For the pulley system shown, mas A is moving upwards with a velocity VA= 2m/s upwards. What is the speed of mass B? B
Q: what is the kinectic energy of this Object at this point
A: Answer is 0.5 J. Find explanation in next step .
Q: In the physics Lab the students release a 0.800 kg cart from the top of a ramp. It reaches a speed…
A: PEtop=KEbottommgh=0.5mv2h=0.5v2g
Q: The car's mass is 923 kg. The trampoline just keeps the car off the ground. Calculate the kinetic…
A:
Q: A 1.0 lbm piece of foam accelerates at 100 g’s for 0.25 seconds. (Use g = 32 ft/s^2). a) How fast is…
A: Given m1=1 lbm (mass of foam) u1= 0 (initial velocity of foam) a1=100g=100*32=3200 ft/s2…
Q: A spring is used to launch a mass along a horizontal frictionless surface. Before launch, a force of…
A: Initial equilibrium force, Mass, Spring constant, Initial speed of the mass,
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: A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown…
A: Given:Mass of the object = 2 kgInitial speed of the object = 1 m/s
Q: A 3 kg pendulum bob on a string 5 m long is released with a velocity of 3 m/s when the support…
A: Given data: Mass (m) = 3 kg Length (L) = 5 m Initial velocity (u) = 3 m/s Angle (θ) = 25°, with the…
Q: The system of two masses (M and m) shown below is released from rest. Calculate the speed of mass…
A:
Q: Determine the velocity of a scooter with a kinetic energy of 2132721327 J and a mass of 926.0926.0…
A:
Q: (d) particle. What is the maximum possible magnitude of the energy transferred? Starting from t = 10…
A:
Q: Which of the following bodies has the largest kinetic energy? Select one: a. Mass 2M and speed 3V b.…
A:
Q: In a football game, one player (a "tackle") running at a constant speed of 5 m/s tackles another…
A: Given quantities: mass of tackle (M) = 140 kg velocity of tackle before collision (u) = 5 m/s…
Q: The thrust generated by one jet engine creates a force of F = 51000 N. It takes the jet (with a mass…
A: The magnitude of the thrust is The mass of the jet is .The take-off distance is
Q: Dr. Evil has a tank of sharks with frickin' laser beams attached to their heads! His henchmen throw…
A:
Q: A.) A 7,300-kg truck runs into the rear of a 1,000-kg car that was stationary. The truck and car are…
A: A) Given that The mass of the truck is (M) = 7300Kg…
Q: A5.0 kg mass is dropped from a height of 10.0 m what is its speed just as it reaches the ground?
A: Given:- The mass of the object is m = 5.0 kg The height of the object is h = 10.0 m Find :- its…
Q: A car is parked at the top of a 70-m high hill. It slips out of gear and rolls down the hill. How…
A: solution as
Q: Determine the velocity of a pontoon boat with a kinetic energy of 314255314255 J and a mass of…
A:
Q: A Starting pitcher is able to pitch a .145 Kg baseball with a velocity of 40.0 m/s. What velocity…
A: Given that Mass of the baseball m = 0.145 kg Velocity of the baseball is v = 40 m/s Mass of the…
Q: A B 4 kg 3 m/s 2 kg What is the speed of A and B after collision? What is the change of kinetic…
A:
Q: Your friend throws a stone that has a mass of 4kg straight down from the top of a 175m tall building…
A:
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
Step by step
Solved in 2 steps with 2 images
- Ronaldo is playing outside and shoots a ball of mass 2 kg horizontally with a speed of 8.0 m/s toward a green cart. The mass of the green cart is 15 kg and it rolls at a speed of 1.0 m/s along a horizontal path with no friction. The ball gets stuck in the card. What is the velocity of the cart after the ball strikes it? What are the initial and final kinetic energies of the system? Is the energy conserved in this collision process? What type of collision process is it?! & OD. Mass 2M and speed 3V O E. Mass 3M and speed V *. 60 QUESTION 2 OA. Mass 3M and speed 2V Which of the following bodies has the largest kinetic energy? OB. Mass M and speed 4V OC. All four of the above have the same kinetic energy OA. 4.85 km/h and 39.8⁰ OB. 3.11 km/h and 39.8⁰ OC.3.73 km/h and 39.8⁰ OD.7.80 km/h and 39.8⁰ OE. 6.20 km/h and 39.8⁰ Two skaters collide and embrace in a completely inelastic collision. Alfred, with mass 83.0 kg, is originally moving east with speed 6.20 kmh. Barbara, with mass 55.0 MacBook UESTION 1 tion Status: are stuck kg, is originally moving north with speed 7.80 km/h. Find the magnitude and direction (with respect to +x direction) of the velocity of the couple after collision when theyAn object is initially held at rest from a height of 4 m. The object is then released. A. Use conservation of energy to find the velocity right before it hits the ground B. Use the position equation to find the time it takes to reach the ground.
- On the roller-coaster shown, a car is moving 10 m/s toward the right at point 1. Assuming no friction, calculate the speed of the car at point 4. 3 40 m 26 m 15 m 29.37 m/s 22.71 m/s 20.89 m/s 26.17 m/s A. D. В. 25.07 m/s Е. С. 24.29 m/s F.5. A 60 kg circus performer is swinging from a trapeze bar.A: She is 10 m off the ground with a speed v1. The spring-board platform below her is atits equilibrium length.B: She lets go of the trapeze bar and lands on th spring-board platform, which compresseswhen she lands on it. When she is stationary, she is 2 m off the ground and the springis maximally compressed.C: The spring-board extends and launches her back into the air. As soon as the spring istotally relaxed again, the performer is 3 m off the ground and has a speed v2.D: The performer lands on a platform 10 m above the floor, and she stands stationary. a. Her initial speed v1 = 10 m/s. What is her total energy at point A? b. Between points A and B, assume none of her energy is lost to heat or friction. Whenshe is stationary on the compressed platform at B, how much energy is stored in thespring-board platform? c. When the spring-board platform is fully released at point C, what must her speed v2 be?Part A Compute the kinetic energy, in joules, of an automobile of mass 1650 kg traveling at a speed of 56.0 km/h. Submit Correct Part B Previous Answers By what factor does the kinetic energy change if the speed is doubled? Submit | ΑΣΦ Request Answer BMW ?
- Please please answer both questions. I will really really upvote. ThanksA 0.12 kg egg is dropped from a height of 2m and falls into an egg catcher.a. How fast is the egg traveling when it falls into the catcher from the height of 2m?b. If the catcher takes 0.2 seconds to bring the egg to a stop, what average force acts on the egg during the catch?