*13-76. Prove that if the block is released from rest at point B of a smooth path of arbitrary shape, the speed it attains when it reaches point A is equal to the speed it attains when it falls freely through a distance h; i.e., v = V2gh. в B

Q: 2) A ball of mass m=5 kg is dropped from a height h=20 m above the ground. Neglecting air…

A: Given Mass M = 5 kg dropped from height h = 20 m We have to calculate distance at height y = 10 m

Q: A stunt performer, standing at the edge of a 10 m high building, falls off and lands on a…

A:

Q: Only E, G, and I

A: (e) Given that,  The expression of the distance travelled by the particle as a function of time is…

Q: is given that W=(1)/(2)m(v^(2)-u^(2)). (a) Find W when m=3,u=4 and v=10. (b) Express u in terms of…

A:

Q: In differential equation (Newtons 2nd law of Motion). Determine the limiting velocity of the body if…

A:

Q: When a ball is thrown straight up, by how much does its speed change each second? Neglect air…

A: In the upward motion, the acceleration due to gravity is given as, a = -g According to Newton’s…

Q: A small block has constantacceleration as it slides downa frictionless incline. The block isreleased…

A:

Q: A 3kg ball is dropped from rest in the -y direction from a 10m tall building.  Ignore air…

A: Take the top of the building to be y=0 and the downward direction to be positive. The equation of…

Q: A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at…

A:

Q: Io, a satellite of Jupiter, is the most volcanically active moon or planet in the solar system. It…

A: Acceleration due to gravity on lo (g') = 1.81 ms2Let the mass of fragment = m

Q: A proton initially has v = 3.0i – 9.0 j + 2.0k and then 4.0 s later has v = -9.0i – 9.0j + 3.0k (in…

A:

Q: A daring swimmer dives off a cliff with a running horizontal leap, as shown in the figure. (Figure…

A: Initial velocities :ux=vouy=0Height = h=9.25 mRange= d=1.5 m

Q: A little ball slides down an inclined plane with a length of l = 2.5m that forms an angle of α = 45°…

A: Solution: The trajectory of the motion of ball is shown in the given diagram. The velocity of the…

Q: A package is released from a plane which is flying horizontally over flat horizontal ground. After…

A: A package is released from a plane that is flying horizontally over the flat horizontal ground.…

Q: Snakes X and Y start to crawl at the same time at equal speeds from a hole to find food. Snake X…

A:

Q: Go back to question 6 but this time assume uk=0.2.  a) How much time elapses before the block…

A: This question belongs to friction.

Q: An Olympic swimmer stands on top of a platform at a height H above a swimming pool. At the moment of…

A:

Q: A bob attached to a Cord is moved to the right 1.05 cm above the eQuilibrium position and is then…

A:

Q: Vc = 2 m/s 30° 3 m B FR-- 1 m

A: Given that:- Length of car=1m

Q: A ski jumper starts from rest 48.5 m above the ground on a frictionless track and fies off the track…

A: Ski jumper starts from 48.5m above the ground on a frictionless track from rest  At a height of 13m…

Q: A 25-kg projectile is fired vertically upward from the ground. If the velocity is 35 m/s at 5 m…

A:

Q: The box travels from point A to point B along the curvilinear path that is shown in the figure which…

A: According to company policy I have to solve only three questions.

Q: A student throws a heavy red ball horizontally from a balcony of a tall building with an initial…

A:

Q: 2. A small plane flying at 180 kph at an altitude of 240m, is to drop an inflatable raft to flood…

A:

Q: The known elevations of the ski jumping hill shown below are as follows: hg = 2.4 m hc = 6.1 m If a…

A: The elevation of the ski jumping hill at position A is denoted by hA. The elevation of the ski…

Q: V Three youths push a 40.0-kg block of ice so that it begins to coast on a frozen lake. With an…

A: mass of block of ice (m) = 40 kg Initial speed (u) = 3 ms

Q: A body of mass m Starts down from rest from the top of an  inclined plane 20 ft long and 10 ft high.…

A:

Q: The known elevations of the ski jumping hill shown below are as follows: hB = 2.0 m hC = 7.0 m If…

A: Energy Conservation- The total energy of the system remains constant throughout the motion, it can…

Q: An ice skier slides down a slope with a height H = 20 m. The glider then flies over the end of the…

A:

Q: How much force is applied on a 30kg body moving along a horizontal path at constant velocity if the…

A: The force applied on a body moving along a horizontal path at constant velocity is equal to the…

Q: If an object is dropped from the top of a building and it reaches the ground at t = 4 s then the…

A: Given data:  Initial velocity (Vi) = 0 m/s Time (t) = 4 s Air resistance is negligible g = 9.8 m/s2…

Q: The box travels from point A to point B along the curvilinear path that is shown in the figure which…

A:

Q: Basidiomycete fungi ballistically eject millions of spores into the air by releasing the surface…

A: The initial speed of the spore is given as, u = 0 m/s The final speed of the spore is given as, v =…

Q: A 72kg bungee jumper jumps from a bridge. She is tied to a bungee cord, whose unstretched length is…

A:

Q: 2.31 • (a) If a flea can jump straight up to a height of 0.440 m, what is its initial speed as it…

A:

Q: lo, a satellite of Jupiter, is the most volcanically active moon or planet in the solar system. It…

A: the total energy must be constant. Hence,

Q: The drawing shows a skateboarder moving at 6.70 m/s along a horizontal section of a track that is…

A: Given,Initial velocity of the skateboarder, u = 6.7 m/sTrack ends at a height from the ground =…

Q: A ball at rest at some height h; above the ground falls to Earth. Determine its final speed before…

A:

Q: An object of mass 5.9 kg moves along a flat surface and then up an incline with a steepness of 7.8°.…

A:

Q: Which of the following equation consequence() to the equation V.(V x E) Select one: O a. V.B O b. -…

A: please see the next step for solution

Q: A particle moves along x axis with PE from the graph. Find Ex when its at x=2 0 x = 4 U(T) (xm) 4 2…

A: Potential energy at x1 = 2, U1 = 2 J Potential energy at x2 = 4, U2 = 4 J

Q: It’s commonly understood that “It’s not the fall that kills you, it’s the sudden stop at the end.” A…

A:

Q: 18. Prove these statements: (a) (5 marks) As long as you can neglect the effects of the air, if you…

A: We are Required to prove the given statements related to kinematics.

Q: A block slides with constant velocity down an inclined plane that has slope angle 0 = 20.0 °. The…

A: