A pitcher throws a 0.70 kg ball of clay at a 2.0 kg block of wood. The clay sticks to the wood on impact, and their joint velocity afterward is 1.4 m/s. What was the original speed of the clay (in m/s)?
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A: As per guidelines I am answering first questions only.
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- A woman with a mass of 59 kg runs at a speed of 6 m/s and jumps onto a giant 30 kg skateboard initially at rest. What is the combined speed of the woman and the skateboard?147. A 2.0-kilogram cart traveling north at 4.0 meters per second collides head on with a 1.0-kilogram cart traveling south at 8.0 meters iper second. What is the magnitude of the total momentum of the two carts immediately after the collision? (1) 0.0 kg m/s (2) 8.0 kg · m/s (3) 16 kg m/s (4) 32kg m/sA 1.2kg ball is traveling to the right at 4.5m/s. It collides with a 2.1kg ball moving to the left at 1.5m/s. The collision is totally elastic. What is the velocity of the 2.1kg ball after the collision?
- A 6.2 g bullet is fired into a 179 g block that is initially at rest at the edge of a frictionless, 0.6 m high table. The bullet remains in the block, and after impact, the block lands 2.9 m from the edge of the table. What was the speed of the bullet before impact?A 50 lb child runs at 2.0 m/s and jumps onto a shopping cart and holds on for dear life. The cart has a mass of 40 kg. Assuming the child rides on the cart after the collision. What is the speed of the child and shopping cart just after the child jumps on is? 3.Betty (mass 35 kg) stands on an ice rink as Bubbles (her hyperactive puppy, mass 8.6 kg)) runs towards her and leaps into her arms. If they move off together with a speed of 0.76 m/s, how fast (in m/s) was Bubbles moving when Betty caught her?
- MO-6 The Meteor Crater in Arizona is about 1,200m wide and 200m deep. It is believed to have been formed 20,000 years ago when a meteor with a mass of 5.0x10"kg moving at 7.2km/s collided and merged with the earth. If the earth had been at rest prior to the collision, what would the speed of the earth have been after this collision? The mass of the earth is 5.98x10"kg. 24A 3.25 µg particle moves at 2.09 × 10° m/s. What is its momentum p? p = kg-m/sA 13.8 kg block is sliding along a frictionless surface with a speed of 95.7 m/s. It collides with a second block of mass 93.1 kg. The second block is initially at rest. After the collision, the first block has rebounded with a speed of 26.1 m/s. If this collision is one dimensional, what is the speed in (m/s) of the second block after the collision?
- ent ENT Student Answers Page of 5 D. The collision of the egg and the cloth sheet had a longer duration and lower force. A 14 kg-m/s B. 50 kg-m/s 70 kg m/s 140 kgm/s 9. A 5-kilogram ball falls 10 meters. What is the change in momentum of the ball during the fall? C. ► 3 D.Bob and Tom take a sled weighing 10 N to a frozen pond. The sled is initially at rest on the ice. Bob who weighs 490 N runs at 2 metres per second and jumps on the sled. A few seconds later, Tom who weighs 540N runs at 4 metres per second and jumps on the sled with Bob. Keep all values to 3 decimal places. A)What is the velocity of the sled after Bob jumps on to it? B)What is the velocity of the sled after Tom jumps on it?what is the magnitude of the momentum of a 0.26kg ball traveling at 42 m/s