The air-track carts in (Figure 1) are sliding to the right at 1.0 m/s. The spring between them has a spring constant of 120 N/m and is compressed 4.5 cm. The carts slide past a flame that burns through the string holding them together. What is the speed of 100-g cart? Express your answer with the appropriate units. What is the speed of 300-g cart? Express your answer with the appropriate units.

Q: Identify whether the following is a scalar quantity or a vector quantity. a. 800 J of work b. 120 N…

A: Given data:  The physical quantities Required: Identify qualities as a scalar or a vector quantity

Q: 1. Explain your answers to the following: a. Can the velocity change without changing the…

A: a.  Ans: Motion is always relative. Motion is never absolute. Yes we are going to use the concept of…

Q: A 0.15 kg ball is dropped. How fast will it be moving after it has fallen 1.5 meters? (Note - there…

A: Given.           Initial velocity=0 and distance=s=1.5m

Q: A 3860 kg truck moving at 5 m/s westward collides with a 1300 kg car moving at 20 m/s eastward. The…

A:

Q: A 4.1 x 104-kg space probe is traveling at a speed of 12000 m/s through deep space. Retrorockets are…

A: Solution      Given dataMass M=4.1×104kgInitial speed u=12000m/sForce F=−1.7×104N ((as it is acting…

Q: A skateboarder with a mass of 90 kg is skating towards a ramp at 5 m/s. The skater begins to move up…

A: a) Lets apply energy conservation to solve this question:- Ei= Ef => Ki + Ui = Kf + Uf => 0.5…

Q: olve the following prot A 3-kg fish moving at 0.5 m/s swallows a 0.5-kg fish at rest. What is the…

A:

Q: 13.0 m/s ??? m/s A car (mass = 1130-kg) moving east at 13.0 m/s strikes a car (mass = 2820-kg)…

A:

Q: S: Energy is not always completely transformed from one form to another. Suppose that you are told…

A:

Q: As shown in the figure below, m1=2 kg moves with velocity of 5 m/s on a frictionless surface, and…

A:

Q: A 18 g ball of clay traveling east at 4.0 m/s collides with a 30 g ball of clay traveling north at…

A: Given: Here, the given details are, A 18 g ball of clay traveling east at 4.0 m/s collides with a 30…

Q: In a movie, a superhero stops an 8 gram bullet moving at 400 m s-1 with his hand. His hand provides…

A: Mass of bullet is 8 gram.Velocity of bullet is 400m/s.Average force = 1200N

Q: A Physics book of unknown mass is dropped from rest 5.5 m. a). Draw a sketch of the scenario. b).…

A:

Q: Timmy is on the high dive (h=10m) at a local pool. Assuming Timmys mass is 65kg.  a. What is his…

A:

Q: 4.) A 25.0 kg rock is dropped from a height of 35.0 meters. Just before it lands, it is going 42.2…

A: Given data for Question 4 mass (m) = 25 kg height (h) = 35 m speed (v) = 42.2 m/s

Q: Ball 1 traveling at a velocity v, was made to collide with Ball 2 of the same mass that was at rest.…

A: Both balls must travel in same directions after collision else the net energy after collision…

Q: 4. A 4.0 kg object has a velocity of 3i m/s at one instant. Eight seconds later, its velocity is (8i…

A: Mass of the object m=4 kg, initial velocity of the object u→=3i^ m/s and final velocity of the…

Q: 8. A 900 kg car traveling at a speed of 10 m/s suddenly runs out of gas while approaching the valley…

A: Kinetic energy= KE=Potential energy= PE= mghm=massh=height from reference ground…

Q: Inelastic Collisions: A 2.0-kg mass moving at 5.0 m/s suddenly collides head-on with a 3.0-kg mass…

A: The mass of object A: mA=2.0 kg The mass of Object B: mB=3.0 kg The initial speed of object A:…

Q: A stone is thrown vertically upward and feels no air resistance. Upon rising, a.its kinetic energy…

A: Required : The correct option.

Q: A moving cart collides with a stationary cart. The carts stick together and move at the same speed.…

A: In this question we have to select which diagram represents the given situation correctly. Please…

Q: A 6000-kg truck travelling North at 18 kph collides with a 4,000-kg bus moving West at 54 kph. If…

A: Convert the velocities into the base SI unit 18 kph=5 m/s54 kph=15 m/s

Q: A 2kg marble moving at 4 m/s collides into a 1 kg marble at rest. After collision, the 2 kg marble…

A:

Q: A 1000 kg car moving at 20 m/s collides with a 3000 kg truck ,moving toward it also at 20 m/s. After…

A: Given that               The mass of the car is m1 = 1000kg               The speed of the car is v1…

Q: A 45 g marble moving at 2.2 m/s strikes a 20 g marble at rest. Assume the collision is perfectly…

A:

Q: Mass is 2.0-kg. Released from rest at X, the speed at Y is closest to:

A:

Q: A 2.3-kg Rocket traveling at 6.1 m/s collides head-on with a 3.5-kg object traveling in the opposite…

A:

Q: from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. What is the…

A:

Q: more potential energy will the rocket have when it reaches the top where its velocity is zero?…

A:

Q: 1. A ball is thrown vertically upward until it reaches a height of 5 yards. Find the initial…

A: Given, An object is in motion

Q: The following statement are correct about scalar and vectors except: A Scalar is a real numbers and…

A: Solution:-Given that

Q: A 50 g ball of clay traveling at speed v0 hits and sticks to a 1.0 kg brick sitting at rest on a…

A:

Q: what's the height traveled before coming to rest?

A: Given: Mass, M=3kg Mass, m=5g=0.005Kg Velocity, Vo=40m/s

Q: An 8,000-kg train car moves to the right at 10 m/sec. It collides with a 2,000-kg parked train car.…

A: Mass of train (M) = 8000 kg initial velocity of train (u) = 10 msmass of parked train car (m) = 2000…

Q: 13. A 16 g bullet moving at 200 m/s passes through a 2.0 cm thick sheet foam plastic and emerges…

A: Given: The mass of the bullet is 16 g. The initial velocity of the bullet is 200 m/s. The final…

Q: A .97 kg projectile moves at 19 m/s a. What is its momentum? b. How fast would a 5kg ball have to…

A: Given data: The mass of the projectile is, mp= 0.97 kg The speed of the projectile is, vp=19 m/s The…

Q: Below is a graph of the velocity of an object over a period of time. Time t1 t2 Which of these…

A: Here, initially the velocity was positive and uniform, decreases to particular time and continue up…

Q: O when it leaves the gun? O a. 5 m/s Ob. 20 m/s O c. 10 m./s cm. How last will a Gar

A: Spring constant = K = 250 N/m Compressed length = x = 5cm = 0.05 m Mass = m = 0.025 kg

Q: n empty freight car with a mass of 10,000 kg rolls at 5 m/s along a level track and collides with a…

A:

Q: Jermaine is riding his skateboard around the playground when he “accidentally” bumps into his older…

A: Apply the energy conservation equation for Tito and substitute the required values to calculate the…

Q: An object moving at 21.0 m/s has 1390 J of kinetic energy. What is the object's mass? A. 6.30 kg B.…

A: Given Object speed = v = 21.0 m/s Kinetic energy = K.E = 1390 J We have to calculate object's mass

Q: A student stands at the top of a building of height 50 m. He throws two identical balls with a speed…

A: These is a problem of kinematics under gravity. The ball thrown downward has initial speed of 20…

Q: A 7-kg marble has a head-on collision with a 3-kg marble, initially at rest on a playing surface.…

A:

Q: A cart of mass 300 g moving along a straight track hits a 500 g cart which I've been sitting still.…

A:

Q: 3 kg 3 kg v = 5 m/s Above shows an object at different positions. 3 kg v= 2 m/s 3 kg v= 0 m/s v=-4…

A: Momentum of an object is the product of mass and velocity of the object. Momentum is in the…