A 20-g bullet is fired into a 5.0 kg ballistic pendulum initially at rest and becomes embedded in it. The pendulum subsequently rises a vertical distance of 17 cm. What was the initial speed of the bullet? (g = 9.8) my + My My CD 385,1 458,1 512,8 640,0 724, 0 A B E
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- You fire a bullet at a ballistic pendulum. The large block of wood has a mass M2 = 3 kg, and the bullet has a mass of m1 = 35 g. The bullet completely penetrates the wood and emerges with a speed of vf = 80 m/s. The wood, as part of a pendulum, swings up to a maximum height of h = 11 cm. (a) Determine the speed of the block of wood after the bullet has passed through it. m/s(b) What is the speed of the bullet just before it hits the block? m/s(c) If the pendulum length is 0.8 m, what angle does the pendulum string make with the vertical when it reaches the top of its swing? degreesA 4.00 g bullet travelling horizontally with a magnitude of 440 m/s is tired into a wooden block with a mass of 0.80 kg intitially st rest on a level surface. The bullet passes through the block and emerges with its speed reduced to 160 m/s. What is the speed of the block just after the bullet has passed through the block? - 14 m/s - 1.4 m/s - 3.0 m/s - 12 m/sA small ball of mass mb = 0.050 kg is projected into a pendulum of mass Mp = 0.200 kg in a ballistic pendulum experiment. How fast does the ball need to go in order to get the pendulum to swing up to a height of h = 0.25 m above its original position? 2.21 m/s 0.111 m/s 11.1 m/s 0.553 m/s
- . What is the initial kinetic energy in joules of the bullet in problem 1? What is the final kinetic energy of the combined bullet/pendulum?There is a large crater in Arizona called Meteor Crater. It is estimated that it was formed about 20,000 years ago by a meteorite that had a mass of about 5 x 10^10 kg and was traveling at a speed of 7.5 km/sec. How fast could this meteorite have hit the Earth (whose mass is 6 x 10^24 kg) if we assume a head-on collision?9
- A bullet, with mass 0.008 kg is fired into a block of wood with mass 1.96 kg suspended like a pendulum. The bullet makes a completely inelastic collision with the block, becoming embedded in it. After the impact of the bullet, the block swings up to a maximum height 0.079 m. Find the initial speed of the bullet? a) DVB V₂ Δε C M ب 6) /// hJ دو ► M+mA bullet of mass 27.0 grams is shot horizontally into a long rod with a wooden block of mass 2.00 kg on the end. The block is initially at rest. The bullet has an original velocity of 250 m/s. After the bullet fully embeds into the block, the block and the bullet swing upward. The wooden rod is 1.40 meters long To what maximum angle, theta, does the pendulum swing after the collision? O 69 degrees O 41 degrees O 53 degrees O 23 degreesA 15 gram bullet is fired horizontally into a 0.836 kg wooden block suspended from the ceiling. The bullet is embedded in the block. The block, with bullet inside, swings upward and rises a vertical distance of 0.38 m. What is the initial speed of the bullet before striking the block?