5. A stone slides down each of the three frictionless ramps, as shown in the rigure. For which ramp will the speed of the ball be the greatest at the bottom Y a. Ramp X

Q: Problem 7: A skateboarder with mass m, = 36 kg is standing at the top of a ramp which is h, = 3.1 m…

A: Given that: ms=36 kghy=3.1 mvf=6.1 m/s2

Q: 10. A skier starts from rest at the top of each of the hills shown in Fig. 6–34. On which hill will…

A: Given: A skier starts from rest at the top of each of the hills. On which hill will the skier have…

Q: 15. A stone slides down each of the three frictionless ramps, as shown in the figure. For which ramp…

A: From conservation of energy potential energy at top = kinetic energy at bottom As the object is same…

Q: A student places her 410 g physics book on a frictionless table. She pushes the book against a…

A: At the moment when she releases the book, the potential energy gets converted to kinetic energyThe…

Q: A hummingbird has a mass of about 1.7 g. Suppose a hummingbird does 0.15 J of work against gravity,…

A:

Q: Y1 Y2

A: y1 = 8.0 m final speed v = 7.7 m/s

Q: 7) A bob attached to a cord is moved to the right where its vertical position is 1.05 cm above the…

A: The given data are: h=1.05 cm=0.0105 mu=0.6 m/s Here, h and u represent the height and the initial…

Q: 6. Find the work done by the force F = (2xy – 3)i +x²j in moving an object from (1,0) to (0, 1)…

A: (a) The object is moving from the point (1, 0) to (0, 1). The line joining these points can be…

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: A 36.2-kg child starting from rest slides down a water slide with a vertical height of 12.5 m.…

A:

Q: 30. John is riding an elevator. If John notes that the elevator travels upwards with a speed of 0.23…

A: mass (m)=75 kg acceleration due to gravity(g)=9.8 m/s2 speed(v)=0.23 m/s

Q: While a roofer is working on a roof that slants at 36.0 ∘∘ above the horizontal, he accidentally…

A: Given:-  Working on a roof that slants at 36.0∘ above the horizontal, he accidentally nudges his…

Q: 2. Tarzan, whose weight is W = 688 N, swings from a vine of length L = 18 m. He starts his swing…

A:

Q: 1.) A car accelerates from rest with a constant acceleration of 3 ?/?2 over a distance of 10 meters.…

A: The force acting on the car is given by, F=ma Here, m is the mass of the car and a is the…

Q: At an amusement park, a swimmer uses a water slide to enter the main pool. You may want to review…

A:

Q: 55. A constant 10-N horizontal force is applied to a 20-kg cart at rest on a level floor. If…

A: Solution:  First find acceleration (a) using,  F= ma  Then use ( a ) to find velocity of cart using,…

Q: 6) Usain Bolt (m 86kg) is able to complete the 100m dash in 9.64s. a. Assuming constant…

A:

Q: 33.6-kg child starting from rest slides down a water slide with a vertical height of 14.0 m.…

A:

Q: 76. A cable lifts a 1200-kg elevator at a constant velocity for a distance of 35 m. What is the work…

A: To determine: (a) The work done by the tension in the cable. (b) The work done by the elevator’s…

Q: 2. A car with an initial velocity of 36 km/h accelerates at 54 km/h² for 3600 s. By which factor…

A:

Q: m = 5 kg 40° 3m 3m (т hị Va = 2.0 m/s hy= 0 m Theoretical: Use the energy method to find v3.…

A: Values given in the question are as follow; θ=40ova=2 mshi=0.702 mhf=0l=3 mm=5 kg According to…

Q: A motorbike engine can develop a power of 90 kW in order to keep a constant velocity of 30 m/s. What…

A:

Q: QUESTION 5 A 0.7-kg ball is thrown with a speed of 14.5 m/s at an angle 38.7 degrees. What is its…

A: At highest point component of velocity in vertical direction becomes zero but component of velocity…

Q: A particle of mass 3.4 kg is constrained to move along the x-axis under a single force F(x) = -cx',…

A:

Q: 2. An 8.00-kg block of ice, released from rest at the top of a 1.50-m-long frictionless downhill,…

A: Givenmass of ice block ,m=8 kgLength of ramp, L=1.5 mFinal speed ,v=2.5 m/s

Q: A 60 kg skier pushes off the top of the frictionless hill at an initial speed of 4 m/s. Hot fats…

A: Using the law of conservation of energy,

Q: 5. What is the kinetic energy of a box of mass 0.75 [kg] sliding on a frictionless surface at a…

A: mass of box (m) = 0.75 kg constant speed (v) = 3 ms

Q: 1. How much mechanical work is done on a brick wall if a man pushing with a 250 N force fails to…

A: We will answer the first question since the exact one is not specified. Please resubmit the request…

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…

A:

Q: 2. A child and a sled with a combined mass of 50.0 kg slide down on a frictionless slope. If the…

A: mass of child +sled, m = 50 kg  velocity, v = 3 m/s

Q: 16. (I) (a) If the kinetic energy of a particle is tripled, by what factor has its speed increased?…

A: We know that  K.E. = 12m v2 a)  so if K.E. has increased by 3 times than the velocity factor must…

Q: A dog with a mass of 57.0 kg slides down a wet slope with negligible friction. The dog starts from…

A: The energy of the dog will be conserved. That is the total initial and final energy of the dog is…

Q: A 2.1 ✕ 103-kg car starts from rest at the top of a 5.2-m-long driveway that is inclined at 24° with…

A: mass, m = 2100 kg  length, L = 5.2 m  Angle, A = 24° Friction force, f = 4000 N

Q: Tarzan grabs a vine hanging vertically from a tall tree when he is running at 9.0m/s.. (a) How high…

A: Initial speed of the tarzan, v = 9.0 ms

Q: 3. An object of mass, m = 56 kg starts to slide from rest on a curved ramp from height, H = 37 m…

A: The given data are listed below with suitable variables. Here, m denotes the object’s mass, H…

Q: 1 Rank the following velocities according to the kinetic energy a particle will have with each…

A:

Q: 1. Give 1 problem for "Kinetic Energy during Plane Motion" and answer it.

A: Problem: What is the kinetic energy of a body having mass 10 kg travelling with a speed of 20 m/s in…

Q: wo blocks with masses m1 = 5 kg and m2 = 15 kg are connected by a rope as shown. The horizontal…

A: Mass m1 =5kg Mass m2 =15kg Displacement (s)=6

Q: **70. A 1900-kg car experiences a combined force of air resistance and friction that has the same…

A: if we assume that the power needed to move up hill is Pup and and Pdown is the needed to sustain the…

Q: A 1.00 kg ball has a speed of 3.16 m's at event 1. See figure. The ball rolls up the ramp, reaching…

A: Kinetic energy of ball at point 2 is as follows…