Answered: kinetic energy

Science

Physics

kinetic energy

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Momentum And Collisions

Section: Chapter Questions

Problem 31P

See similar textbooks

Related questions

Q: If a projectile with a mass of 8.90 g is traveling at a speed of 1.11 km/s, determine the following.…

A: Given data *Mass of the projectile is m = 8.90 g *Speed of the projectile is v = 1.11 km/s

Q: If the velocity of an object doubles, how the momentum and the kinetic energy of the object change?…

A: Consider an object of mass m is moving with a velocity v. Show the expression for the initial…

Q: A moving object A of mass 1,370 kg and speed 3.5 m/s collides with a stationary object B of mass…

Q: An object has a kinetic energy of 299 J and a momentum of magnitude 28.9 kg · m/s. (a) Find the…

A: a)The equation for the kinetic energy of the particle is given by Substitute the numerical values…

Q: An object is traveling such that it has a momentum of magnitude 24.7 kg · m/s and a kinetic energy…

Q: A rifle bullet of mass 10 g is fired with a velocity o f800 m/s into a ballistic pendulum of mass 5…

A: m1=Mass of bullet=10 gu1=Velocity of bullet=800 m/sm2=Mass of block=5 kgu2=Velocity of…

Q: The question is if A rock travels at speed v. If rock's mass is tripeld and its speed is reduced to…

A: The kinetic energy of the rock is smaller than in the first case, but momentum is the same

Q: A bullet is fired out of a gun with a velocity of 300 m/s, with respect to ground. If the bullet has…

Q: If the velocity of a moving body is doubled, what does this do to kinetic energy and momentum of the…

Q: What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900 m/sec in…

A: Power is the rate of doing work.P=W∆t...(1) We have work done defined as W=F.S,.....(2) force…

Q: An unstable uranium-238 suddenly bursts apart (fission) into thorium-234 (3.886×1025 kg) and…

Q: An object has a kinetic energy of 250 J and a momentum of magnitude 24.2 kg · m/s. (a) Find the…

Q: as shown in fig (1),m2 = 2 kg, h2 = 3 m ,ml = 4 kg, , hl = 0.95 m, and uk = 0.25. estimate (a) the…

A: Mass of the hanging object is m1 = 4 kg Mass of the object on the table is m2 = 2 kg Height of the…

Q: A bullet was fired at the trunk of a tree. If the mass of the bullet is 25 grams and has a speed of…

Q: An object has a kinetic energy of 275 J and a linear momentum of magnitude 25kg m/s. Find the mass…

A: 1.14 kg

Q: An object has a kinetic energy of 314 J and a momentum of magnitude 25.4 kg m/s. (a) Find the speed…

Q: A collision between two isolated objects will: always conserve the total momentum but not always the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4. An object has a kinetic energy of 227 J and a momentum of magnitude 26.6 kg m/s. (a) Find the…

Q: A moving object has a kinetic energy of 2.15 J and a momentum of magnitude of 2.94 kg.m/s. Find the…

A: Given : Kinetic energy of object (K) = 2.15 J Momentum (p) = 2.94 kg.m/s

Q: A spring with spring constant k = 3.75 N/cm is compressed 7.00 cm. A 1.50 kg mass is placed next to…

A: k = 3.75 N/cm = 375 N/m compression = 7 cm = 0.07 m m = 1.5 kg M = 2 kgInitial energy =…

Q: An object has a kinetic energy of 230J and a linear momentum of magnitude 43 kg m/s. Find the mass…

Q: What happens when the speed of a moving object is halved? its momentum is halved its KE is halved…

A: Solution: Given: What happens when the speed of a moving object is halved? Choose the correct…

Q: A 2 kg ball moving due east at 8 m/s collides head-on with a 1 kg mass moving due west at 7 m/s. If…

A: Given: Ball mass, m1=2 kg & it's initial velocity, u1=8 m/s towards E. Ball mass, m2=1 kg &…

Q: An object has a kinetic energy of 350 J and a linear momentum of magnitude 25kg m/s. Find the mass…

A: Given Kinetic energy of the object = 350 J Linear momentum = 25 kg m/s Mass of object = M=???

Q: if the velocity of the moving body is doubled, what does this do to kinetic energy and momentum of…

Q: You have been asked to design a "ballistic spring system" to measure the speed of bullets. A spring…

A: Solution:

Q: particle has a mass of 1.55 g and is moving at an average velocity of 11.5 cm/s. Calculate the…

Q: f an object has kinetic energy, it must also have A. Potential energy B. Momentum C. Power D. Impuls

Q: kinetic energy of the projectile in kilojoules

Q: An object of mass 3.0 kg attached to a spring with a spring constant of k = 185 N/m rests on a…

Q: 2) (A jas shown in fig (1),m2 = 2 kg, h2 = 3 m ,ml = 4 kg. , hl = 0.95 m, and uk = 0.25. estimate…

A: Given data: Masses: m1=4 kg; m2=2 kg Height: h1=0.95 m; h2=3 m Coefficient of kinetic friction,…

Q: An unstable atomic nucleus of mass 1.68 10-26 kg initially at rest disintegrates into three…

A: Mass of unstable nucleus, M = 1.68 x 10-26 kg Mass of one particle , m1 = 5.04 x 10-27 kg Velocity…

Q: the velocity of the water is 2 m/s, the equivalent energy/mass of water due to velocity is…

Q: Which of the following has the greatest kinetic energy? * an object with a mass of 4m and a velocity…

A: Given data: Different objects with mass and velocities Required: Object that has greatest kinetic…

Q: Particle A and particle B are held together with a compressed spring between them.When they are…

Q: Two objects of masses mi=0.56 kg and m2*0.88 kg are placed on a horizontal frictionless surface and…

Q: A system consists of a 2-kg object moving to the left at 6.0 m/s, and a 3.0 kg object moving to the…

Q: Which of the following is NOT a condition for momentum to be conserved? A. The system must be…

A: As we know that momentum of a system is given by formula -…

Q: If a Saturn V rocket with an Apollo spacecraft attached had a combined mass of 2.9 × 105 kg and…

A: Given value--- mass m = 2.9 × 105 kg. speed = 12 km/s. We have to find --- kinetic energy?

Q: An object has a kinetic energy of 221 J and a momentum of magnitude 29.1 kg m/s. (a) Find the speed…

A: Given data: Kinetic energy (K) = 221 J Momentum (P) = 29.1 kg.m/s Required: Speed and mass of the…

Q: An object has a kinetic energy of 226 J and a momentum of magnitude 20.7 kg · m/s. a). Find the…

Q: What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900m/sec in…

Q: During the motion of a projectile fired from the earth surface, _______ A) its kinetic energy…

A: When a projectile is fired from the surface of Earth, the velocity of the projectile does not remain…

Q: In a certain system of absolute units the acceleration produced by gravity in a body falling freely…

A: Given data: Mass, m=20 kg Acceleration in absolute unit, a=4.9 Kinetics energy in absolute unit,…

Q: A soccer ball of mass m = 0.75 kg dropped from a height h = 4.9 m bounces off the grass. The ball…

A: The law of conservation of energy states that the total energy of an isolated system should remain…

Concept explainers

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.

Question

If a projectile with a mass of 9.00 g is traveling at a speed of 1.21km/s, determine the following.

(a) kinetic energy of the projectile in kilojoules
1 kJ

(b) kinetic energy of the projectile in kilojoules, if its speed is reduced by a factor of two
2 kJ

(c) kinetic energy of the projectile in kilojoules, if its original speed is increased by a factor of three
3 kJ

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

A hockey puck of mass 150 g is sliding due east on a frictionless table with a speed of 10 m/s. Suddenly, a constant force of magnitude 5 N and direction due north is applied to the puck for 1.5 s. Find the north and east components of the momentum at the end of the 1.3-s interval.
The momentum of an object is increased by a factor of 4 in magnitude. By what factor is its kinetic energy changed? (a) 16 (b) 8 (c) 4 (d) 2 (e) 1
If a projectile with a mass of 8.90 g is traveling at a speed of 1.11 km/s, determine the following. The kinetic energy (in kJ) of the projectile in kilojules is 5.48. What is the kinetic energy (in kJ) of the projectile in kilojoules, if its speed is reduced by a factor of two?
A bullet is fired out of a gun with a velocity of 300 m/s, with respect to ground. If the bullet has a mass of 0.06 kg and the gun has a mass of 1.5 kg, what percentage of the total kinetic energy (of the bullet and gun) does the bullet have?
At one instant, a force acts on a 0.5 kg object that has a position vectorr⃗ = (3.0 î− 2.0 k̂) m and a velocity vector v⃗ = (−4.0 î+ 4.0 k̂) m/s. Find the object’sangular momentum with respect to the origin in unit-vector notation.
Two objects of masses mi=0.56 kg and m2*0.88 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 280 N/m is placed between them Neglect the mass of the spring The spring is not attached to either object and is compressed a distance of 9.8 cm. If the objects are released from rest find the final velocity of cach object.
A Vulcan spaceship has a mass of 6.50 × 104 kg and a Romulan spaceship is twice as massive. Both have engines that generate the same total force of 9.50 × 106 N. If each spaceship fires its engine for the same amount of time, starting from rest and ignoring any change in mass due to whatever is expelled by the engines, calculate the energy of the Vulcan spaceship if the engines are fired for 102 s.
A 0.203 kg baseball is pitched to a batter with an initial speed of 18.4 m/s, if the bat delivers a force of 2.09E3 N for a time of 0.00300 s, what speed does the baseball have as it is hit back towards the pitcher?
The question is if A rock travels at speed v. If rock's mass is tripeld and its speed is reduced to v/3, which of the statements is true? The kinetic energies of the rocks are the same in both cases. The kinetic energy of the rock is smaller than in the first case, but momenta is same. The kinetic energy of the rock is 1/9 its previous value. The kinetic energy of the rock is smaller than in the first case but momentum is larger.
if the velocity of the water is 2 m/s, the equivalent energy/mass of water due to velocity is approximately: A: 1 J/kg B: 2 J/kg C: 10 J/kg D: 20 J/kg
A rocket of mass 1.7x104 kg accelerates at 215 m/s2 for 21 s from an initial speed of 5031 m/s. How much kinetic energy (in J) has the rocket gained?
With a cue, the billiard ball is hit with an average force of 50 N within 10ms. If the mass of the ball is 0.20kg, what speed will the ball gain after the cue stroke?