A 22-g bullet traveling 285 m/s penetrates a 2.0 kg block of wood and emerges going 140 m/s. Part A If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units. HÀ m vg = 1.1 S

A 22-g bullet traveling 285 m/s penetrates a 2.0 kg block of wood and emerges going 140 m/s. Part A If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units. HÀ m vg = 1.1 S

Name: ConstantsA 22-g bullet traveling 285 m/s penetrates a2.0 kg block of
Uploaded: 2024-03-20T06:57:37.000Z
Channel: Bartleby
Description: ConstantsA 22-g bullet traveling 285 m/s penetrates a2.0 kg block of wood and emerges going140 m/s.Part AIf the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?Express your answer to two signifi

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 8.1OQ: You hold a slingshot at arms length, pull the light elastic band back to your chin, and release it...

See similar textbooks

Similar questions

In a head-on, inelastic collision, a 4,000-kg truck going 10 m/s east strikes a 1,000-kg car going 20 m/s west. (a) What is the speed and direction of the wreckage? (b) How much kinetic energy was lost in the Collision?
You hold a slingshot at arms length, pull the light elastic band back to your chin, and release it to launch a pebble horizontally with speed 200 cm/s. With the same procedure, you fire a bean with speed 600 cm/s. What is the ratio of the mass of the bean to the mass of the pebble? (a) 19 (b) 13 (c) 1 (d) 3(e) 9
An object that has a small mass and an object that has a large mass have the same momentum. Which object has the largest kinetic energy?
A student throws a 110 g snowball at 8.5 m/s at the side of the schoolhouse, where it hits and sticks. ▼ Part A What is the magnitude of the average force on the wall if the duration of the collision is 0.19 s? Express your answer with the appropriate units. F=-3.68 Submit HA Provide Feedback N ? Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Next >
4. A 63kg astronaut is on a spacewalk when the tether line to the shuttle breaks. The astronaut is able to throw a spare 10kg oxygen tank in a direction away from the shuttle with a velocity of 12m/s, propelling the astronaut back to the shuttle. Assuming the astronaut and tank started at rest, what is the astronaut's final velocity after throwing the tank? GU E 99+ SI
1. A 32.00kg child runs with a speed of 6.00m and jumps onto a 20.00kg sled initially at rest on a flat bed of snow (no friction). What is the resultant speed of the child and sled after the child is atop the sled? S m S 2. The child-sled combo travel at velocity 12.00 and collide with a large snow bank, coming to rest after a 0.37s collision. What is the magnitude of the average force exerted on the child-sled combo by the snow bank during the collision? O 1037.84 N 518.59 N 1686.49 N 648.65 N m S
A 0.450 kg hammer is moving horizontally at 9.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. a. Calculate the duration of the impact in seconds. b. What was the average force in newtons exerted on the nail? _______ N
Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.50 cm during a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s. Think & Prepare 1. Make note of what's given and what's unknown. Relate known quantities to symbols. 2. Draw a labeled sketch if possible. 3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if possible. 4. Insert numerical quantities to solve for unknowns. 5. Does the answer make sense? (a) Calculate the change in kinetic energy of the glove and arm. Enter to 3 significant figures AKE= J Note: AKE = KE final-KE initial (b) Where does this energy go? O into doing work against the force exerted by the face against the glove O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm (c) Calculate the force exerted on the boxing glove by the opponent's face. Consider the relative…
A very light object moving with speed v collides head-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed of the heavy object after the collision is ____a. slightly greater than vb. equal to v c. slightly less than vd. much less than v
4. A 5 kg block slides from rest down an L = 2.5 m long 25° incline. At the bottom, it undergoes an elastic collision with a 10 kg block sending it towards a 35° incline. After the collision, how far along its incline does each block go? The surface is frictionless. 35 jnitial final 2.5 m
A 10 g rifle bullet is fired onto a 2 kg block of wood hanging at rest from a string attached to the ceiling. The bullet embeds onto the wood which is observed to rise a maximum height of 0.25 m. The initial velocity of the bullet is about O Vo a. 222 m/s O b. 2.21 m/s O c. 4.92 m/s O d. 444 m/s B 0 8 B
Find the final velocity (v,). Note that left is negative and right is positive Before Collision After Collision v=10m/s v=12m/s, v=2m/s, V=??? 4kg m= 3 kg m= 4kg m=3 kg VF. m/s