A 53.0-kg skier starts from rest from the top of a 65-m high slope.  What is the speed of the skier on reaching the bottom of the slope? (Neglect friction.) Answer: _________ m/s  (round to the nearest tenth)

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

A:

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

A:

Q: If a 1000-lb safe is pushed out of a tenth story window (100 ft above the ground), what is the speed…

A: Velocity of the safe when it hits the ground v2=u2+2asv=u2+2gh

Q: A 690-kg automobile is moving at 24.1 m/s at a height of 3.8 m above the bottom of a hill when it…

A:

Q: A girl and her bicycle have a total mass of 42 kg. At the top of the hill her speed is 4.00 m/s. The…

A:

Q: A 14 kg penguin slides on its belly down an icy, frictionless glacier. If the penguin started from…

A: Write the given values of the problem- Mass=14 kg final speed(vf) vf=14 m/s

Q: roller-coaster car is moving at 20 m/s along a traight horizontal track. What will its speed be…

A:

Q: A 1500 kg car is approaching the hill at 10 m/s when it runs out of gas. What is the car's speed…

A: Write the mass of the car.   m=1500 kg   Write the initial velocity of the car during approaching…

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

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 kid on a bike goes from the bottom to the top of a 25 m hill. What minimum speed would the kid…

A: h=25 m.

Q: A ball of mass M is dropped from the top of a tall building of height h, as shown in Figure, if…

A: Answer               C (gh)0.5 Solution

Q: A skiier is moving at a speed of 2.50 m/s when passing the starting line on a hill that initially…

A: Consider the diagram for the motion of the skier on the hill.

Q: A roller coaster starts from rest at its highest point and then descends on its (frictionless)…

A:

Q: An 80-kg jogger that is initially running at 5.0 m/s uniformly accelerates to 8.0 m/s in a time of…

A: Mass of jogger = 80 kg  Initial speed of jogger = 5.0 m/s  Final speed of jogger = 8.0 m /s

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

A:

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

A:

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

A:

Q: A skier is sliding downhill at 7 m/s when she reaches an icy patch on which her skis move freely…

A: Details Given: v1= 7m/s h = 9m g = 9.8m/s2

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

A:

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

A: Given values: Equation of y, y=x2d           for x<0y=-x2d       for x>0 Value for d = 2.10 m…

Q: 4) The total mass of the sled and the driver on it in the figure is 125 kg. The driver is moving up…

A: Explanation and solution shown in the picture below

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

A: Given : H=2.6 m, h= 0.69m

Q: A cyclist coasts up a 10.7° slope, traveling 22.0 m along the road to the top of the hill. If the…

A:

Q: A child on a sled starts from rest at the top of a 20.0° frictionless slope that is 100m long. What…

A:

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: An object is thrown vertically upward from the ground level. It reached a maximum height H. If air…

A:

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

A:

Q: What is the maximum speed of a 1000 kg roller coaster car at the bottom of a 97 m hill?

A: Given: mass of the roller coaster m = 1000Kg            height of the hill h = 97m Find: Maximum…

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

A:

Q: A.2.1x 10-kg.car starts from rest at the top of a 5.8-m-long driveway that is inclined at 15° with…

A: Given data: Mass of car (m) = 2.1×103 kg Displacement along driveway (d) = 5.8 m Angle with…

Q: Salim who participates in motor race, leaves the end of a ramp as in Figure. If his speed is 85.0…

A: Given:  Velocity at the time to leave the ramp, u = 90 km/h = 25 m/s  velocity at maximum height, v…

Q: 1) 4 m/s A cart starting from rest rolls down a hill and at the bottom has a speed of 4 m/s. If the…

A:

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

A:

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

A: Given that -  Initial velocity=v=28 msHorizontal component=vx=25.6 ms As we know,  vx=vcosθ…

Q: A particle of mass 4 kg acted upon by a force varies with position X as shown. The particle is at…

A: Speed of particle at X=5 m is  V = 10 m/s

Q: A two-man bobsled has a mass of 290 kg. Starting from rest, the two racers push the sled for the…

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…

Q: A 500. kg pig is standing at the top of a muddy hill on a rainy day. The hill is 100.0 m long with a…

A: The pig has Potential Energy at the top of the hill. As it rolls down, the Potential energy is…

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

A: Determine the function y at x = -2.64 m. Determine the function y at x = 0 m.

Q: 100 m 450 45 m 30 m A skier starts at rest on the frictionless slope shown, 100 m above ground…

A: Given Motion start by skier from 100 m height as shown in the figure. All surfaces are smooth. We…