A waterslide is 42m long and has a vertical drop of 12m. If a 60kg woman starts down the slide with a speed of 3.0m/s, calculate her speed at the bottom. There is a 120N average friction force opposing her motion.

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

A: Given data :  hC = 7.0 m Velocity at position C (Vc) = 25.4 m/s Velocity at position A (VA) = 0 m/s

Q: A canister is dropped (no initial velocity) from a helicopter 3500 m from the ground. The parachute…

A: Initial velocity is Vertical distance is Impact velocity is Find:The canister will burst or not.

Q: jump a skier leaves at 15.0 m/s at angle q. With what speed is he traveling at his maximum height of…

A: GivenInitial velocity of skier, u=15 m/s at angle qMaximum height, hmax=4.5 m

Q: A worker on a rooftop is startled by a snake, scoops it with a shovel and throws it down the…

A: Initial speed, u = 16 m/s Maximum height, h = ?  Acceleration due to gravity, g = 9.8 m/s²

Q: OK, same sort of track, but now with d = 4.21 m. Now suppose the blocks starts on the track at x =…

A:

Q: What is the rocket's acceleration, in meters per squared second, during the period from engine…

A: The rocket reaches the height h=1.04 km due to thrust. But after that its fuel runs out.

Q: how tall is the building?

A: Given data: The final velocity attained by the water balloon is: v = 40.5 m/s The height of the…

Q: the base of a frictionless icy hill that rises at 25.0∘ above the horizontal, a toboggan has a speed…

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Q: The best rebounders in basketbal have a vertical leap of about 111.13 cm. What is their initial…

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: A 5kg ball is thrown straight into the air at 5 m/s. How high does it travel?

A: Given data :                  Mass of the ball, m = 5 kg                  Initial speed of the ball…

Q: Tarzan is running at top speed 28.8 kph and grabs a vine hanging vertically from a tall tree in the…

A: Given, Speed=28.8km/h

Q: The known elevations of the ski jumping hill shown below are as follows: hB = 1.5 m hC = 7.5 m If…

A:

Q: A skier starts from rest and slides 19 m down a slope in 6 seconds. At what time after starting will…

A:

Q: A box is thrown (at an unknown angle) with a speed of 17.8 m/s from the top of a 28.4 m high cliff.…

A: Initial speed (u) = 17.8 msThe height of cliff (h) = 28.4 m Let the mass of box = m

Q: A running ger jumps suh that it leaves the ground at a speed of 16 m/s at an angle of 45 above the…

A:

Q: In Dover, Delaware, a post-Halloween traditionis “Punkin Chunkin,” in which contestants build…

A:

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: A projectile of mass m = 1.20 kg is fired straight up in the air with an intial speed of 40 m/s…

A: Given data The mass of the bullet or projectile is given as m = 1.20 kg. The initial speed of the…

Q: es off a horizontal tabletop with a speed of 2.5 m/s. It strikes the floor in 0.50 Ignore air…

A: We know that the physics book slides off a horizontal tabletop with a speed of 2.5 m/s. It strikes…

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

A:

Q: Santa loses his footing and slides down a frictionless, snowy roof that is tilted at an angle of…

A: Given,

Q: Neglecting friction and air resistance, a car with an initial velocity of 76.5 km/h coasts up a hill…

A: given             initial velocity of car =vi= 76.5 km/h  = 21.25 m/s             final velocity of…

Q: student releases a ball  from a tall 41.4-m tower. What is the velocity of the ball at the moment…

A:

Q: Falls resulting in hip fractures are a major cause of injury and even death to the elderly.…

A: Given data,Initial speed, vi = 2.0  m/sFinal speed, vf = 1.3  m/sCompression distance, d=2.0 cm =…

Q: Dodoy is a professional stuntman who has from a cliff. What should be his minimum speed as he leaps…

A:

Q: A daring 510 N swimmer dives off a cliff with a running horizontal leap, as shown in Fig. . What…

A: We first calculate the time of her fall using kinematic relations and then get the horizontal speed…

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

A:

Q: Eliza tossed a log at an initial velocity of 10 m/s, at 30º from 1 m off the ground. She did not see…

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Q: To what maximum height above the bottom of the hill does the box reach before stopping?

A:

Q: While standing at the edge of the roof of a building, a man throws a stone upward with an initial…

A: To solve the given question, we will use the conservation of energy.

Q: OK, same sort of track, but now with d = 4.63 m. Now suppose the blocks starts on the track at x =…

A: Given x= 4.73 m d= 4.63 m To find out initial speed v

Q: An explosion causes debris from the ground to rise vertically with an initial velocity of 160 feet…

A: Given data: Initial velocity (v0) = 160 ft/s Height (h) = 300 ft Required: The speed at height 300…

Q: OK, same sort of track, but now with d = 2.66 m. Now suppose the blocks starts on the track at x =…

A:

Q: A baseball

A:

Q: A man steps outside one winter day to go to work. His icy driveway is 8.0 m long from top to…

A: