Question 7(F. s) In a perfectly elastic collision,momentum and kinetic energy of both collidingobjects:a. Become zeroO b. Remain the sameC. Decreased.IncreaseQuestion 9(5x----A 2200 kg car traveling at 30 m/scollides with another 2200 kg car that is at rest.The two bumpers lock and the cars move forwardtogether. What is their final velocity?a. 10 m/sb. 15 m/sc. 30 m/sd. 0 m/sQuestion 83) Which of the below indicates that thecollision is elastic?O a. Both objects get stuck together aftercollisionO b. Objects are hotter after collisionC.Objects are deformed after collisionQuestion 10F's) A 1000-kg car traveling initially with aspeed of 20 m/s in an eastern direction crashesinto the rear end of 2000-kg truck moving in thesame direction with a speed of 10 m/s. Thevelocity of the car right after the collision is 15m/s to the east. What is the velocity of the truckafter the collision?O a. 7.5 m/sO b.12.5 m/sO c.2.5 m/sd. 0 m/s

as per the guideline i have to solve only three question of yours

Question 7 1 1 (t. s) In a perfectly elastic collision, momentum and kinetic energy of both colliding objects: O a. Become zero O b. Remain the same O c. Decrease O d. Increase Question 9 (5-- - A 2200 kg car traveling at 30 m/s collides with another 2200 kg car that is at rest. The two bumpers lock and the cars move forward together. What is their final velocity? a. 10 m/s O b. 15 m/s O c. 30 m/s Question 8 collision is elastic? 3) Which of the below indicates that the a. Both objects get stuck together after collision b. Objects are hotter after collision OC. Objects are deformed after collision Question 10 F 's) A 1000-kg car traveling initially with a speed of 20 m/s in an eastern direction crashes into the rear end of 2000-kg truck moving in the same direction with a speed of 10 m/s. The velocity of the car right after the collision is 15 m/s to the east. What is the velocity of the truck after the collision? O a. 7.5 m/s O b. 12.5 m/s O c. 2.5 m/s

Question 7 1 1 (t. s) In a perfectly elastic collision, momentum and kinetic energy of both colliding objects: O a. Become zero O b. Remain the same O c. Decrease O d. Increase Question 9 (5-- - A 2200 kg car traveling at 30 m/s collides with another 2200 kg car that is at rest. The two bumpers lock and the cars move forward together. What is their final velocity? a. 10 m/s O b. 15 m/s O c. 30 m/s Question 8 collision is elastic? 3) Which of the below indicates that the a. Both objects get stuck together after collision b. Objects are hotter after collision OC. Objects are deformed after collision Question 10 F 's) A 1000-kg car traveling initially with a speed of 20 m/s in an eastern direction crashes into the rear end of 2000-kg truck moving in the same direction with a speed of 10 m/s. The velocity of the car right after the collision is 15 m/s to the east. What is the velocity of the truck after the collision? O a. 7.5 m/s O b. 12.5 m/s O c. 2.5 m/s

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

6. A 0.05 kg tennis ball initially traveling at 10 m/s is struck by a racket causing it to take off with a velocity of -30 m/s in the opposite direction. edmall bus a. What is the change in momentum of the ball? in 02 in 3* or Citation Chort to got silt to verda ish oldimdWs morod gilt is 100 llored to bolosy sdi altsW b. The ball is in contact with the racket for 0.08 seconds. What amount of force is applied to the ball? llid m 08 sell to act on ta 2518200ellored to viibolov adi ai tedW5
for question 3 answer A and B 3. A 2.3-kg object traveling at 6.1 m/s collides head-on with a 3.5-kg object traveling in the opposite direction at 4.8 m/s. a. If the collision is perfectly elastic, what is the final speed of the 2.3-kg object? b. What is the change in Kinetic Energy of the 2.3 kg object?
The 4.5 Mg truck shown below collides with the 1.75 Mg car. After the collision, they move forward together. 30 km/h 10 km/h 3c) Is energy conserved? Justify your response. (Hint: Examine the kinetic energy before and after the impact.)
Choose the correct answer of the following questions: 1. If no external impressed force acts on the system, the total momentum (G) of a system ... c. remains constant a. increases b. decreases d. none of the these 2. Which of the following cases momentum is conserved? (1 M) a. Perfectly elastic impact d. Momentum is always conserved c. Perfectly inelastic impact b. plastic impact with 0
A merry-go-round on a playground consists of a horizontal solid disk with a weight of 790 N and a radius of 1.54 m. A child applies a force 40.5 N tangentially to the edge of the disk to start it from rest. What is the kinetic energy of the merry go round disk (In ) after 1.05 a? Need Help? Headt
campus, a Toyota 3,000 lb) is traveling - At an intersection near the Prius (vehicle B, weight WB north at VB1 = weight WA = 5,010 lb) travels VA1 65 mph while a Ford F-150 (vehicle A, 35 mph south- = east (0 = 20°) when they slam into each other. They become entangled and move as one after the collision. Determine: a) The velocity (magnitude and direction) of the combined vehicles after the crash b) The efficiency of the collision. VA1 go DK₂ VB1 02
A body of weight 370 N body moving to the left with a velocity of 14 m/s collides with another body of weight 690 N body which is at rest. After impact the body which is moving before impact comes to rest. Find the final velocity of body after impact and the coefficient of restitution The final velocity of body after impact in m/s is The coefficient of restitution is
Three blocks (1,2,3) of mass 3.00 kg, 2.00 kg, 1.00 kg sit block 1 block 2 block 3 linearly 10.0 cm apart from each other on a frictionless surface. •> 3kg A 25 g bullet is shot at the first block, it travels through the first block, and embeds itself into the second block (without falling over) which then collides into the third block. a. Assuming the final collision is elastic, and the third block has a final velocity of 5.00 m/s, what is the velocity of block 2 just before it collides into block 3? b. What is the velocity of the bullet before it embeds itself into block 2? c. Assuming the bullet slowed down by only 10% while it travelled through block 1, what was the speed of block 1 after the bullet traveled through it?
The Block with a mass of 4-Kg is hung with a spring. The stiffness constant of the spring K = 10 N/cm. The block is at rest position at point A with a 4-cm stretched of spring. Block is pulled down immediately with a force F=100-N Calculate the velocity of block when it passes point B which is 5-cm away from point A. K. 10 N/cm. 4 kg. VA- O A 5.cm. F = 100-N ---- --- VB = ?
5) Assume a perfectly plastic impact as the 5-kg body falls from a height of 2.6 m onto a plate of mass 2.5 kg. This plate is mounted on a spring having a spring constant 1772 N/m. Neglect the mass of the spring as well as fric- tion, and compute the maximum deflection of the spring after impact. 2.6 m 5kg 2.5 kg K = 1772 N/m
Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A 75-Mg boxcar A is moving in a railroad switchyard with a velocity of 12.5 km/h toward cars Band C, which are both at rest with their brakes off at a short distance from each other. Car Bis a 30-Mg flatcar supporting a 40-Mg container, and car Cis a 70-Mg boxcar. As the cars hit each other, they get automatically and tightly coupled. v km/h A C В NOP Determine the velocity of car A immediately after each of the two couplings, assuming that the container slides after the first coupling but hits a stop before the second coupling occurs. km/h →. The velocity of car A after the first coupling is | The velocity of car A after the second coupling is km/h +.
4G !!: 4:24 A sulms.su.edu.om The 1000 kg roller coaster car is released from rest at A as shown in the figure below. Find the minimum height h of point A so that the car travels around the inside loop at B without leaving the track. (Use the principle of energy conservation). A B 7.5 m h 20 m O a. 23.75 m O b. 7.5 m O c. 21.6 m O d. 25.0 m Next page * Quiz navigation