A 34.2-kg child starting from rest slides down a water slide with a vertical height of 11.5 m. (Neglect friction)  What is the childs speed halfway down the veritical slide what is the childs speed three fourths on the way down

Q: A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500 N. What…

A: Given,mass of the car, m = 710 kgspeed of the car, v = 23 msdrag force, F = 500 Nslope of the…

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: at an amusement park, a swimmer uses a water slide to enter the main pool.the swimmer slides without…

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Q: problem 1 Compute the kinetic energy, in Joules, of a 1,600-kg automobile traveling at 50 kph.

A: Since you have posted multiple questions we will solve the first question for you. If you want any…

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

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Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 30.5 m/s as in the figure…

A: Given, Initial velocity is 30.5 m/s velocity at maximum heigh is 28.8 m/s

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 38.9 m/s as in the figure…

A: KEBottom-KEtop=PE0.5mvbottom2-0.5mvtop2=mghh=0.vbottom2-0.5vtop2g

Q: A physics teacher decides to perform an experiment and drop a watermelon from a height of 10 meters.…

A: Given Mass of roller watermelon is m=10 kg Acceleration due to gravity is g=9.80  m/s2 Height is…

Q: Using the Work-KE Theorem, calculate the ratio of the forces needed to bring a 1545-kg car to a stop…

A: The unit for speed given in the question is km, which is incorrect. So it is assumed km/h, it is…

Q: A 15 kg brick moves along an x axis. Its acceleration as a function of its position is shown in the…

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Q: A driving force of 200 N is needed for a car of mass 800 kg to travel along a level road at a speed…

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Q: A block slides down a 100m inclined plane. Suppose that the incline is frictionless, what is the…

A: Height of the inclined plane = h = 100 m Speed of the block at the bottom = v = ?

Q: A 7.3 kg brick moves along an x axis. Its acceleration as a function of its position is shown in the…

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Q: A cyclist coasts up a 11.1° slope, traveling 23.0 m along the road to the top of the hill. If the…

A: Data Given ,  Cyclist's initial speed ( V0 ) = 9.50 m/s Distance travels along the road to the top…

Q: A 70-kg skier accelerates down an icy hill from an original height of 530 meters. Use the…

A: Given Data :- Mass of the skier is m=70 kg Height of the hill is h=530 m Energy lost due to external…

Q: What is the shortest possible time for a forklift with a 2¾ horsepower lifting motor to raise a…

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

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Q: A two-man bobsled has a mass of 350 kg. Starting from rest on a level road, the two racers push the…

A: Given data: -  The mass of the bobsled is m = 350 kg. The net force on the bobsled is F = 290 N.…

Q: A cyclist coasts up a 12.1° slope, traveling 16.0 m along the road to the top of the hill. If the…

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Q: what is the power required for a 55 kg student to run up a set of stairs that has a height of 20 m…

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Q: 8) A 60.0 kg student starts from rest (Point A) and slides 26.0 m down a hill where the average…

A: Given: Mass of student = 60 kg Length of the hill = 26 m Height of the hill = 17 m Frictional force…

Q: There is a Cathedral-of-Learning race in Pittsburgh in which participants run up and down the steps…

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Q: A cube with a mass of 2.5 kg slides down from the top of a frictionless ramp 1.5 m high. The ramp is…

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Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 34.6 m/s as in the figure…

A: Initial velocity (V°) = 34.6 m)/s Final velocity (Vf) =33 m/s

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

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Q: A particle has a potential energy given by the function PE = - 6x3 + 43x, where x is meters.  Find…

A: Force F=-dUdx=-ddx-6x3+43x=18x2-43

Q: A 5.0-kg rock falls off of a 10 m cliff. If air resistance exerts a force of 10 N, what is the…

A: mass, m = 5 kg  height, h = 10 m resistive force, f = 10 N  initial velocity, u = 0 m/s

Q: A 20-kg child slides down a 3.0m-high playground slide. She starts from rest and her speed at the…

A: Given Height of the playground is h=3.0 m Mass of the child is m=20 kg Initial speed of the child is…

Q: The force acting on a particle is F(x)= 2x- 2x, where F is in N and x is in meters. Find the net…

A: In one dimensional motion of a particle, work done is given by, W=∫x1x2F(x)dx. Where F(x) is force…

Q: How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and…

A: Answer Given  Initial speed of the car vi = 155 km/h We have to change the value into m/s 155 km/h =…

Q: 21. At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts…

A: Given data:  Initial velocity (Vi) = 0 m/s Height (h) = 2.31 m Required: The final speed at the…

Q: Justin moves a desk 5.00 m across a level floor by pushing on it with a constant horizontal force of…

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

A: During free fall if the air resistance is neglected the final velocity of a body dropped from a…

Q: A force of 5 pounds is required to hold a spring that is stretched 0.3 feet beyond it's natural…

A: Given:- F = 5 pounds x = 0.3 ft To find:- Work done in order to stretch the spring 1.1 feet beyond…

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

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Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 33.8 m/s as in the figure…

A: This problem is related to conservation of energy.

Q: (a) Salim who participates in motor race, leaves the end of a ramp with a speed of 90km/hr as in…

A: Note:- Since you have asked multiple question, we will solve the first question for you. If you want…

Q: A daredevil on a motorcycle leaves the end of a ramp with a speed of 39.6 m/s as in the figure…

A: Since the friction and air resistance are ignored; only the gravitational force acts on the…

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

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

A: Given: The intial speed of the motorcyclist is 30 m/s. The speed of the object at top of the…

Q: (a) Salim who participates in motor race, leaves the end of a ramp with a speed of 90km/hr as in…

A: At maximum height velocity (v 0y)=85 km /hr  , initial speed ( v0 ) = 90 km /hr  Applying the…

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 daredevil on a motorcycle leaves the end of a ramp with a speed of 32.4 m/s as in the figure…

A: velocity, v = 32.4 m/s  horizontal component of velocity, vx = 30.5 m/s

Q: A 1418 kg car can accelerate to 95 km/h in 6.75 s.  What is the average power delivered by the…

A: Given: The mass of the car is 1418 kg. The velocity of the car is 95 km/h. The time taken is 6.75 s.…

Q: A 18 kg sled starts up a 28 degree incline with a speed of 2.3 m/s. The coefficient of kinetic…

A: Drawing free body diagram for sled:-   Net force along vertical direction, ΣFy = Fn = mg cosӨ = 0…

Q: A child of mass m = 29 kg slides down a slide of height h = 2.4 m without friction. Let…

A: Given: The mass of the child is 29 kg. The initial height of the child from the ground is 2.4 m.