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What is the momentum of a 108-kilogram fullback moving at 5.60 m/s ? A 605 kg...
39. (4 pts) A 500-g mass drops from a height of 10.0 meters. What is its...
39. (4 pts) A 500-g mass drops from a height of 10.0 meters. What is its speed just before it hits the ground? 40. (4 pts) A flight attendant pulls a wheeled suitcase, applying a 66-N force at a 35° angle to the horizontal. How much work does she do in pulling the suitcase 45 m? 41. (4 pts) A 1525-kg car drives up a mountain road a vertical rise of 1301 m from the base elevation in 30. min...
86.bg PART TWO: DATA AND RESULTS Metal: Aluminum (Cal = 0.217 cal/qE)-specific granity Data Item Trial...
86.bg PART TWO: DATA AND RESULTS Metal: Aluminum (Cal = 0.217 cal/qE)-specific granity Data Item Trial 1 Trial 2 1. Mass of metal 50.og 2. Mass of calorimeter 3. Mass of calorimeter and water 124.49 4. Mass of water 120g 5. Initial temperature of water 24°C 23°C 6. Initial temperature of the metal 25°C 75°C 7. Final temperature of the mixture 21.11°C 152.6 g 8. Calculation of the heat energy gained by the water, Q Trial Onc: Trial Two: see...
A fullback with a mass of 100 kg and a velocity of 3.0 m/s due west...
A fullback with a mass of 100 kg and a velocity of 3.0 m/s due west collides head-on with a defensive back with a mass of 86 kg and a velocity of 4.5 m/s due east. (Take the positive direction to be to the west.) (a) What is the initial momentum of each player? momentum of full back kg · m/s momentum of defensive back kg · m/s (b) What is the total momentum of the system before the collision?...
1. A 30.00 kg mass moving with the velocity of 10 m/s. The momentum of the...
1. A 30.00 kg mass moving with the velocity of 10 m/s. The momentum of the body will be A. 144.2 kg m/s. B. 187.8 kg m/s. C. 320.0 kg m/s. D. 442.4 kg m/s. E. None of the above 2. Out of the following which one is not a vector quantity? A. Force B. Impulse C. Mass D. velocity 3. Impulse is the product of which two quantities? A. Mass and Time B. Mass and Momentum C. Force and...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far does the car travel before stopping? th a constant braking force of 10. A baseball batter hits an incoming 45 m/s fastball. The ball leaves the bat at 55 m/s after a ball-on-bat contact time of 0.025 s. What is the force exerted on a 0.15-kg baseball? (choose + direction) 11. A trapeze artist, with swing, weighs 800 N; he is momentarily held horizontal...
question 2-4 please 1. Two boxes are connected by a light cord, which runs over a...
question 2-4 please
1. Two boxes are connected by a light cord, which runs over a below. The coefficient of friction is 0.54. mi = 5 kg and m2 4 kg. a) Find the acceleration of the system. b) Find the tension in the cord (2 pts.) pulley. See fig. m2 2. The 3.5 kg mass on the incline frictionless plane shown below moves upwards under the action of a force of 18.08N parallel to the surface. The force acts...
1. a. A truck of mass 2000 kg is moving with a velocity of 20 m/s....
1. a. A truck of mass 2000 kg is moving with a velocity of 20 m/s. If on applying brakes, the truck stops after coming to a distance of 40 m, find the retarding force? b. A car of mass 1000 kg moving with a velocity of 90 km/h collides with a tree and comes to stop in 10 s. What is the change in momentum of the car? What is the force applied by the tree to stop the...
A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds. What...
A 1000-kg car moves as speed from 10 m/s to 30 m/s in 20 seconds. What is the average speed? What is the acceleration? What is the average force acting upon it? If the car turns along a circle at 5 m/s around a curve 30 meters in radius, how big the centripetal force is needed?
Three particles are held at rest at position (0,0) m. When released, the particles apply a...
Three particles are held at rest at position (0,0) m. When released, the particles apply a momentary repelling force on each other. Particle A has a mass of 2.5 kg and has a final velocity of 3.0 m/s at 70°. Particle B has a mass of 0.15 kg and has a final velocity of 5.5 m/s at 270°. Particle C has a mass of 0.65 kg. What are the horizontal and vertical components of particle C’s final velocity? (8 pt...
A car is moving at a speed of 60 m/s, when the driver applies the brakes,...
A car is moving at a speed of 60 m/s, when the driver applies the brakes, which causes a deceleration of 2 m/s2. How many seconds will it take for the car to stop and how far will it travel till it stops? 30 sec, 450 meters 25 sec, 800 meters 30 sec, 1800 meters 20 sec, 900 meters 30 sec, 900 meters Flag this Question Question 192 pts You throw a ball downward from a height of 5 meters...
39. (4 pts) A 500-g mass drops from a height of 10.0 meters. What is its speed just before it hits the ground? 40. (4 pts) A flight attendant pulls a wheeled suitcase, applying a 66-N force at a 35° angle to the horizontal. How much work does she do in pulling the suitcase 45 m? 41. (4 pts) A 1525-kg car drives up a mountain road a vertical rise of 1301 m from the base elevation in 30. min...
86.bg PART TWO: DATA AND RESULTS Metal: Aluminum (Cal = 0.217 cal/qE)-specific granity Data Item Trial 1 Trial 2 1. Mass of metal 50.og 2. Mass of calorimeter 3. Mass of calorimeter and water 124.49 4. Mass of water 120g 5. Initial temperature of water 24°C 23°C 6. Initial temperature of the metal 25°C 75°C 7. Final temperature of the mixture 21.11°C 152.6 g 8. Calculation of the heat energy gained by the water, Q Trial Onc: Trial Two: see...
1. A 30.00 kg mass moving with the velocity of 10 m/s. The momentum of the body will be A. 144.2 kg m/s. B. 187.8 kg m/s. C. 320.0 kg m/s. D. 442.4 kg m/s. E. None of the above 2. Out of the following which one is not a vector quantity? A. Force B. Impulse C. Mass D. velocity 3. Impulse is the product of which two quantities? A. Mass and Time B. Mass and Momentum C. Force and...
rack of mass 1500 kg moving at 30 m/s is braked suddenly wit 1000-V. How far does the car travel before stopping? th a constant braking force of 10. A baseball batter hits an incoming 45 m/s fastball. The ball leaves the bat at 55 m/s after a ball-on-bat contact time of 0.025 s. What is the force exerted on a 0.15-kg baseball? (choose + direction) 11. A trapeze artist, with swing, weighs 800 N; he is momentarily held horizontal...
question 2-4 please
1. Two boxes are connected by a light cord, which runs over a below. The coefficient of friction is 0.54. mi = 5 kg and m2 4 kg. a) Find the acceleration of the system. b) Find the tension in the cord (2 pts.) pulley. See fig. m2 2. The 3.5 kg mass on the incline frictionless plane shown below moves upwards under the action of a force of 18.08N parallel to the surface. The force acts...
1. a. A truck of mass 2000 kg is moving with a velocity of 20 m/s. If on applying brakes, the truck stops after coming to a distance of 40 m, find the retarding force? b. A car of mass 1000 kg moving with a velocity of 90 km/h collides with a tree and comes to stop in 10 s. What is the change in momentum of the car? What is the force applied by the tree to stop the...
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