How much force is needed to accelerate a 66kg skier at 2m

Q: 1). what is the speed of a 14 kN body at rest then falling from a height of 238 m.

A: Given that:-u=0g=9.8 m/s2Falling from Height, S=238 mForce, F=14kN=14×103 N

Q: An aircraft lands with a velocity of 79m/s and decelerates along the runway at 1.3m/s^2. How much…

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Q: A 73.0-kg skier starts from rest from the top of a 49-m high slope. What is the speed of the skier…

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Q: In the physics Lab the students release a 0.800 kg cart from the top of a ramp. It reaches a speed…

A: PEtop=KEbottommgh=0.5mv2h=0.5v2g

Q: 1- A hijacker drops an 80 kg chest of gold from an airplane. Neglecting air resistance, how far does…

A: (1) Assume a mass(m) chest of gold in a kilogram is dropped by a hijacker from an airplane.…

Q: A child and sled with a combined mass of 53.9 kg slide down a frictionless slope. If the sled starts…

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Q: An aircraft lands with a velocity of 79m/s and decelerates along the runway at 1.3m/s^2. How much…

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Q: 7. If the 60-kg skier passes point A with a speed of 6 m/s, determine her speed when she reaches…

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Q: a man in a sled, with a total mass of 125kg slides down a grassy hill and reaches a speed of 8 m/s…

A: Total mass of man and sled, m=125 kg   The velocity of man and sled at the bottom, u=8 m/s   The…

Q: You push a file cabinet up a frictionless ramp tilted at 10°with horizontal. The file cabinet has a…

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Q: 71.0-kg skier starts from rest from the top of a 55-m high slope.  What is the speed of the skier on…

A: Given: The mass of the skier is 71 kg. The height of the skier is 55 m. The initial speed of the…

Q: If a 3.15 kg object is placed on a frictionless incline of 70.5 º and released from rest, what is…

A: Given, mass of the object, m = 3.15 kg angle of inclination of the plane, θ = 70.5° initially the…

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: During a water balloon fight at a college dormitory, a student drops a 0.80-kg water balloon from a…

A: Given data: m=0.8 kgv=14 m/s Need to determine the height of the window.

Q: 23 kg child descends a 4.5 m high frictionless slide. What speed will the child reach the ground at…

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Q: Tarzan wants to use a vine to swing over a canyon to get to the other side of a cliff. He is able to…

A: Given: The maximum force on the vine is, T = 1270 N. The mass of the tarzan is, m =81.1 kg. The…

Q: A 100 kg desk is pushed across a floor at a constant speed of 1m/s. How much the employee do on the…

A: Mass of desk (m) = 100 kg initial constant speed of desk (u) = 1 m/sfinal speed (v) = 4 m/s

Q: A hot-air balloonist, rising vertically with a constant velocity of magnitude 5 m/s, releases a…

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Q: A 15kg object, resting on a frictionless table, is acted by horizontal force of 7N. How long would…

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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 net force of -9.0x103 n is used to stop a 1500kg car traveling at 20m/s. What is the braking…

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Q: Extra credit: A ball is thrown straight up with a velocity of 15 m/s. What maximum height does the…

A: Given data The initial velocity of the ball is u = 15 m/s.   The maximum height is calculated as,…

Q: A spring hangs down from a ceiling a distance of 7 cm. When a mass of 171 grams is attached, the…

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Q: Please help

A: Please see the attached image for the solution.If there are queries or if the image is not loading,…

Q: A 53.0-kg skier starts from rest from the top of a 65-m high slope.  What is the speed of the skier…

A: In the given question We have to determine the speed of the skier on reaching the bottom.

Q: = 75 N for a distance Ax = 2 m along a (mostly) A hand pushes block A (ma =3 kg) with a constant…

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Q: At what speed does an object move so that its mass is 10% greater?

A: According to the Einstein's special theory of relativity, the relativistic mass of the object is…

Q: What average net force is required to bring a 1500-kg car to rest from a speed of 100 km/h within a…

A: Given,  Mass of car = 1500 kg Speed= 100 km/h Distance =55m We need to calculate,  Average net force…

Q: A 65.0 kg skier with an initial speed of 10.0 m/s coasts up a 2.50 m high rise as shown in the…

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Q: One stone is falling from rest from the top of a hill. After 1s, a second stone is thrown downward…

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Q: a 60 kg object is moving at 20m/s when a force brings the object to rest in 0.050 seconds. of the…

A: Given, mass of the object (m) = 60 kg  Initial speed (u) = 20 m/s  Final speed (v) = 0 m/s  Time…

Q: A skier starts to slide from the 20 m high ramp for the first time without speed and without…

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Q: A farmer pulls a 0.5 kg bucket full of water from a well, only slightly accelerating it from 0.3 m/s…

A: Given data: mass(m)= 0.5 kg Distance pulled (s)= 6 m Initial velocity (u)= 0.3 m/s Final velocity…

Q: Bob drives a 3500kg truck off a cliff at an initial speed of 11m/s. The truck hit the bottom of the…

A: Given in question - Mass of truck(m) = 3500 KgInitial speed(u) = 11 m/sFinal speed(v) = 18 m/sTo…

Q: An object is thrown up from the height h0 with the speed 20 m/s. If the maximum height that the…

A: Given data The initial height is ho The maximum height is h1=30 m The initial speed is u=20 m/s The…

Q: A 0.1 kg apple hits the ground with a speed of 17 m/s. From what height was the apple dropped? I am…

A: Given  Mass(m) = 0.1 kg  Speed at the ground (v) = 17 m/s  Let , initial height of apple is 'h' .…

Q: A 1100-kg car travels at 26 m/s and then quickly stops in 3.4 s to avoid an obstacle. What is the…

A: Given data:  Mass (m) = 1100 kg Initial velocity (u) = 26 m/s Final velocity (v) = 0 m/s Time (t) =…

Q: 9. The tow truck operator has forgotten to tie down Granny's car (m = 1600 kg). It starts to slide…

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Q: A 1500 kgkg car skids to a halt on a wet road where μk = 0.49. How fast was the car traveling if it…

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

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Q: A hand pushes block A (ma= 3 kg) with a constant force Nand, A= 75 N for a distance Ax = 2 m along a…

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Q: A 40.2 box initially at 4.19m/s on a rough surface is brought to rest by an 18.7N force due to…

A: Using Work-Energy theorem, W=∆KE-Ffrd=12mv2-u2d=mu2-v22Ffr

Q: A 60.0 kg skier with an initial speed of 15 m/s coasts up a 2.50 m high rise as shown in the figure.…

A: By work energy theorem  (1/2)×m×(vf2-vi2) = -mgh - ukmgh  (1/2)×(vf2- 152) = -9.8×2.5×(1+.39)  vf2 =…

Q: Gadon leaves the top of a hill with an initial speed of 5.0 m/s. His speed at the bottom of the hill…

A: Given data as per question v  =  13m/s u   =  5m/s g  =  9.81m/s2

Q: The driver of a 2150 kg car applies the breaks on a dry concrete road. Calculate the force of…

A: Given data The mass of the car is m = 2150 kg. The coefficient of friction is given as μk=1.02. The…

Q: I Review I A 4500 kg spacecraft is in a circular orbit 1500 km above the surface of Mars (my = 6.42…

A: The work done is given by  W = - G M m1r2-1r1 where, M is the mass of planet , m is the mass of…

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…