A child on a sled with a total mass of 58.0 kg slides down an icy hillside with negligible friction. The sled starts from rest and has a speed of 3.90 m/s at the bottom. What is the height of the hill (in m)?

Q: A 0.150kg glider slides on an ice pond with negligible friction with speed of 0.8 m/s. It has a…

A:

Q: A 5.2 x 105 kg subway train is brought to a stop from a speed of 0.95 m/s in 0.57 m by a large…

A: Given, The mass of the subway train = 5.2×105 kg =m  Initial velocity of the train = 0.95 m/s = Vi…

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: han on a motorcycle plans to make a jump as shown in the figure. e leaves the ramp with a speed of…

A: u = 32 m/s  ux= 30.4m/s at max height

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

A:

Q: A sled and a rider together have a combined mass of 87 kg. They slide from rest down a frictionless…

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: An adult dolphin weighs about 1700 N. With what speed v; must he be moving as he leaves the water in…

A: Data Given ,  Weight of the dolphin ( W ) = 1700 N height of the jump ( h ) = 2.50 m

Q: A box with mass m = 1.5 kg is sliding with a speed of 4.0 m/s on a horizontal surface. When at x =…

A: Consider the following figure.   When the box lies at O, and the speed of the box is given as, u =…

Q: A 30.1 kg child on a sled slides down a hill, reaching a speed of 6.65 m/s. How high was the hill…

A: Given, Mass of child,m=30.1 kg Speed,v=6.65 m/s

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

A:

Q: A block slides down a frictionless inclined ramp. If the ramp angle is 19.0° and the length of it is…

A:

Q: If the skier coasts up the hill, what is his speed (in m/s) when he reaches the top plateau? Assume…

A: Energy can neither be created nor destroyed. It is simply converted from one form to another and the…

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

A:

Q: A 150kg roller coaster car rolls frictionlessly down a 30m tall hill. If the car was initially at…

A: Mass (m) = 150kg  Height (h) = 30m

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

A:

Q: At what speed does the crate reach the bottom of the inclined plane?

A: Analyze the following diagram. The plane’s height can be represented as, Substitute the relevant…

Q: A bobsled makes a run down an ice track starting at 150m vertical distance up the hill. If there is…

A:

Q: A sled of mass 1.59 kg has an initial speed of 4.84 m/s across a horizontal surface. The coefficient…

A: Please note : As per answering guidelines I can answer the first question only.Since, this is not a…

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: 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: If the speed of a car is increased by 95%, by what factor will its minimum braking distance be…

A: Consider the initial speed of the car is u.

Q: A skier starts going down a rocky hill that is inclined 30 degrees from the horizontal. It is 2 km…

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: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

A: Given Data:- Initial speed of the car is v=25 m/s Height of the hill is h=10 m Required:- Speed of…

Q: A 2100 kg car starts from rest at the top of a driveway that is sloped at an angle of 20° with the…

A: Given data: Mass of the car, m=2100 kg Angle, θ=20° Energy lost, ΔE=20×103 J Speed of the car at the…

Q: a roller coaster car starts from rest atop a hill of height h, and rolls down a frictionless track,…

A: According to law of conservation of energy, potential energy at the top of hill will be equal to…

Q: During the Powerhouse lab, Jerome runs up the stairs, elevating his 102 kg body a vertical distance…

A: The mass, m=102 kg   The vertical distance, h=2.29 m   The time duration, t=1.32 s

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

A: Given: Mass of dog m=57 kg Initial velocity u =0 m/s Final speed v=2.10 m/s

Q: A sled and a rider together have a combined mass of 87 kg. They slide from rest down a frictionless…

A:

Q: Using a simple pulley and rope system, a т, crewman on an Arctic expedition is trying to…

A: Draw the free-body diagram of the block and crewman as shown below.

Q: A skier leaves the top of a slope with an initial speed of 5.0 m/s. Her speed at the bottom of the…

A:

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

A:

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: A block slides down a frictionless inclined ramp. If the ramp angle is 17.0° and its length is 30.0…

A:

Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…

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 6 kg block, initially moving 4 m/s, slides 2.5 m down a ramp that is inclined 20 degrees above…

A: Given data: Mass of block is, m=6 kg. Initial speed of block is, u=4 m/s. Distance covered during…

Q: How much time will it take for a 12.5-hp electric motor to lift an elevator weighing 1850 Ib by 3…

A: Given,

Q: A toad with mass of 280 g leaps into the air to catch a fly. If the toad's jump was at an angle of…

A: Given that mass of the toad and angle and also given the initial velocity. Then We have to determine…

Q: A 0.07 kg hockey puck slides across an icy surface and experiences a small friction force of 0.08 N…

A:

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 motorbike engine can develop a power of 90000 W in order to keep a constant velocity of 30 m/s.…

A:

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…