Compressed air is used to fire a 60 g ball vertically upward from a 1.1-m-tall tube. The air exerts an upward force of 2.0 N on the ball as long as it is in the tube.

Q: A toy gun uses a spring to project a 5.0-g soft rubber sphere horizontally. The spring constant is…

A: Given data : Projectile's mass, Spring constant, Barrel's length, Frictional force constant,…

Q: A toy gun uses a spring to project a 5.4-g soft rubber sphere horizontally. The spring constant is…

A: Mass of the projectile,

Q: A baseball is thrown and lands 120 m away. While the ball is in flight, assuming the effect of air…

A: Horizontal distance (d) = 120 m Air friction = negligible

Q: A 100-kg Cabrillo student is launched by a spring (k = 80,000 N/m) that is initially compressed by…

A: The energy of interacting bodies or particles in a closed system remains constant due to…

Q: 49 g ice cube can slide without friction up and down a 29º slope.  The ice cube is pressed against a…

A:

Q: 4. A 10 kg block slides down a hill that is 200 meters tall with an initial speed of 12 m/s. What is…

A:

Q: Thanks!!

A: Basic Details According to the conservation of energy, the energy of the spring would be converted…

Q: Consider two blocks attached by a string over a pulley. On the right-hand side of the pulley, block…

A:

Q: A toy gun uses a spring to project a 4.8-g soft rubber sphere horizontally. The spring constant is…

A: Mass of the projectile,

Q: An inclined plane of angle θ has a spring of force constant k fastened securely at the bottom so…

A:

Q: A 4.00 x 10° kg subway train is brought to a stop from a speed of 0.500 m/s in 0.600 m by a large…

A:

Q: A 4.50 x 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.800 m by a large…

A:

Q: A 1.30 kg block slides on a frictionless horizontal surface until it encounters a spring with a…

A: Given: The mass of the object is 1.3 kg. The spring constant is 520 N/m. The compression in the…

Q: (4) Need to know the weight of the block to answer. (5) Need to know the coetficient of friction a,…

A: The equation for the work done is,

Q: A 263 g ball of clay falls onto a vertical spring. The spring constant k = 2.52 N/cm.  The clay…

A: Given: mass of the ball, m=263 g=0.263 kg spring force constant, k=2.52 N/cm spring compression,…

Q: A 6.00 x 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.500 m by a large…

A: Given data: Mass (m) = 6.00 × 105 kg Initial velocity (v0) = 0.500 m/s Final velocity (v) = 0 m/s…

Q: puck’s

A: The work-energy theorem can be applied here, work done=change in kinetic energy Work done by a body…

Q: A stone of mass 80 g is dropped onto an unstrained vertical spring with a spring constant k = 0.8…

A:

Q: 7.39 A block with mass 0.50 kg is forced against a horizontal spring of negligible mass, compressing…

A: First we need to find work done due to friction

Q: A body is falling freely under the action of gravity alone in vacuum. Which of the following…

A: To determine: The correct option.

Q: A toy gun uses a spring to project a 6.2-g soft rubber sphere horizontally. The spring constant is…

A:

Q: A 2.50kg textbook is forced against a horizontal spring of negligible mass and having a spring…

A:

Q: A toy cannon uses a spring to project a 5.33-g soft rubber ball. The spring is originally compressed…

A:

Q: A 200 gram hockey puck is launched up a metal ramp that is inclined at a 45° angle. The coefficients…

A:

Q: A 2.50 kg textbook is forced against a horizontal spring of negligible mass and having a spring…

A: Given : m = 2.50 kg k = 250 N/m x = 250 mm = 0.25 m μk = 0.30

Q: 0.5-kg ball having a speed of 2 m/s hits a horizontal spring of k = 800 N/m and comes to rest…

A:

Q: A 3.09-kg particle is subject to a net force that varies with position as shown in the figure. The…

A: Given: The mass of the particle is m=3.09 kg. According to work energy theorem: Kinetic…

Q: A 73-kg block of wood needs to be pulled across an unpolished wood floor at a constant velocity in…

A:

Q: A force in the +x-direction with magnitude F(x) = 18.0 N - (0.530 N/m)x is applied to a 6.00 kg box…

A: Given: The force is Fx=18.0 N-0.530 N/mx. The mass of the box is 6.00 kg. The distance covered is…

Q: A 3.39kg block is pulled across a floor by a 16.25 N force. The coefficients of static and kinetic…

A:

Q: A block of mass m = 0.04 kg slides across a frictionless horizontal surface with an initial speed of…

A: As we known that when any particle moving  with velocity (v) it has kinetic energy which is given…

Q: A toy gun uses a spring to project a 6.3-g soft rubber sphere horizontally. The spring constant is…

A: Consider the initial velocity of the soft rubber sphere is zero and the spring reaches its mean…

Q: You are an industrial engineer with a shipping company. As part of the package-handling system, a…

A:

Q: A toy gun uses a spring to project a 5.4-g soft rubber sphere horizontally. The spring constant is…

A:

Q: A 1.30 kg block slides on a frictionless horizontal surface until it encounters a spring with a…

A: Given, mass of the block, m = 1.30 kg Force constant, k = 520 Nm compression, x = 2.50 cm

Q: A 150 g particle at x = 0 is moving at 8.00 m/s in the +x-direction. As it moves, it experiences a…

A: Write the provided force equation.

Q: The massless spring of a spring gun has a force constant k = 12 N/cm. When the gun is aimed…

A:

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 85 gram arrow is fired from a bow whose string exerts an average force of 105 N on the arrow…

A:

Q: A block of mass m 2.00 kg slides along a horizontal table with speed vo 9.50 m/s. At x = 0 it hits a…

A: Given:Mass of the block, m = 2.00 kgSpeed of the block, V0 = 9.50 m/sSpring constant, K = 95…

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.