direction. As it moves, it experiences a…

A:

Q: How fast must a 2.5-g ping-pong ball move in order to have the same kinetic energy as a 145 g…

A: Given  Mass of ping pong m1=2.5g Mass of base ball m2=145g Speed of baseball v2=37m/s     Let speed…

Q: A 80.0-kg fireman slides down a 3.00-m pole by applying a frictional force of 400. N against the…

A: When the fireman slides down a pole, it applies a frictional force on pole which is opposite to it's…

Q: What initial velocity must be given to a 5-kg mass if it is to rise to a height of 10 m? What is the…

A: Mass, m = 5 kg Height, h = 10 m Acceleration due to gravity, g = 9.81 m/s2   From work energy…

Q: need asap A 20-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a…

A:

Q: A 0.760 kg snowball is fired from a cliff 13.4 m high with an initial velocity of 11.7 m/s, directed…

A: The conservation of energy states that initial energy of the snowball is equal to the final energy…

Q: A stationary but movable 400 kg cannon is fired, and the 10 kg cannonball moves off to the right…

A: Given: mass of the cannon, M=400 kg mass of cannon ball, m=10 kg velocity of the ball, v=20 m/s

Q: WHAT IS A CLOSED SYSTEM? GIVE AN EXAMPLE OF A CLOSED SYSTEM IN WHICH THERE ARE CHANGES IN THE…

A:

Q: A 0.80-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of…

A:

Q: What is the change in kinetic energy of the mass in moving from x = 0 to 10.0 m? If the mass begins…

A:

Q: A 50 kg pole vaulter running at 9.5 m/s vaults over the bar. If the vaulter's horizontal component…

A: Given Mass m =50 kg Initial speed u = 9.5 m/s Final speed v = 1.3 m/s Energy lost Elost = 200 J

Q: If a closed system has 500 J of energy right now, how much will it have in five minutes?

A: Given: Energy = 500 J            System type:- Closed            Time = 5 minutes Asked: Energy left…

Q: After a tornado, a 0.55-g straw was found embedded 2.3 cm intothe trunk of a tree. If the average…

A: Given,F = 65ma = 65a = 65m= 650.55 x 10-3 = 118181.8 m/s2

Q: · A projectile of mass 9.4 kg is fired straight up with an initial speed of 470 m/s. How much higher…

A:

Q: a 3.2 kg box of running shoes slides on a horizontal frictionless table and collides with a 2.0 kg…

A:

Q: Two bullets of identical mass are fired with speeds 40 m/s and 80 m/s, respectively. What is the…

A:

Q: A 4.00-kg particle moves along the x axis. Us ROSIION vaties With time according to x(t)=t+2.0t…

A:

Q: A 13.0 kg block falls 5.0 m above the ground with a speed of 13 m/s from rest. How much energy is…

A:

Q: In a Broadway performance, an 80.0-kg actor swings from a3.75-m-long cable that is horizontal when…

A:

Q: Meteorites enter the atmosphere at about 11 km/s but decelerate within a few seconds to a terminal…

A:

Q: A block of mass m1 = 12.5 kg slides along a horizontal surface (with friction, μk = 0.29) a distance…

A:

Q: Calculate the valu of the time of flight of K-39 (K39) ion that has a kinetic energy of 12.2 x 10-18…

A: Answer               4.121*10-5 s

Q: A projectile is fired vertically with an initial velocity of 200 ft/s.Using the law of conservation…

A: Given : Initial velocity, u = 200 ft/s = 60.96 m/s

Q: a mass of 0.1420 kg and has this speed just before a batter makes contact with it, how much kinetic…

A:

Q: You are travelling in a car 90.0 m/s If you have a mass of 1.200.0 kg and the car ha a mass of 79.5…

A: Given data The traveling speed of the car is given as v = 90 m/s. The mass of the person is given…

Q: A mother (mass 60.0 kg) skates across an ice rink with negligible friction toward her child (mass…

A: This can be solved by the application of conservation of linear momentum. In this case the momentum…

Q: a 10.2kg ball is shot out of a canon vertically up the spring (k=18100n/m) in the canon is…

A: a PEspring = 12×k×x2Where k = spring constant = 18100 N/mx = amount of compression relative to…

Q: In the figure, a 4.6 kg box of running shoes slides on a horizontal frictionless table and collides…

A: Given:  The mass of the running shoe box is m1 =4.6 kg. The mass of the ballet slippers is m2 = 3 kg…

Q: A projectile of mass 9.5 kg is fired straight up with an initial speed of 450 m/s. How much higher…

A: Given : Mass = 9.5 kg             Speed = 450 m/s             Energy = 6.8 × 105 J

Q: r, of mass 55-kg, pushes off the top of a hill with an initial speed of 4 m/s. netic energy does she…

A: Note- According to Bartleby guidelines I am able to give answer only one question.   Answer…

Q: A 5.00-kg block is moving at 5.00 m/s along a horizontal frictionless surface toward an ideal…

A: Mass of the block is m = 5 kg Initial speed of the block is u = 5 m/s Compression in the spring is x…

Q: A roller coaster, mass=560 kg, is moving over the crest at point A with a speed of 5.0 m/s. What is…

A:

Q: When does dissipated energy depend Q on the speed difference before the collision?

A:

Q: A pitcher supplies a power of P = 226 W to a baseball of mass m = 0.085 kg for a period of t = 0.28…

A: Given value--- power = 226 W. mass = 0.085 kg. time = 0.28 sec. We have to find--- What is the…

Q: A VW beetle going 80 km/hr East, hits a Mack truck, 10 times the mass of the beetle, head on, going…

A:

Q: Calculate the final speed of a 110kg rugby player who is initially running at 8.00 m/s but collides…

A: Given that  mass m is 110 kg. initial speed is 8.00 m/sec  . a backward force of 1.76×104N for…

Q: How much energy AE would be required to move the Moon from its present orbit around Earth to a…

A: