A 5 kg object is fired straight up with an initial speed of 300 m/s. Ignore air resistance and set the initial height of the object at zero. Use g = 10m/s/s. Find the height of the object when its speed is 100 m/s.

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: Q15: A car is traveling at 20 Km/h. Another car. With half the mass, is traveling at 40 Km/h Which…

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Q: 3. A projectile of mass m = target of mass M = 2 kg and gets imbedded in it. Assuming that all the…

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Q: Question 1: The potential energy of a person is 780 Joule with mass of 20 kg who climbs a flig with…

A:

Q: A 6.4 kg block of wood resting on a platform was hit by a 48 g bullet travelling upward with a speed…

A: Given: M=6.4 kgm=48g=0.048 kgubullet=1124 m/sublock=0 m/svbullet=691 m/s

Q: A stuntman of mass 55 kg is to be launched horizontally out of a spring- loaded cannon. The spring…

A: Mass of stuntman (m) = 55 kg Spring coefficient (k) = 266 N/m Compression in spring (x) = 5 m Need…

Q: 1 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car moving away…

A: Given a 2500kg railroad car moving with a speed of 3 m/s is linked with a 3500 kg railroad car…

Q: Two pucks move towards each other on a frictionless track at 2.0 m/s. After collision, puck B moves…

A: Given that, Mass of puck A, mA = 0.4 kg Mass of puck B, mB = 0.3 kg The initial speed of puck A, uA…

Q: In an elastic head-on collision, a 0.60 kg cart moving at 5.0 m/s [W] collides with a 0.80 kg cart…

A: u is the initial velocity v is the final velocity mass of cart 1, m1 = 0.6kg (moving west) mass of…

Q: A 3.8 kg wooden block initially at rest is struck by a 8 g bullet that enters at 654 m/s and 34° and…

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Q: Question 1: The potential energy of a person is 780 Joule with mass of 20 kg who climbs a flight…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: A 60.0 kg skier with an initial speed of 12.0 m/s coasts up a 2.50 m high rise as shown above.  Find…

A: Given

Q: Suppose a 10.0g bullet is fired at speed 120m/s and embeds into a 1530g block of wood that is at the…

A: Given:          Mass of the bullet m =10 g = 0.01 kg         Mass of the wooden block M = 1530 g…

Q: An 18g bullet is fired into 4kg block that is suspended from the ceiling by ropes. The bullet comes…

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

A: Given,mass of the soccer ball, m = 0.75 kgheight, h = 4.9 menergy loses during the bounce, E = 1.2 J

Q: Consider a particle of mass 2 kg. In first reference frame, the velocity of the particle is 4î m/s.…

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Q: Item 8 An 14000 kg freight car rests against a spring bumper at the end of a railroad track. The…

A: Given that mass of the flight car and spring constant and mass of the second car and also given the…

Q: with v/3 QUESTION 19 A 3.2 kg box slides on a horizontal frictionless table and collides with…

A: Collision of two particle. angular velocity concept

Q: Calculate the force exerted on a rocket when the propelling gases are being expelled at a rate of…

A: Given :-            Rate of the propelling gases m∆t = 1300 kg/s             speed v = 4.5×104…

Q: what is the significance of the negative value for the fractional change in kinetic energy?

A: The fractional change in kinetic energy is given by the above expression.The negative value for the…

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: This quantity is defined mathematically as force times distance.  Choose the correct  letter only.…

A: Quantity mathematically defined as force times distance  i.e., Quantity = Force x distance = F d…

Q: kinetic energy

A:

Q: An arrow of mass 40 g is shot horizontally into a bale of hay, striking the hay with a velocity of…

A: Force is given by the product of mass and acceleration. However, in this case as we are calculating…

Q: wo books slide across a friction less surface. one book has a mass of 6.2 kg and it slides to the…

A: GivenFor book 1, sliding to rightm1=6.2 kg   , u1=9.8 m/sFor book 2, moving to leftm2=3.8 kg  ,…

Q: Two sticky balls are swinging in this scenario. The first one has a mass of 0.021kg and has the…

A: Given Data : The mass of the first ball is given as m1 = 0.021Kg. The mass of the second ball is…

Q: 5) A 0.042 kg block is at the top of a frictionless track of height 1.3 m. The block slides down the…

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Q: What average force is necessary to stop a bullet of mass 20 g and speed of 250 m/s as it penetrates…

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Q: A 5.00-kg ball is hanging from a long but very light flexible wire when it is struck by a 1.50-kg…

A: Given: mass of ball mb=5 kgmass of stone ms=1.50 kginitial velocity of ball vib=0 m/sinitial…

Q: What average force is necessary to stop a 45 caliber bullet of mass 15 grams and a speed of 300 m/s…

A: Given data: Mass of the bullet m = 15g=0.015kg Speed v= 300 m/s Distance s = 5 cm = 0.05 m

Q: Jane has a mass of 50 kg and starts from a high of 5 m above the ground. At the bottom of her swing,…

A: mass of jane (m) = 50 kg initial height of jane (h) = 5 m mass of tarzan (M) = 70 kg

Q: 9.7 kg block of wood resting on a platform was hit by a 31 g of bullet travelling upward with a…

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Q: On an air track, a glider of mass 300 g traveling at a speed of 2.0 m.s collides with a stationary…

A: Given  Mass 1 = m1 = 300 g  Mass 2= m2= 300 g  Speed 1 = u1 = 2.0 m/s Speed 2 = u2 = 0 m/s  Final…

Q: A ball of mass 200 g is released from rest at a height of 1.70 m above the floor and it rebounds…

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Q: The kinetic energy of a crossbow bolt with mass m kg and velocity v ms- is given by E = m? J. A bolt…

A: Dear student To find error in any given expression, we always try to maximize the error, to get…

Q: A 156 g cart moves on a horizontal, frictionless surface with a constant speed of 11.1 cm/s. A 60.6…

A: Since the piece of modeling clay drops vertically, the horizontal component of its speed is zero.…

Q: A 30 kg box with a height of 0.230 meters is on top of a 0.5-meter-high table and is initially at…

A: Given, Projectile mass of the projectile mp=5 kg initial velocity u=20m/s rebound speed of the…

Q: Question 1: The potential energy of a person is 780 Joule with mass of 20 kg who climbs a flight…

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

Q: For which quantity there is no conservative law? A) Momentum B) Mechanical energy C) Angular…

A: To determine Which quantity does not have conservative law

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…

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Q: A 4 kg block moving right at 6 m/s collides elastically with a 2 kg block moving right at 3 m/s.…

A:

Q: An electron (mass = 9.11 × 10−31 kg) is accelerated along a straight line at 3.9 × 1014 ms−2 . The…

A: Given : Electron mass→m = 9.11 × 10-31 kg Acceleration →a =3.9 × 1014 m/s2 Initial speed→v= 3.2 ×…

Q: A hunter holds a 4.0 kg rifle and fires a bullet of mass 5.0 g with a muzzle velocity of 250 m/s.…

A:

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: Ignoring the resistances including air what will be the speed of the projectile when it touches the…

A: Given Mass of projectile = 12 g Initial speed of projectile = 1500 m/s We have to find the speed of…

Q: A bolt gun has a spring of spring constant k = 14 N/m which is used to fire a bolt of mass m. The…

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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…

Q: A golf ball of mass 0.045 kgkg is hit off the tee at a speed of 32 m/sm/s . The golf club was in…

A: The change in momentam or impulse. Average force=change in momentam/time

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.