A sled slides without friction down a small, ice-covered hill. Onits first run down the hill, the sled starts from rest at the top of thehill and its speed at the bottom is 7.50 m>s. On a second run, thesled starts with a speed of 1.50 m>s at the top. What is the speed ofthe sled at the bottom of the hill on the second run?

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a…

A: In this case, we can use projectile motion concept because the biker is subjected to no other force…

Q: In the figure a block slides along a path that is without friction until the block reaches the…

A: Velocity at the start of the friction segment is, v=vA2-2gh=8.2 m/s2-29.8 m/s21.9 m=5.477 m/s

Q: A slingshot fires a pebble from the top of a building at a speed of 19.0 m/s. The building is 36.0 m…

A:

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: A roller-coaster car has a mass of 500 kg when fully loaded with passengers (a) If the car has a…

A:

Q: A particle, starting from point A in the drawing (the height at A is 3.00 m), is projected down the…

A:

Q: A two-man bobsled has a mass of 390 kg. Starting from rest, the two racers push the sled for the…

A:

Q: a block is sent sliding down a frictionless ramp. Its speeds at points A and B are 2.00 m/s and 2.60…

A:

Q: A two-man bobsled has a mass of 350 kg. Starting from rest on a level road, the two racers push the…

A: Given data: -  The mass of the bobsled is m = 350 kg. The net force on the bobsled is F = 290 N.…

Q: 9) A small object of mass m slides along the frictionless track in the figure, staring from rest at…

A: object moves through a frictionless curve so there is no loss of energy and hence total energy is…

Q: 8. Adult cheetahs, the fastest of the great cats, have a mass of about 70 kg and have been clocke…

A: To find: a)The amount of kinetic energy. b)The factor by which the kinetic energy will change if its…

Q: Grug is a creature formed from the top of a Burrawang tree, standing ~1.25m tall. One day, Grug…

A:

Q: Calculate At an amusement park, a swimmer uses a water slide to enter the main pool. If the swim-mer…

A:

Q: A slingshot fires a pebble from the top of a building at a speed of 13.0 m/s. The building is 35.0 m…

A:

Q: In the figure a block slides along a path that is without friction until the block reaches the…

A: Given,L = 0.77 mh = 1.4 mθ = 29°μ = 0.310vA = 8.3 ms

Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: M= 108 kg  U= 9.5 m/s  Angle is 8.62° ( by trigonometry)

Q: In the figure, a frictionless roller coaster car of mass m = 816 kg tops the first hill with speed…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: The figure gives the acceleration of a 6.0 kg particle as an applied force moves it from rest along…

A: The work done by a force 'F' on a particle when it is displaced from x1 to x2 is given by , W =…

Q: There is a 23.1 kg box that starts with an initial velocity of 23.5 m/s. The box moves up a hill…

A:

Q: A block slides down a smooth ramp, starting from rest at a height h. When it reaches the bottom it’s…

A: Given: The initial height of the block is h. Velocity at bottom of the ramp is v. Velocity at…

Q: A girl and her bicycle have a total mass of 40 kg. At the top of a hill, that is 10 m high and 100 m…

A: Total mass is 40 kg. At the top of a hill of 10 m high and 100 m long, her speed is 5 m/s. The…

Q: Petra asked her mom to take her to the playground near her house. She loves to scare her mom by…

A: Given:  Petra's mass, m=20.4 kg Height of slide, h=3.30 m g=9.8 m/s2 Let's calculate Petra's speed v…

Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.1…

A: Given data The inititial velocity of the skate boarder is given as u = 5.1 m/s.   The maximum height…

Q: (a) Salim who participates in motor race, leaves the end of a ramp with a speed of 90km/hr as in…

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

Q: The sledder shown in the figure starts from the top of a frictionless hill and slides down into the…

A:

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

A:

Q: A particle, starting from point A in the drawing (the height at A is 3.00 m), is projected down the…

A:

Q: In the figure here, a small block is sent through point A with a speed of 6.9 m/s. Its path is…

A:

Q: A worker is trying to drop a 10 kg boulder off a 10 m high cliff.. At this particular location,…

A:

Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: Mass of man (m) = 108 kg Initial speed (u) = 9.5 m/s Height of final level above the ground (h) =…

Q: A 60 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

A:

Q: A rock of mass m = 214 g is thrown upwards with a velocity such that it has a kinetic energy of K =…

A: We can solve this problem using conservation of energy.

Q: A small object of mass m slides along the friction less track in the figure, staring from rest at…

A: Our answer is approximately is 8.9 m/sec

Q: A skateboarder at a skate park rides along the path shown in the following figure. If the speed of…

A:

Q: I need help with this homework problem.

A: Given information: The initial velocity of the block (u) = 9.6 m/s The height from which it is…

Q: In the figure, a frictionless roller coaster car of mass m = 846 kg tops the first hill with speed…

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

Q: 14. A block is sent sliding down a frictionless ramp. Its speeds at points A and B are 2.00 m/s and…

A:

Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.0…

A: initial velocity (u) = 5 msmaximum height above the right side of the ramp = h

Q: A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with speed…

A: Given: The intial speed of the motorcyclist is 30 m/s. The speed of the object at top of the…

Q: In the figure, a frictionless roller coaster car of mass m = 832 kg tops the first hill with speed…

A:

Q: previous problem:  A small block slides down a frictionless track whose shape is described by y =…

A:

Q: Chapter 07, Problem 001 A proton (mass m = 1.67 x 10 27 kg) is being accelerated along a straight…

A:

Q: 9) A small object of mass m slides along the frictionless track in the figure, staring from rest at…

A:

Q: A slingshot fires a pebble from the top of a building at a speed of 14.0 m/s. The building is 27.0 m…

A: (a) When fired horizontally:- vx=14 m/svy=2gh=2×9.8×27=23 m/s Hence, v=vx2+vy2v=142+232v=26.93 m/s…