(A) (B) 5.00 m 3.20 m 2.00 m

Q: While a roofer is working on a roof that slants at 42.0 ∘∘ above the horizontal, he accidentally…

A:

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. When the…

A: Calculate the energy lost due to the friction, that is, the work done by the frictional force due to…

Q: A block is released from rest at point P and slides along the frictionless track shown. Assume hi -…

A: Option 4 is the right answer  Speed at Q is 10m/s

Q: In the figure, a 3.8 kg block slides along a track from one level to a higher level after passing…

A: The block has some initial Kinetic energy. When it reaches the higher level, part of it is converted…

Q: A stone of mass 7.5 kg rests on a spring of negligible mass whose spring constant is k=790n/m. the…

A: Given:- The mass of the stone m = 7.5 kg  The spring constant k = 790 N/m  The compression of the…

Q: A block of mass m = 4.80 kg is dropped from height h = 61.0 cm onto a spring of spring constant k =…

A: Let the maximum distance the spring is compressed be x. Write the law of conservation of energy.

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. When…

A: Given data:  Mass of block (m) = 2.25 kg Distance of rough patch (d) = 15.0 cm = 0.15 m Coefficient…

Q: A 250 gram block is dropped from rest at a height of 1.2m onto a relaxed vertical spring that has a…

A: In this question since no energy is lost and all the potential energy of the block is converted into…

Q: A fully compressed spring shoots a block up a 60 degree slope, given k = 1400N/m, m = 0.2kg, and…

A: slope = 60ok = 1400 N/m m = 0.2 kg x = 0.1 m ( compression)

Q: A single force F(x) = −4.0x (in newtons) acts on a 1.0-kg body. When x = 3.5 m, the speed of the…

A:

Q: A 1.5 kg block is released from rest touching a spring with spring constant of 200 J/m² and an…

A: Given: The mass of the object is 1.5 kg. The spring constant is 200 J/m2. The compression in the…

Q: A 120 g arrow is shot vertically from a bow whose effective spring constant is 430 N/m. If the bow…

A: Given Data Mass of the arrow is m= 120 g=120 g×1 kg1000 g=12×10-3 kg Spring constant is k=430N/m The…

Q: You give a crate of mass m = 1.00 kg an initial speed of vi = 4.00 m/s up an incline of θ = 17°. The…

A: Given:mass of the crate, m = 1.00 kginitial velocity, vi = 4.00 m/sinclination angle. θ = 17ospring…

Q: A single force F(x) = −8.0x (in newtons) acts on a 3.0-kg body. When x = 6.75 m, the speed of the…

A: Given, Force, Fx = -8xMassm = 3 kg , when x = 6.75 m  , v = 4 m/swhen x=2.5m , v = ?

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h rough…

A:

Q: A 60.0 kg skier with an initial speed of 11.0 m/s coasts up a 2.50 m high rise as shown in Figure…

A: The below figure represents the distance travelled up the plane by a 60kg skier with an initai speed…

Q: 7. A ball is released from rest at a height of 30 m. Ignoring air resistance, determine the GPE, KE,…

A: Given data mass of ball (m) = Weight of the ball = 11.76 N m = 1.19 kg Initial height (h) = 30m…

Q: A 2kg block is pulled up a ramp by a constant force parallel to the ramp of 15 N. The ramp is 2m…

A: Given data: Mass of the block, m=2 kg Constant force, F=15 N Length of the ramp, s=2 m Angle of…

Q: "Tarzan, who weighs 600N, swings from a cliff at the end of a vine 14 m long. From the top of the…

A: THERE ARE TWO FORCES ON THE VINE. Weight=600 N Centrifugal force- Fc=MV2rWe have V from KE…

Q: the figure here, a small block is sent through point A with a speed of 6.0 m/s. Its path is without…

A:

Q: The figure(Figure 1) shows a 1.75-kg block at rest on a ramp of height h. When the block is…

A:

Q: A block of mass m=5.5kg slides on a rough surface and moves toward a spring with a spring constant…

A:

Q: In the figure, a very small toy race car of mass m is released from rest on the loop-the-loop track.…

A:

Q: A spring with spring constant k = 130N/m is compressed a distance of 2.1m, then launches a block of…

A: Given: The mass of the object is 6 kg. The compression in the spring is 2.1 m. The spring constant…

Q: In a railroad yard, a 35,000-kg boxcar moving at 7.5 m/s is stopped by a spring-loaded…

A:

Q: h

A:

Q: An object of mass 2.5 kg sliding on a horizontal frictionless surface with a speed of 4m/s collides…

A: Given  m = 2.5 kg    v = 4 m/s  Compression (x) = 40 cm                                 = 0.4 m  At…

Q: A block of mass 11.0 kg slides from rest down a frictionless 36.0° incline and is stopped by a…

A:

Q: A pitcher bestows a power of P = 206 W to a baseball of mass m = 0.095 kg for a period of t = 0.28…

A:

Q: A block with mass m = 12.4 kg is pressed against a spring with spring constant 1.285E+4 N/m,…

A:

Q: A bungee cord exerts a nonlinear elastic force of magnitude F(x) = k1x + k2x°, where x is the…

A:

Q: A 8kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 230N.…

A:

Q: Thanks!

A:

Q: A mass is dropped from a building of height h. Its mechanical energy may defined at any distance…

A: The correct option is option  a. mgh=1/2mv2+mgd

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough…

A: Given Mass of object (m) = 2.25 kglength of rough patch (s) = 15.0 cm = 0.150 mμk = 0.690.velocity…

Q: A block of mass m = 5kg is released from rest at point A and slides on the frictionless track shown…

A: Ans. (d) 7.7 m/s

Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough…

A: Given:-  mass of the block =2.25 kg  Kinetic friction coefficient =0.590 Speed after crossing the…

Q: As shown in the figure below, a 2.25-kg block is released from rest on a ramp of height h. When the…

A: mass of block= 2.25 kg Coefficient of Kinetic friction= μk=0.6 rough patch width, s= 15 cm or 0.15m

Q: Problem 1: A60.0 kg skier with an initial speed of 13 m's coasts up a 2.50 m high rise as shown in…

A:

Q: A novice skier, starting from rest, slides down an icy frictionless 8.0o incline whose vertical…

A: Let v be the final velocity of the skier, u be the initial velocity of the skier, s be the length of…

Q: 4. A 5 kg block is pressed 1.5m against a spring that has a spring constant of 400N/m as shown…

A: mass of block (m) = 5 kg Spring constant (k) = 400 Nmcompression (y) = 1.5 mcoefficient of kinetic…

Q: a) Juan's speed when "x"=30, b) the speed when Juan reaches half his maximum height

A: Using Energy-conservation theorem , we can write that :…

Q: shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough patch…

A:

Q: A block with mass m = 0.10 kg is released from rest at point y = 1.0 m and slides down along a…

A: Given Mass of block m = 01 kg height y = 1 m track is friction less

Q: when 2.0 kg rock is dr ped from a cliff, it hits the beach at a speed of 24 m/s. If a 4.0kg lock…

A:

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.