A boxer punches a 50-kg bag. Just as his fist hits the bag, it travels at...
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boxer punches a 50-kg bag. Just as his fist hits the bag, it
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kg m/s hits a nomentum of the ball is(5 wall and bounces straight back with the...
kg m/s hits a nomentum of the ball is(5 wall and bounces straight back with the sam B. +4.0 kg-m/s C8.0kgm/s. Questions 2, 3; A 6.0 kg object moving north at a speed of 3.0 m/s, collides with a 4.0kg objot moving sous D.-8.0kgm/s Enone of the with speed of 6.0 m/s. On collision, the two objects stick togetber and move s one cbject 2. The magnitude of the sum of the linear momentum of the two objects just aher...
6. A 50-kg front seat passenger in a car moving initially with a speed of 25...
6. A 50-kg front seat passenger in a car moving initially with a speed of 25 m/sisbr rest by an air bag in a time of 0.4 s a) What is the impulse acting on the passenger? b) What is the average force acting on the passenger in this process?? 7. A ball traveling with an initial momentum of 5.0 kg.m/s bounces off a wall and comes back in the opposite direction with a momentum of -4.5 kg.m/s a) What...
For the purposes of this problem, use the following data: mass of Comet 67P is 1...
For the purposes of this problem, use the following data: mass of Comet 67P is 1 times 10^13 kg; radius of Comet 67P is 2.30 km; mass of Philae = 100 kg; mass of Rosetta = 1000 kg; radius of Rosetta's orbit was 22.3 km (a) What is the acceleration due to gravity on the surface of the comet, where Philae is? m/s^2 (b) What is the escape speed at the surface of the comet? This is the speed above...
A Two-Body Collision with a Spring A block of mass m,-1.9 kg initially moving to the...
A Two-Body Collision with a Spring A block of mass m,-1.9 kg initially moving to the right with a speed of 3.2 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 - 3.9 kg initially moving to the left with a speed of 1.8 m/s as shown in figure (a). The spring constant is 505 N/m in A moving block collides with another moving block with a spring attached: (a) before...
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a...
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...
On November 12, 2014, the Philae lander separated from the European Space Agency's Rosetta spacecraft, and...
On November 12, 2014, the Philae lander separated from the European Space Agency's Rosetta spacecraft, and made a lancing (after bouncing twice) on a comet known as 67P/Chunyumov -Gerasimenko. In this problem, we will explore the Gravitational environment that Rosetta (orbiting the comet) and Philae (on the comet's surface) experienced. On September 30, 2016, Rosetta crashed (as planned) on the comet. We will use a very simple model of the comet, modeling it as a perfect sphere. This is not...
C. Now calculate your velocity and kinetic energy just before you hit the wall. (5pts) (if...
C. Now calculate your velocity and kinetic energy just before you hit the wall. (5pts) (if you couldn't do the previous problem, say that the momentum of you + the wall was 210 kg*m/s) d. A bit later in the evening, you go back for a second try... Running forward at a velocity of 9.00m/s, you don't notice that someone has removed the padding from the wall! Luckily, you are wearing a helmet, and you collide head-first with the wall,...
1. A pole is held vertically by attaching wires at a height of 13.4 m above...
1. A pole is held vertically by attaching wires at a height of 13.4 m above the ground. The other end of each wire is anchored in the ground at a distance of 9.54 m from the base of the pole. The pole makes a right angle with the ground. What is the length of each wire? 2. A bug crawls 2.25 m along the base of a wall. Upon reaching a corner, the bug's direction of travel changes from...
A1300-kg can travels at 22 m/s and then quickly stops in 3.6 s to avoid an obstacle What is the i...
A1300-kg can travels at 22 m/s and then quickly stops in 3.6 s to avoid an obstacle What is the initial speed of the car in mph? mph Submit Answer Tries 0/2 What is the initial kinetic energy of the car in kilojoules (kJ)? kJ Submit Answer Tries 0/2 What is the initial momentum of the car? kg*m/s Submit Answer Tries 0/2 What is the magnitude of the impulse necessary to stop the car? kg*m/s Submit Answer Tries 0/2 What...
The Sidewinder is a shuttle type steel rollercoaster. The rollercoaster cart starts at the bottom of...
The Sidewinder is a shuttle type steel rollercoaster. The rollercoaster cart starts at the bottom of the frictionless track and is accelerated from a stand still over a distance of 7 meters. Then the cart enters the loop, rises to the top with just enough velocity to keep from stalling at the top of the loop. Gaining velocity the cart finishes the loop, bottoms out, and then rises up the vertical segment of the track. After stalling out at a...
kg m/s hits a nomentum of the ball is(5 wall and bounces straight back with the sam B. +4.0 kg-m/s C8.0kgm/s. Questions 2, 3; A 6.0 kg object moving north at a speed of 3.0 m/s, collides with a 4.0kg objot moving sous D.-8.0kgm/s Enone of the with speed of 6.0 m/s. On collision, the two objects stick togetber and move s one cbject 2. The magnitude of the sum of the linear momentum of the two objects just aher...
6. A 50-kg front seat passenger in a car moving initially with a speed of 25 m/sisbr rest by an air bag in a time of 0.4 s a) What is the impulse acting on the passenger? b) What is the average force acting on the passenger in this process?? 7. A ball traveling with an initial momentum of 5.0 kg.m/s bounces off a wall and comes back in the opposite direction with a momentum of -4.5 kg.m/s a) What...
For the purposes of this problem, use the following data: mass of Comet 67P is 1 times 10^13 kg; radius of Comet 67P is 2.30 km; mass of Philae = 100 kg; mass of Rosetta = 1000 kg; radius of Rosetta's orbit was 22.3 km (a) What is the acceleration due to gravity on the surface of the comet, where Philae is? m/s^2 (b) What is the escape speed at the surface of the comet? This is the speed above...
A Two-Body Collision with a Spring A block of mass m,-1.9 kg initially moving to the right with a speed of 3.2 m/s on a frictionless, horizontal track collides with a spring attached to a second block of mass m2 - 3.9 kg initially moving to the left with a speed of 1.8 m/s as shown in figure (a). The spring constant is 505 N/m in A moving block collides with another moving block with a spring attached: (a) before...
on a frictionless table collides with a stationary 7. A 10 kg ball moving at a velocity of 2 m/s 5 kg ball. Find the final velocity of each ball if the collision is inelastic? If the collision is elastic and the 10 kg ball comes to a complete stop, what is the final velocity of the second ball? 8. A woman stands at the center of a platform. She is holding a dumb-bell in each hand, and outstretched. The...
On November 12, 2014, the Philae lander separated from the European Space Agency's Rosetta spacecraft, and made a lancing (after bouncing twice) on a comet known as 67P/Chunyumov -Gerasimenko. In this problem, we will explore the Gravitational environment that Rosetta (orbiting the comet) and Philae (on the comet's surface) experienced. On September 30, 2016, Rosetta crashed (as planned) on the comet. We will use a very simple model of the comet, modeling it as a perfect sphere. This is not...
C. Now calculate your velocity and kinetic energy just before you hit the wall. (5pts) (if you couldn't do the previous problem, say that the momentum of you + the wall was 210 kg*m/s) d. A bit later in the evening, you go back for a second try... Running forward at a velocity of 9.00m/s, you don't notice that someone has removed the padding from the wall! Luckily, you are wearing a helmet, and you collide head-first with the wall,...
A1300-kg can travels at 22 m/s and then quickly stops in 3.6 s to avoid an obstacle What is the initial speed of the car in mph? mph Submit Answer Tries 0/2 What is the initial kinetic energy of the car in kilojoules (kJ)? kJ Submit Answer Tries 0/2 What is the initial momentum of the car? kg*m/s Submit Answer Tries 0/2 What is the magnitude of the impulse necessary to stop the car? kg*m/s Submit Answer Tries 0/2 What...
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