he a body is moving in a circular track of radius 100m with a velocity 120m/s.determine the banking angle of the track (g=9.8m/s)

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  1. physics

    1 a cyclist moving on a circular track of radius 100m completes one revolution in 2 minutes what is his average speed and average velocity in one full revolution. 2 moving with uniform acceleration a body covers150m during 10 sec so that it covers 24m

  2. physics

    a body moving with a uniform acceleration travels distances of 24m and 64m during the first two equal consecutive intervals of time each of duration 4s.determine the initial velocity and acceleration of moving body.

  3. physics

    A cyclist moving on a circular track of radius 50m completes one revolution in 4min .what is the average speed

  4. Physics

    a lunar landing module is descending to the moon's surface at a steady velocity of 10 m/s. At a height of 120m, a small object falls from its landing gear. Taking the moon's gravitational acceleration as 1.6m/s^2, at what speed, in m/s, does the object

  5. Physics

    Consider a circular track with a radius of 200 meters. A runner starts on the east side and runs around the track to a point diametrically opposite her starting point. -What is the magnitude of her displacement? 400m -She then runs the rest of the way

  6. Physics

    A runner runs around a circular track with a radius of 50m.if he runs half way round the track from a to b.am i correct if i say his distance is 100m?

  7. Physics

    A block of mass m1=1.6kg, initially moving to the right with a velocity of +4m/s on a frictionless horizontal track, colides with a massless spring attached to a second block of m2=2.1kg moving left with a velocity of -2.5m/s. The spring constant is 600

  8. Science

    1. A body is moving along a circular path of radius R. What will be the distance covered and the displacement of the body after half a revolution? 2. A person starts from his house and travels a circular distance of 15 km around the walled city before

  9. Physical Science

    So, please check my answers here: 1. Which example identifies a change in motion that produces acceleration? A) A speed skater moving at a constant speed on a straight track** B) A ball moving at constant speed around a circular track C) A particle moving

  10. Physics

    A body P of mass 5kg moving with a velocity of 30M/s collids with another body q moving in opposite direction with a velocity of 20m/s.If the bodies now move in the direction of P at velocity 10m/s.calculate the mass of q

  11. Physics

    A body is moving with uniform acceleration covers 100m in the first 10s and 150m in the next 10s. Find the initial velocity of the body.

  12. Physics

    A circular track has several concentric rings where people can run at their leisure. Phil runs on the outermost track with radius rP while Annie runs on an inner track with radius rA = 0.90 rP. The runners start side by side, along a radial line, and run

  13. Physics

    A body B moving with a velocity of 20m/s collides with another body A, moving in the same direction on same horizontal line, with a velocity of 10m/s. If the mass of a body A is three times the mass of a body B, and the collision is perfectly elastic.

  14. physics

    1.Moving with uniform acceleration a body covers 150m during 10sec so thet it covers 24m during the 10th sec .What is the initial velocity and the acceleration of the body. 2.A runner travels 1.5 laps around a circular track of 50sec .The diameter of the

  15. physics

    A small toy car is moving around a circular path once in every 8 sec. The radius of track is 3m. find speed of car.

  16. MATH

    A runner sprints around a circular track of radius 100m at a constant speed of 7 m/s. The runner’s friend is standing at a distance 200m from the center of the track. How fast is the distance between the friends changing when the distance between them is

  17. math

    Problem 1:A semi-circular garden has a radius of 10 meters. What is its area? ( Use pi =3.14) Answer:157m^2 Problem 2:The base of a cylindrical tank has a radius of 4.5 meters. What is its area? ( Use pi=3.14) Answer:65.585m^2 Problem 3:In the middle of a

  18. physic

    A race car travels 950 km around a circular sprint track of radius 1.343 km. How many times did it go around the track?

  19. Physics

    A cyclist moving on a corcular track of radius 40m completes half a revolution in 40 sec. Its average velocity is nearly

  20. physics

    You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why

  21. Physics

    A race car starts from rest in the pit area and accelerates at a uniform rate to a speed of 35 m/s in 11s, moving on a circular track of radius 500 m. Determine the tangential and centripetal components of the net force excreted on the car(by the ground)

  22. math

    a circular track has a circumference of 200 pi squared meters. what is the radius of the track?

  23. Math

    When a marathon runner completes 3 round around a circular track he covers a distance of 66 km.find the radius of track.

  24. kinematics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

  25. Science

    A body of mass 8kg moving with a velocity of 10m/s collides with another body of mass 6kg moving in the opposite direction with a velocity of 50m/s.determine their common velocity in the direction of A after collision

  26. physics

    A car P is moving with uniform speed of 5m/s towards a carriage of mass 9kg at rest kept on the rails at point B. the height of AC is 120m.cannon balls of 1kg are fired from the car with an initial velocity of 100m/s at an angle 30 degree with the

  27. ALGEBRA - Proportional

    The velocity ( v meters per second ) of a body is known to be proportional to the sqaure root of it's kinetic energy ( e ejoules). When the velocity of a body is 120m/s it's kinetic energy is 1600J. Write down the relationship between v , e using k as the

  28. Physics

    2. Determine the velocity that a car should have while traveling around a frictionless curve of radius 100m and that is banked 20 degrees.

  29. physics

    (1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re), where Re is the

  30. Physics

    If a cyclist takes two minutes to complete half revolution on a circular path of 120m radius.what is the average speed?

  31. Mathematics

    A body of mass 2kg moving with a speed of 10m/s in the direction (3i+4j) collided with a second body B of mass 3kg moving with a velocity of (i+8j)m/s and they moved together after collision. Calculate their common velocity

  32. physics

    A racing car travels on a circular track of radius 399 m, moving with a constant linear speed of 40.5 m/s. Find its angular speed. Answer in units of rad/s

  33. physics

    he a body is moving in a circular track of radius 100m with a velocity 120m/s.determine the banking angle of the track (g=9.8m/s)

  34. Physics

    A body of mass m is moving a circular track of radius r with a tangential velocity V. Write an expression for *The angular momentum *The centrifugal force

  35. engineering mechanics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

  36. Physics

    You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why?

  37. science

    a body B moving a velocity of 20m/s collid with anothet body A moving in the same direction on the same horzontal line with a velocity of 10m/s, if the of body A is three time the same of body B and the collion perfectly elastic calculate the velocity of A

  38. Physics help

    A motorbike starts from rest at time t=0 and begins to accelerate around a circular track as shown in the figure below. Eventually, at time t=t1 the motorbike reaches the maximum velocity possible without slipping off the track. What's the minimum length

  39. Physics

    A motorbike starts from rest at time t=0 and begins to accelerate around a circular track as shown in the figure below. Eventually, at time t=t1 the motorbike reaches the maximum velocity possible without slipping off the track. What's the minimum length

  40. torque physics

    a body of mass 5kg starts rotaing from rest on a circular track of radius 8m after 1mint it towards 5 rotations per30sec find the torque

  41. Physics

    How much work is done by the centripetal force (in this case, the friction between the tires and the road) on a 1200 kg car moving on a circular track of radius 50 meters at a constant speed of 31.4 m/s?

  42. Physics

    I THINK SOMEONE HAS THIS SAME QUETION! A massless spring of constant k = 91.0 N/m is fixed on the left side of a level track. A block of mass m = 0.50 kg is pressed against the spring and compresses it a distance of d. The block (initially at rest) is then

  43. science

    A block of mass 0.5 kg is pushed a distance x against a spring with k=450 N/m. When released the block slides along a frictionless horizontal surface to a point B, the bottom of a vertical circular track of radius R=1 meter. The track is not smooth. When

  44. physics

    a 70 kg cart on a roller coaster has a motor that keeps it moving at constant speed in a circular, vertical loop whose radius is 14 meters. At point A, the centripetal force on the cart is 1000 N. The cart has wheels on both sides of the track so that it

  45. Physics

    A car moves along a circular track at 60 kmph. If the radius of the track is 300 m, calculate the acceleration towards the centre

  46. physics

    A cyclist in an Olympic race is moving in a circular track of radius 80 m with speed 72 km/h. He has to lean from the vertical approximately through an angle of... ANS: tan-1(1/2) How is tan-1(1/2) derived in this answer?

  47. maths

    A train moving on a circular track with a diameter of 14,642 km,takes 50 minute to complete one revolution. calculate the peripheral velocity of the train in km/h

  48. kinetics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

  49. kinetics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

  50. kinetics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

  51. engineering mechanics

    A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car

  52. Physics

    A 200kg car is traveling at 50m/s on a level, circular track with radius 100m. What is the traction force required to keep the car on the track? a. 25000N b. 50,000N c. 10000N d. 2500N e. 5000N

  53. PHysics!!

    Starting from rest at a height equal to the radius of the circular track, a block of mass 25 kg slides down a quarter circular track under the influence of gravity with friction present (of coefficient μ). The radius of the track is 15 m. The acceleration

  54. physics

    A motorcycle stunt rider wants to do a loop-the-loop within a vertical circular track. If the radius of the circular track is 10.0 m, what minimum speed must the motorcyclist maintain to stay on the track? Suppose the radius of the track was doubled. By

  55. Physics

    You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your acceleration, doubling your speed or moving to a track with half the radius? Why?

  56. physics.. important stuff !

    i still do not understand?? can someone please help me out??? (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it acts?? (c) Upon what threee factors

  57. phyiscs

    A 14.5 kg toy car is driving around a horizontal circular track with a period of 8.0 seconds. The radius of the circular track is 1.1 meters. What is the force of friction in Newtons between the car and the track that is necessary for the car to remain on

  58. Physics 1

    (I) determine the tangential and centripetal components of the net force excreted on the car(by the ground) when it accelerates at a uniform speed of 15 m/s in 11 s, moving on a circular track of radius 500m. The cars mass is 1100kg.

  59. Physics 1

    (I) determine the tangential and centripetal components of the net force excreted on the car(by the ground) when it accelerates at a uniform speed of 15 m/s in 11 s, moving on a circular track of radius 500m. The cars mass is 1100kg.

  60. physics

    A 14.5 kg toy car is driving around a horizontal circular track with a period of 8.0 seconds. The radius of the circular track is 1.1 meters. What is the force of friction in Newtons between the car and the track that is necessary for the car to remain on

  61. Chemistry

    Calculate the de Broglie wavelength associated with a body of mass 1.5 kg moving with a velocity of 100m/s.

  62. physics

    a body is allowed to slide down a frictionless track from rest under gravity . The track end in a circular loop of diameter D . What should be the minimum height of the body in terms of D so that the body successfully complete the loop.

  63. Physics

    A vechicle of mass 80kg travelling with a speed of 96 km/h goes round a circular curve whose radius is 100m.Determine it acceleration .

  64. phyics

    find the acceleration if the velocity changes from: a) 2m/s to 4m/s in 4s b) 5m/s to 10m/s in 2s c) 100m/s to 120m/s in 5s d) 86m/s to 94m/s in 4s e) 21m/s to 35m/s in 18s thank you!

  65. physics

    a body British moving with a velocity of 20ms(power -1) collides with another body A, moving in the same direction on the same horizontal line with a velocity of 10ms (power -1).if the mass of the body A is three times the mass of body B, and the collision

  66. Dynamics

    Car A is moving at a constant speed Va=75 km/h, while car C is moving at a constant speed Vc=42 km/h on a circular exit ramp with radius p=80m. Determine the velocity and acceleration of C relative to A.

  67. Physics

    An object of mass 1.00kg is moving over a horizontal circular path of radius 2.00m, with a speed of 3.00ms^-1. Determine: (a) its centripetal acceleration (b) its kinetic energy (c) its period (d) its angular velocity

  68. Physics

    An object of mass 1.00kg is moving over a horizontal circular path of radius 2.00m, with a speed of 3.00ms^-1. Determine: (a) its centripetal acceleration (b) its kinetic energy (c) its period (d) its angular velocity

  69. physics

    An object of mass 1.00kg is moving over a horizontal circular path of radius 2.00m, with a speed of 3.00ms^-1. Determine: (a) its centripetal acceleration (b) its kinetic energy (c) its period (d) its angular velocity

  70. Physics

    A racecar driver speeds around a circular track of radius 100 m at a velocity of 50 km/hr. The coefficient of friction us between his tires and the road is 0.20. It begins to rain, reducing us to 0.15. What must he change his velocity to in order to

  71. physics - rotational motion

    A small car of mass, m, is release at height, h, on a steel track. the car rolls down the track and through the loop of radius, R. at the end of the rack, the car rolls off the track, which is positioned at height, H, above the floor. neglect friction and

  72. physics

    a body is lights down if exit Garba track that is 1 quadrant of circle of radius R if there is no friction on the body starts from rest its speed at the bottom of the track is

  73. science

    a body moving with a uniform acceleration travels distance of 24m and 64m during the first two equal consecutive interval of time,each of duration 4s.determine the initial velocity and acceleration of the moving body

  74. physics (CHECK MY WORK PLEASE ASAP)

    An object of mass 1.00kg is moving over a horizontal circular path of radius 2.00m, with a speed of 3.00ms^-1. Determine: (a) its centripetal acceleration (b) its kinetic energy (c) its period (d) its angular velocity a: 3.00^2/2.00 = 4.5 ms^-1 b: 0.5 ×

  75. physics

    A body moving with a uniform acceleration travels distance of 24m and 64m during the first two equal consecutive intervals of time,each of duration 4s.determine the initial velocity and acceleration of the moving body full solved problem

  76. physics

    A tennis ball attached to the end of a light string hangs inside a car traveling on a circular track at 4.7 m/s. What is the radius of the circular track if the string makes a 10° angle with the vertical direction?

  77. trigonometry

    how fast is a toy car moving in ft/min if it makes 20 laps in one minute on a circular track of radius 3 feet ? ( i need to know how to set this problem up)

  78. Science

    A body slides down a curved track which is one quadrant of a circle of radius R. If it starts from rest at the top of the track and there is no friction And the body starts from rest it's speed at the bottom of the track is

  79. physics

    the small body of mass m slides on a frictionless loop the height above the bottom path of the circular loop is three times the radius of the circular loop.DETERMINE THE VELOCITY OF THE MASS BEFORE IT REACHES TH BOTTOM PATH OF THE LOOP

  80. physics

    A body slides down a curved track which is one quadrant of a circle of radius R. If it starts from rest at the top of the track and there is no friction, find the speed at the bottom of the track is R equals 5 m.

  81. physics

    A body moving with simple harmonic motion in a straight line has a velocity V and acceleration A, when the instaneous displacement X in cm from it maximum position is given by X is equal to 2.5sin0.4"t were t is in second, determine the magnitude of

  82. physics

    A car starts from rest and travels along a circular track with a radius of 55.0 meters. The car starts out at a position due East of the center of the track, heading due North initially around the track, which is counterclockwise. The car increases its

  83. Physics

    A car starts from rest and travels along a circular track with a radius of 55.0 meters. The car starts out at a position due East of the center of the track, heading due North initially around the track, which is counterclockwise. The car increases its

  84. Physics

    A massless spring of constant k = 91.0 N/m is fixed on the left side of a level track. A block of mass m = 0.50 kg is pressed against the spring and compresses it a distance of d. The block (initially at rest) is then released and travels toward a circular

  85. physics

    (1a). The gravitational field strength g on the earth’s surface is 9.8N/kg. explain what this means.(b) Using the law of gravity, show that gr2= k. Where g=gravitational field strength at a distance r from the center of the earth (r>Re), where Re is the

  86. Physics- Elena please help!

    A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

  87. physics

    A massless spring of constant k =60.9 N/m is fixed on the left side of a level track. A block of mass m = 0.7 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

  88. Physics URGENT!!!

    A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

  89. Physics URGENT!!!

    : A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

  90. Trigonometry

    A railroad track is laid along side the arc of a circle of radius 1800 ft. The circular part of the track subtends a central angle of 40 degrees. How long (in seconds) will it take a point on the front of a train traveling 30 mph to go around this portion

  91. physical science

    a model train moving at a constant speed around a circular track has a constant velocity?

  92. PHYSICS - VERYYYY IMPORTANT!!!

    VERY IMPORTANT FOR A PHYSICS PRESENTATION.. PLEASE HELP & EXPLAIN CLEARLY??? THANKS SO MUCH! (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it

  93. Physics Please check my answer

    How much work is done by the centripetal force (in this case, the friction between the tires and the road) on a 1200 kg car moving on a circular track of radius 50 meters at a constant speed of 31.4 m/s? A. 7.4 • 10^6 J B. 19.7 J

  94. Physics

    A massless spring of constant k = 88.9 N/m is fixed on the left side of a level track. A block of mass m = 0.50 kg is pressed against the spring and compresses it a distance of d. The block (initially at rest) is then released and travels toward a circular

  95. math

    You are asked to build a circular running track of length 1/4 km. To the nearest meter, what would be the radius of the track? (Recall that 1 km is 1000 m.)

  96. Physics

    QUESTION: A car goes around a circular track with a radius of 1000 m at a constant speed of 10 m/s. (a) How long does it take the car to go once completely around the track? (b) What is the average velocity of the car over this time interval? WORK: What I

  97. physics

    A circular automobile racetrack is banked at an angle θ such that no friction between road and tires is required when a car travels at 25.5 m/s. If the radius of the track is 402 m, determine θ.

  98. physics

    An aunt moves from point p to q along the circular track of radius 1m.If the time taken is 1 minute,what is the average velocity of the aunt?

  99. advanced physics

    A toy roller coaster contains a loop of radiusR. A toy train, which consistsof a lot of small waggons is moving towards the loop with constant velocity. The lengthof the train isL >2Rπ, and the radius of the loop is much larger than the height of

  100. physics

    A circular race track has a radius of 159 m. If the centripetal force acting on a 65.0 kg cyclist is 4.6 N, how long does it take to complete one lap around the track?

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