A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 3.00 m. (Figure 1) What speed does he need at the bottom? Express your answer with the appropriate units. v0 = μA Value Units ?

Q: a. When very massive stars die (stars at least 10 times larger than our sun) they undergo a…

A:

Q: This figure shows the loop-the-loop track for a smaller car. If the initial speed of the car is 4.0…

A: Use energy conservation and force balance equations

Q: 3. A car travels on a circular road with radius R and banking angle ✪ chosen so that at the speed v…

A: Radius is given R.Speed is given v.Angle of inclination is given With all the given information in…

Q: 2. A 175-kg roller coaster car is supposed to make a vertical loop with a diameter of 13.5 m, with…

A:

Q: 6. A tetherball of mass 3 kg is suspended from a rope of length 5.0 m and travels a circle of radius…

A:

Q: A mass "M" hangs by a string from a disk with radius" R" which has a rotational inertia "I". You can…

A:

Q: 2. A block projected up in a frictionless inclined plane with a speed of v,. The angle of incline is…

A: Given Data: The speed of a block is, v0=8.2 ft/s The angle of inclination is, θ=35°   Part (a): The…

Q: How many revolutions per min would a 25- m-diameter ferris wheel need to make for the passengers to…

A: Consider, The passenger's weight is equal to the centripetal force. The equation can be written as:-…

Q: A pendulum ball of mass m is attached to the ceiling by a thin wire of length L. The ball moves at…

A: Answer                B. Is greater than mg Solution

Q: Q.1. Calculate the change in the value of g at altitude 45°. Take radius of earth = 6.37 x 10° km

A: Solution:-Given thatAngle of altitude (θ)=45°Radius of Earth (R)=6.37×103 km=6.37×106 m

Q: QCA bicycle is turned upside down while its Owner repairs a flat tire. A friend spins the other…

A: (a) The first drop rise higher than the second drop because the angular speed of the wheel…

Q: Find the magnitude of the weight of the ball (in newtons). Your Answer: Answer units

A:

Q: 1. An object of mass, m, is dropped from a height, h, on the surface of the earth.... A. What time,…

A:

Q: Point A, at the top or the circle od radius R is connected to different points on this circle with…

A:

Q: 8. You are riding a roller-coaster going around a vertical loop, on the inside of the loop. If the…

A:

Q: A pilot of mass m in a jet aircraft executes a loop-the-loop, as shown in Figure I.5. In this…

A:

Q: A satellite is orbiting around the Earth with a period of 2.3 hr. (Mass of the Earth is 5.98 x 1024…

A: Time period (T) = 2.3 hr mass of earth = 5.98×1024 kg radius of earth = 6.37×106 m

Q: At what point in the swing of the ball does the tension have the greatest magnitude? at the top of…

A: The centrifugal force due to rotation is always radially outward (mv2/r) . And the force due to…

Q: 9. A block is sliding on a frictionless surface which includes a bump. The bump is 0.50 m in height…

A:

Q: A 35 kg object is on the surface of Venus. Venus has a mass of 4.87×1024 kg and a radius of 6.05×106…

A:

Q: Two Jupiter-size planets are released from rest 1.20x10¹1 m apart. Part A What are their speeds as…

A: Because, during the crash the surfaces are in contact. Hence the center to center distance is 2R.As…

Q: initial position E W.

A: The solution can be given as follows :-

Q: 26.  A 0.100kg plastic ball is tied to 1 end of a 1.23m long string and is swung in a horizontal…

A: Given:- m= 0.1 kg r= radius of the circular motion= 1.23 m T= time period of the circular motion=…

Q: 4.0 m/s

A: Given initial speed of the car v = 4.0 m/s When car is at bottom both centripetal force and weight…

Q: A. How fast is she traveling at that instant in time?

A: This problem can be solved using rotational mechanics. Let the weight of the student be M. Let us…

Q: An airplane is flying in a horizontal circle at a speed of 430. km/h (see the figure). If its wings…

A: Given, Speed (v) = 430 km/h Angle = 38 degrees Acceleration due to gravity (g) =

Q: 13. A roller coaster at the Six Flags 2C Great America amusement park in Gurnee, Illinois,…

A: since the question contains more than 3 subparts, the solution for the first three is provided here.…

Q: A car makes a 50-m-radius turn on a flat road with no banking. The car speeds up until a book on the…

A:

Q: Scientists want to place a 4100 kg satellite in orbit around Mars. They plan to have the satellite…

A: If a particle moves in a circle of radius of r with speed v, the acceleration of the particle is…

Q: L. Someone gives it a push, causing it to swing around in a horizontal circle with a constant speed…

A:

Q: One end of a string of length 1.5m is tied to a stone of mass 450gram is swung in a vertical circle.…

A:

Q: During an Olympic bobsled run, the Jamaican team makes a turn of radius 7.8 m at a speed of 94.8…

A: The expression for find acceleration is a=v2r

Q: 8. A 1000 kg car travels from point A to point B, rounding the turn of radius 7o meters with a…

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

Q: If it usually takes you three hours to arrive to Aqaba (from Amman) using a passenger car with a…

A: Time , T1 = 3 hours  Mass speed , V1 = 100 km/hr To find = Time required with the given vehicle.

Q: Moon's centripetal acceleration in its orbit around the Earth.

A: Given: The time period of moon orbiting the earth is T=28 days Distance between earth and moon is…

Q: 8. Determine the maximum speed in (m/s) that a race car can have on a Nascar track so that it can…

A: Given Data The angle of elevation is:θ=24o The coefficient of static friction is: μs=1 The radius…

Q: An airplane is flying in a horizontal circle at a speed of 440. km/h (see the figure). If its wings…

A: The speed of the plane is  v=440 km/hr=440×518 m/s=122.22 m/s The forces acting on the wing are…

Q: Pluto moves in a fairly elliptical orbit around the sun. Pluto's speed at its closest approach of…

A: At a distance of closest approach:Distance of Pluto from the sun, d1 = 4.43 x 109 km speed of Pluto,…

Q: H What is the MINIMUM speed a roller coaster can through the top of a loop where R = 4.4 meters?…

A:

Q: 3. In the future, we may encounter a civilization from another planet. They will not use the SI or…

A: Given: Gravitational acceleration a=3.7 m/s2 Unit of mass is Zerf Unit of force is Spund To find (a)…

Q: Determine the following. a. What is the acceleration due to gravity on the surface of the Moon?…

A: a) Mass and radius of moon are Mm=7.4×1022 kgRm=1740×103 mG=6.7×10-11 N.m2/kg2

Q: A 100 kg cart goes around the inside of a vertical loop of a roller coaster. The radius of the loop…

A:

Q: A weather satellite orbits 2,550,000 m above the earth's surface. What velocity must be maintained…

A:

Q: An electric fan goes from rest to 2100 rpm in 4.8 s Part A What is its angular acceleration? Express…

A: Initial angular speed (ωo) = 0 rad s-1Final angular speed (ω) = 2100 rpm = 2100×2π60= 219.91 rad…

Q: A boy takes a 2.0-kg rock and ties it to the end of a light, uniform, 0.80-m-long rope. He then…

A: At the top of the circle, there will be three forces, the tension on the rope, the weight of the…

Q: a. You're driving over the top of a hill with a radius of 15.075 m. How fast would you need to drive…

A: In general case, the centrifugal force and the normal reaction will balance the weight. So we have…

Q: 46. A 2.55 kg bucket of sand is attached to a 1.31 m long rope and is swung in a vertical circle. At…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!