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Q: what is the kinectic energy of this Object at this point

A: Answer is 0.5 J. Find explanation in next step .

Q: wo objects are connected by a light string passing over a light, frictionless pulley shown in Figure…

A:

Q: A ball with a mass of 0.55 kg roll across the tabletop with a speed of 3.2 m/s. When the ball…

A: SOlution: Given that mass m = 0.55 kg speed v = 3.2 m/s h =1.2 m

Q: In the physics Lab the students release a 0.800 kg cart from the top of a ramp. It reaches a speed…

A: PEtop=KEbottommgh=0.5mv2h=0.5v2g

Q: An automobile traveling at 25 km/hour has kinetic energy equal to 1 x 104J. What is the mass of the…

A:

Q: Two objects are connected by a light string passing over a light, frictioniess pulley as shown in…

A: Using the kinematics equation and conservation of energy,

Q: single frictionless roller-coaster car of mass m = 750 kg tops the first hill with speed v= 15 m/s…

A:

Q: follows the curved track in the figure.

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Q: A 5 kg block falls from rest down a 7 m high frictionless hill. It collides with a stationary 2 kg a…

A:

Q: F231G A single frictionless roller-coaster car of mass m 200 kg tops the first hill with speed vo =…

A:

Q: A particular spring has a rest length of 5.0 cm when it is not compressed, and a length of 4.5 cm…

A: Given data: The free length of spring is l=5 cm. Length with m=10 kg l'=4.5 cm. Acceleration of…

Q: A 2.0 kg object is moving to the right with a speed of 1.0 m/s when it experiences the force shown…

A: Given:Mass of the object = 2 kgInitial speed of the object = 1 m/s

Q: A particle of mass m is subject to a conservatives force F= a/x i where a is a constant. The…

A: The work done by a conservative force on an object is equal to a change in the kinetic energy of the…

Q: A 30 degree incline is shown with a pulley. A string passes over the pulley and connects to a mass…

A: Visualize the Problem:

Q: 6. A spring gun has a constant of K= 650N/m. It is compressed a distance x 0.04m and a ball of mass…

A:

Q: A pendulum has a length l (the rope is massless). The mass of the object suspended from the pendulum…

A: Given mass m  Length L Initial position θ=90⁰ We need to find speed at lowest point where θ=0⁰

Q: A bullet of mass 20g is found to pass two points 30m apart in a time interval of 4s. Calculate the…

A: c

Q: Which of the following bodies has the largest kinetic energy? Select one: a. Mass 2M and speed 3V b.…

A:

Q: On the roller-coaster shown, a car is pulled up to point 1, where it is released from rest and moves…

A: Let H denote the height of point 1, h denote the height of point 4, m denote the mass of the…

Q: A green archer aims his arrow at a blue eagle. He pulls the bow back 50.5 cm and holds it in…

A: Given, contraction of bow, x= 50.5 cm, x= 0.505 m Force at the end of bow, F= 134.7 N The mass of…

Q: The system shown in the figure consists of a light, inextensible cord, light frictionless pulleys,…

A: Find the speed of block A as shown in the figure, which consists of a light, inextensible cord,…

Q: 10. A vertically mounted spring (k = 750 N/m) is compressed by 30.0 cm relative to its unstrained…

A:

Q: e by side, two round objects are released from the top building, object 1 is released from rest,…

A: Given:-  Let the two objects 1 is  A and objects 2 is B then given  uA=0 , vA=4 m/s vB=3 m/s  Find:-…

Q: A 54 kg student carrying an 11 kg backpack climbs up 76 steps (each step is 18 cm high) to the 4th…

A: Answer:-  Mass of a student (m1) = 54 kg  Mass of the backpack (m2) = 11 kg  Total mass (M) = (54…

Q: A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father.…

A:

Q: What happens to the velocity of the cart from position A to D?

A: here we need to choose the current option Important point to learn When a force acts along the…

Q: Two crates of mass m1 = 50 kg and m2 = 24 kg are connected by a rope that passes over a massless,…

A:

Q: A 2.0 kg mass is placed against a spring of force constant 800 N/m, which has been compressed 0.22…

A:

Q: a 60 kg object is moving at 20m/s when a force brings the object to rest in 0.050 seconds. of the…

A: Given, mass of the object (m) = 60 kg  Initial speed (u) = 20 m/s  Final speed (v) = 0 m/s  Time…

Q: A 30.2 N net force is applied for 15.64 s to a 10.2 kg box initially at rest.  What is the speed of…

A: Using Newton's second law, the acceleration of the box can be obtained as…

Q: The adjacent figure shows a box of mass 2 kg moving on a horizontal, frictionless surface (ulall z)…

A: Given that: The figure is, Mass of box, m=2 kg Velocity of the box, v=6 m/s Spring constant, k=1000…

Q: A ball of mass 0.5kg is tied to a string of length 1.0 meters, and the other end of the string is…

A: The total mechanical energy of a system remains constant if the internal forces are conservative and…

Q: A man drops a small ball from a very tall building. Assume that air resistance exerts a resisting…

A: Given that: Mass of the ball, m=0.1 kg Force of air resistance, f=0.25v The ball was dropped, so…

Q: A locomotive of mass m= 1.134 × 10 kg uses 37.8 kW of power to accelerate at a constant rate for…

A: Let v be the velocity of the locomotive after 15 s, u be the initial velocity, F be the force, m be…

Q: A 6.0-kg rock is subject to a variable force given by the equation. F(x) = 4.0 N - (2.0 N/m)x + (6.0…

A:

Q: In the figure below, a block of m= mass 19 kg is released from rest on a frictionless incline angled…

A: mass of block (m) = 19 kg Angle (θ) = 30ocompression (d') = 2 cm  if force applied (f) = 240 N using…

Q: A particle of mass m is subject to a conservatives force F= a/x i where a is a constant. The…

A:

Q: Two objects are connected by a light string passing over a light, frictionless pulley. The 5.00-kg…

A: In the pulley system , before the object of mass m1=5 kg is released from rest , the only energy…

Q: An object of mass m= 7.6 kg is free to move on a horizontal surface without any friction. It is…

A:

Q: A space probe of mass 86 kg is moving with an initial speed of 10 m/s in the outer space. A constant…

A: Given that, Mass(m)= 86 kg Initial speed (v)= 10 m/s Fnet = <42,28,19>N So, Fnet= 42i + 28j +…

Q: Particle A has mass m. Particle B has twice the mass of Particle A. The same constant force F acts…

A: According to the work-energy theorem, the amount of workdone on an object is equal to the change in…

Q: A particular spring has a rest length of 5.0 cm when it is not compressed, and a length of 4.5 cm…

A: mass = 10 kg change in length = 5 cm - 4.5 cm  = 0.5 cm  = 0.005 m Using hooke's law F = K * change…

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.