1. physic

    An object with mass m1 = 5.00 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a pulley and is then fastened to a hanging object with mass m2 = 10.0 kg, as shown in the figure below. Find the acceleration of each

    asked by Chan on October 16, 2009
  2. Physics

    A plane drops a bomb from an altitude of 10,000m. a. Determine the time the bomb is in the air. b. Determine the velocity the bomb would have right before it hits the ground. c. Before the bomb is launched the plane has a horizontal velocity of 92m/s.

    asked by Alex on November 19, 2012
  3. math

    A uniform horizontal beam weighing 136 kg is 10.4 m long and is supported by columns at each end. A vertical load of 1275 kg is applied to the beam x metres from the right end. Find x so that the reaction at the left column is 540 kg. Round your answer to

    asked by harshdeep on February 27, 2015
  4. Physics

    A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0 A flows through the wire, which one of the following statements concerning the effect of the magnetic force on the wire is true.

    asked by Katie on November 14, 2010
  5. Physics

    An 8.00g bullet is fired at 220m/s into a 250g wooden block that is initially at rest. The bullet remains in the block and after the collision the two slide up a 30 degree incline. a) Solve for the velocity of the bullet block after the collision. b)

    asked by Nicole on November 23, 2014
  6. physics

    An 8.0 g bullet is fired horizontally into a 9 kg block of wood and sticks in it.The block,which is free to move,has a velocity of 40cm/s after impact.Find the initial velocity of a bullet. You know the momentum (total mass) of the bullet/block combo after

    asked by fluffy on September 23, 2006
  7. Physics

    A bullet of mass m travelling at speed vo in the direction shohwn above strikes a block of mass M and embeds itself in it. The block is sitting on the edge of a frictionless table of height H and is knocked off of the table by the collision. a) What is the

    asked by Joe on January 9, 2017
  8. Physics

    Really need help with this asap plz~ there is a 4kg wooden block on top of a wooden ramp forming an angle of 37 degrees above surface.The block is placed 1.2 m up on the ramp and the ramp is connected to another wooden flat board.So when the block slides

    asked by Joanne on December 8, 2013
  9. Physic

    If a 35 g arrow moving at 160 km/h penetrates a block of wood suspended by a rope, what impulse is delivered to the block? (Answer: 1.56kg * m/s) What velocity will the wood block acquire if its mass is 7.0 kg? Ignore the mass of the arrow compared to that

    asked by Anonymous on April 22, 2014
  10. physics

    As shown in the diagram, a bullet of mass 7.0 g strikes a block of wood of mass 2.1 kg. The block of wood is suspended by a string of length 2.0 m, forming a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m from

    asked by jose on January 4, 2016
  11. Physics

    Two blocks of masses M and 5M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them, as seen in the figure below:

    asked by Brian on June 12, 2010
  12. Physics

    A block of mass m 1 sits at rest on a table over a hole in the table. From below the table, a bullet of mass m 2 is fired vertically upwards into the block. The bullet imbeds itself in the block. The block and bullet rise to a maximum height h. What is the

    asked by Jason on August 6, 2012
  13. phsyics

    A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule to keep the mule moving at a constant speed of 0.9 m/s for a distance of 1.8 km across a horizontal plane. Compute the amount of

    asked by Austin on November 1, 2011
  14. phsyics

    A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule to keep the mule moving at a constant speed of 0.9 m/s for a distance of 1.8 km across a horizontal plane. Compute the amount of

    asked by Austin on November 1, 2011
  15. phsyics

    A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule to keep the mule moving at a constant speed of 0.9 m/s for a distance of 1.8 km across a horizontal plane. Compute the amount of

    asked by Austin on November 1, 2011
  16. AP Physics

    A small block with mass 0.035 kg slides in a vertical circle of radius 0.425 m on the inside of a circular track. During one of the revolutions of the block, when the block is at the bottom of its path, point A, the magnitude of the normal force exerted on

    asked by Hannah on March 22, 2013
  17. Math

    The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35°. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number. Do not

    asked by Jeb on August 2, 2016
  18. PHYSICS

    A 20 kg wagon is pulled along the level ground by a rope inclined at 30 deg above horizontal. A frictional force of 30 N opposes the motion, how large is the pulling force if the wagon is moving at constant velocity.

    asked by Mae on August 23, 2014
  19. Physics

    A 20 kg wagon is pulled along the level ground by a rope inclined at 30 deg above horizontal. A frictional force of 30 N opposes the motion, how large is the pulling force if the wagon is moving at constant velocity?

    asked by JOSH on August 22, 2014
  20. Physics

    A 20 kg wagon is pulled along the level ground by a rope inclined at 30 deg above horizontal. A frictional force of 30 N opposes the motion, how large is the pulling force if the wagon is moving at constant velocity?

    asked by YESHA on August 22, 2014
  21. Physics

    you are driving up a long, inclined road. After 1.2 miles you notice that signs along the roadside indicate that your elevation has increased by 530ft. a. What is the angle of the road above the horizontal? b . How far do you have to drive to gain an

    asked by ASB on March 13, 2012
  22. Physics

    A skier leaves the ramp of a ski jump with a velocity of 14 m/s 15.00 above the horizontal. She lands on a slope below inclined at 500. Neglect air resistance and find the distance from the ramp to where the jumper lands.

    asked by Michael on January 30, 2018
  23. physics

    A box of mass 5 kg is pulled along a horizontal frictionless surface by a force of 40N inclined @ 30dgrees. Calculate A)the work done by the force over a distance. B)the speed gained by the box after travelling 10m.

    asked by Luc on August 3, 2011
  24. math

    A plane is flying due east at 600 km/h at a constant altitude. From an observation point P on the ground, the plane is sighted on a bearing of 320◦. One minute later, the bearing of the plane is 75◦ and its angle of elevation is 25◦. Show that the

    asked by Connor on July 17, 2017
  25. Honors Physics

    A plane traveling at 300.0 km/h attempts to land on a 500 m runway. The plane’s engines and brakes accelerate uniformly at –5.0 m/s2. Will the plane be able to land safely?

    asked by Jonathan on October 16, 2012
  26. SCIENCE NEED HELP

    A plane travels from California to New York. The plane travels about 5000 km in 5 hours. What is the plane's velocity? (Give directions as North, South, East, or West.)

    asked by NEED HELP on February 12, 2013
  27. Physics

    A small plane is 150km south of the equator. The plane is flying at 220km/h at a heading of 30 degrees to the west of north. In how many minutes will the plane cross the equator?

    asked by Cassie on October 14, 2012
  28. physics

    An Air plane flys from san fransico to new-york about 4800km at speed of 300m/s how much time does trip take as measured by observer in the plane?B and by observer in the plane?

    asked by Best on January 24, 2016
  29. Physic Please Help

    A pilot direct his plane north and the plane's velocity in still air is 245km/hr. If there is a strong wind of 105km/hr blowing west, what is the ground velocity of the plane?

    asked by Sarah on May 28, 2013
  30. Math- intersection of planes

    Show that the line [x,y,z]=[10,5,16]+t[3,1,5] is contained in the plane x+2y-z-4=0 I tries writing the vector equation in parametric form and then substituting it into the respective x,y,z in the plane, after simplifying I get 0t=0 does this mean that the

    asked by Shaila on September 1, 2010
  31. Physics

    A beaker of mass 5kg containing oil of mass 17.4 kg and density 8.5 x102kg/m3 rests on the scale A block of iron of mass 6.7kg is suspended from the spring scale and completely submerged in the oil as shown in Figure below. Determine the equilibrium

    asked by G on November 3, 2014
  32. College Physics (repost)

    A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure. Find the work done by the spring on the block as the block moves from A to B along paths 1 and 2. W=? How do your results depend on the mass of the block?

    asked by Jenna on October 12, 2009
  33. Physics

    A 4.1 kg block is attached to a spring with a force constant of 550 N/m , as shown in the figure. Find the work done by the spring on the block as the block moves from A to B along paths 1 and 2. W=? How do your results depend on the mass of the block?

    asked by Jenna on October 12, 2009
  34. Physics

    Masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley. m1 rests on the floor and m2 rests on a fixed incline of 40degrees. The masses are released from rest, and m2 slides 1.00 m down the incline in 4.0

    asked by Wendy on November 6, 2010
  35. Math

    A plane flys 230 km due north. The wind is blowing west at 85 km. what direction is the plane flying. Calculate the actual speed of the plane. What is the hearing from North?

    asked by Georgia on September 14, 2015
  36. Math

    A plane flys 230 km due north. The wind is blowing west at 85 km. what direction is the plane flying. Calculate the actual speed of the plane. What is the hearing from North?

    asked by Georgia on September 13, 2015
  37. Physics

    As your plane speeds down the runway during takeoff, you decide to determine the acceleration of the plane. you take your yo-yo and note that when you suspend it, the string makes an angle of 22 degrees with the vertical. What is the acceleration of the

    asked by Anonymous on September 26, 2010
  38. physicss

    A 0.005kg bullet is fired at 400m/s straight into a stationary 1.0kg block of wood. The bullet exits the far side of the block and continues on the same straight line. The block also moves off in this same direction with a velocity of 1.2m/s. Calculate the

    asked by taryn on October 2, 2012
  39. physics

    A 0.005kg bullet is fired at 400m/s straight into a stationary 1.0kg block of wood. The bullet exits the far side of the block and continues on the same straight line. The block also moves off in this same direction with a velocity of 1.2m/s. Calculate the

    asked by taryn on October 2, 2012
  40. physics

    Two blocks, one 5.0 Kg and the other 2.0 Kg are suspended from a pulley such that the 5.0 Kg block is 4.0 m above the 2.0 Kg block and 5.0 m above the floor. The blocks are released from rest. a. At the moment that the two blocks pass each other, what are

    asked by Anonymous on November 18, 2010
  41. Physics

    How would I go about calculating the acceleration of a mass being pulled up an inclined plane at an angle. Given - mass, and presumably angles So the object is being pulled up an angle at another angle.

    asked by Cait on December 6, 2009
  42. Vectors

    A plane is steering east at a speed of 240km/h. What is the ground speed of the plane if the wind is from the northwest at 65km/h. What is the plane's actual direction?

    asked by Kim on May 25, 2018
  43. Vectors

    A plane is steering east at a speed of 240km/h. What is the ground speed of the plane if the wind is from the northwest at 65km/h. What is the plane's actual direction?

    asked by Kim on May 25, 2018
  44. Calculus

    Verify please and thank you~ Does the line (x-7)/3=(y+8)/6=(z+4)/5 and the point P(10,-2,1) determine a plane? Answer: Yes, it is a plane because when I substituted the point P(10,-2,1) into the equation, I got the coordinates (1,1,1) If the coordinate

    asked by Jenny on April 8, 2012
  45. Calculus and vectors

    Verify please and thank you~ 1. Does the line (x-7)/3=(y+8)/6=(z+4)/5 and the point P(10,-2,1) determine a plane? Answer: Yes, it is a plane because when I substituted the point P(10,-2,1) into the equation, I got the coordinates (1,1,1) If the coordinate

    asked by Antia on April 9, 2012
  46. ALGEBRA 2

    A plane takes off from an aiport and flies east at a speed of 350 mi/h. Ten minutes later, a second plane takes off from the same airport and flies east at a higher altitude at a speed of 400 mi/h. How long does it take the second plane to overtake the

    asked by Emily on August 16, 2009
  47. math

    Two planes leave simultaneously from Chicago's O'Hare Airport, one flying due north and the other due east (see figure). The northbound plane is flying 50 miles per hour faster than the eastbound plane. After 3 hours the planes are 2840 miles apart. Find

    asked by Anonymous on February 7, 2019
  48. physics

    Part 1 A 15.6 kg block is dragged over a rough, hor- izontal surface by a constant force of 72.2 N acting at an angle of angle 34.8 above the horizontal. The block is displaced 24.6 m and the coefficient of kinetic friction is 0.234. Find the work done by

    asked by erika on February 25, 2011
  49. physics

    A 1.4-m-long massless rod is pivoted at one end and swings around in a circle on a frictionless table. A block with a hole through the center can slide in and out along the rod. Initially, a small piece of wax holds the block 20 from the pivot. The block

    asked by Anonymous on April 28, 2012
  50. physics

    a small block of mass M=0.050 kg is released from rest at the top (h=0.60 m) of the curved frictionless ramp shown above. The block slides down the ramp and collides with a larger block of mass 1.5M=0.075 kg at rest at the bottom of the incline. The larger

    asked by emilyy on November 13, 2011
  51. physics

    A 500 g steel block rotates on a steel table while attached to a 2.0-m-long massless rod. Compressed air fed through the rod is ejected from a Inozzle on the back of the block, exerting a thrust force of 3.5 N. The nozzle is 70^\circ from the radial line,

    asked by Kathleen on November 10, 2010
  52. Trigonometry

    A boy is twirling a model plane on a string that is 2 meters long. If he twirls the plane at 0.4 revolutions per second, how far does the plane travel in 5 minutes? Give your answer in meters to 2 decimal places.

    asked by Rebekah on November 6, 2014
  53. Math

    A plane left Atlanta at 11:30 AM and flew to an airport near Boston. The plane was due to arrive at 3:15 PM. The plane arrived 25 minutes late. The time of the trip was: Is the answer 4 hours and 10 minutes?

    asked by stephanie on August 3, 2018
  54. Math

    If a plane has intercepts at 2a, 3a, and 4a along the three Cartesian coordinates where a is the lattice constant of the cubic cell, (i) find the Miller indices of the plane and (ii) find the distance between the neighboring planes parallel to this plane

    asked by Chandu on September 14, 2014
  55. Math

    Two small planes start from the same point and fly in the same direction. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.

    asked by Mathew on February 4, 2010
  56. Circular Motion Physics

    A coin with mass 3.1 grams is at rest atop a wooden block of mass 20 grams. The block is on a spinning platform with a 12 centimeter radius. The coefficients of friction between the platform and the wooden block are μs = 0.75 and μk = 0.64 The

    asked by Emily on November 24, 2015
  57. Physics

    an airplane is flying in a horizontal of radius 1.0 km what must be the speed of the plane if the pilot is to experience a centripetal acceleration three times that of gravity.

    asked by King on March 8, 2013
  58. College Physics

    A 3.0 kg black is at reat on a horizontal floor. If you push horizontally on the 3.0 kg block with a force of 12.0 N, it just starts to move. What is the coefficient of static friction?

    asked by Tam on September 14, 2010
  59. physics

    The displacement of a block attached to a horizontal spring is given by x=0.5sin(7.8t−1.06)m What is the earliest time (t>0) at which x=0.16m? Find the acceleration when x=0.44m helppppppp

    asked by kara on February 13, 2017
  60. physics

    Question part Points Submissions 1 2 0/1 0/1 0/10 0/10 Total 0/2 A 3.5-kg block slides with a speed of 1.6 m/s on a frictionless, horizontal surface until it encounters a spring.

    asked by Anonymous on February 25, 2011
  61. Geometry

    I need help with these problems: 11. The 2 captains of the school football team meet with the 3 captains of another team for the coin toss. If each captain shakes hands with each captain from the opposing team, how many different handshakes occur? 14. Find

    asked by mysterychicken on June 17, 2012
  62. physics

    A 2 kg block with initial velocity +2m/s collides with a stationary 6 kg block with initial velocity 0m/s on a frictionless surface. After the collision, the 2 kg block is moving at –1 m/s and the 6kg block is moving to the right at +1 m/s. Show that the

    asked by mable on December 12, 2016
  63. physics

    There is a 2kg block resting on a table with a 5kg block attached to the right hanging off the edge of the table and a 4 kg block attached to the left also hanging off the table find the acceleration of the 5 kg block if coefficient of static equals the

    asked by joe on October 10, 2013
  64. math

    Ten minutes after a plane leaves the airport, it is reported that the plane is 80 miles away. What is the average speed of the plane, in miles per hour?

    asked by vincent on July 17, 2013
  65. Physics

    A bullet of mass 1.9×10−3 kg embeds itself in a wooden block with mass 0.987 kg, which then compresses a spring (k = 120 N/m) by a distance 3.5×10−2 m before coming to rest. The coefficient of kinetic friction between the block and table is

    asked by Bartholomew on October 8, 2010
  66. science

    A uniform plank of a seesaw is 5 meter long and supported at its centre.a boy weighing 40kgf sits at a distance 1.5meter from one end of the seesaw.where must a girl weighing 25kgf sit on the other end of the seesaw so as to balance the boy.

    asked by nitesh srivastava on April 28, 2015
  67. Physics

    An ideal spring with a stiffness of 329 N/m is attached to a wall, and its other end is attached to a block that has a mass of 15.0 kg. The spring/block system is then stretched away from the spring's relaxed position until 57.0 J of mechanical energy is

    asked by John on December 4, 2009
  68. mit

    1 point possible) A uniform disc of radius R and mass m1 is rotating with an angular speed ωi about an axis passing through its center and perpendicular to the disc's plane. A small box of mass m2, initially at the center of the disc, moves away from the

    asked by juanpro on March 23, 2016
  69. physics

    A 506 g block is released from rest at height h0 above a vertical spring with spring constant k = 500 N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing the spring 18.4 cm. How much work is done (a) by the block

    asked by VitaX on October 16, 2010
  70. Physics

    A block with a mass m = 3.50 kg sits on a surface with a coefficient of static friction µs = 0.520. A spring with spring constant k = 75.0 N/m is hooked onto the block, and is slowly pulled horizontally, gradually stretching the spring. (a) When the

    asked by Jade on November 26, 2015
  71. Physics

    A plane leaves Toronto and flies with an airspeed of 2.20 x 10^2 km/h always pointing due east. A wind is blowing from the north at 8.0 x 10^1 km/h. a) What is the plane's velocity relative to the ground? b) What is the plane's displacement from Toronto

    asked by Alex on October 28, 2007
  72. Plane Trigometry

    You observe a plane approaching overhead and assume that its speed is 550 miles per hour. The angle of elevation of the plane is 16 degrees at one time and 57 degrees one minute later. Approximate the altitude of the plane.

    asked by Horum on February 14, 2013
  73. Math

    Two small planes start from the same point and fly in the opposite directions. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.

    asked by Matthew on February 3, 2010
  74. Geometry

    Is it true for a reflection on a plane... To reflect across the: xy-plane (x,y,z)→(x,y,−z) xz-plane (x,y,z)→(x,−y,z) yz-plane (x,y,z)→(−x,y,z)? Is that true for all planes or just a few particular ones?

    asked by Aaden Caldwell on March 28, 2016
  75. physic

    two force10n and20n are inclined at an angle 60 degree to each.find the resultant forces are now made to be inclined at120degree to each other,find the magnitude of the new resultant force

    asked by precious on October 3, 2016
  76. Physics and Math

    A small ball with a mass of 1 kg rolls down a long frictionless inclined ramp, which is at an angle 3o Degree above the horizon. A linear spring, whose length is not negligible, is attached to the bottom of the ramp. The ball is released from a distance of

    asked by Anonymous on January 8, 2015
  77. math

    At an airport, a flight controller was in a tower 40m above the ground. When she first observed a plane it was at an angle of elevation of 12 (degrees) from her line of sight and flying at a constant altitude (height) The plane had a constant speed of

    asked by alice on May 19, 2013
  78. Physics

    A 263-g block is dropped onto a vertical spring with force constant k = 2.52N/cm. The block sticks to the spring, and the spring compress 11.8 cm before coming momentarily to rest. while the spring is being compressed, how much work is done: (a) By the

    asked by Kampamba Nsofu on May 24, 2017
  79. physics

    A uniform rod of mass M and length d is initially at rest on a horizontal and frictionless table contained in the xy plane, the plane of the screen. The rod is free to rotate about an axis perpendicular to the plane and passing through the pivot point at a

    asked by tyger2020 on December 19, 2018
  80. physics

    A man doing a slow push-up is approximately in static equilibrium. His body is horizontal, with his weight of 755 N supported by his hands and feet, which are 1.34 m apart. One hand rests on a spring scale, which reads 270 N. If each hand bears an equal

    asked by JOHN on March 26, 2012
  81. Physics

    A man doing a slow push-up is approximately in static equilibrium. His body is horizontal, with his weight of 750 N supported by his hands and feet, which are 1.36 m apart. One hand rests on a spring scale, which reads 268 N. If each hand bears an equal

    asked by Dave on December 8, 2015
  82. science

    A 4.0-kg block and a 2.0-kg block are connected to opposite ends of a relaxed spring of spring constant 300 N/m. The blocks are pushed toward each other for 0.5 s. The 4.0-kg block is pushed with a force of 53 N , and the 2.0-kg block is pushed with a

    asked by gatanga on April 21, 2019
  83. colledge physics

    A block of mass 0.78kg starts from rest at point A and slides down a frictionless hill of height h. At the bottom of the hill it slides across a horizontal piece of track where the coefficient of kinetic friction is 0.29. This section (from points B to C)

    asked by shyne on October 19, 2012
  84. physics

    Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27

    asked by Diane on November 30, 2012
  85. physics

    Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27

    asked by Diego on November 30, 2012
  86. AP Physics

    Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27

    asked by Ashley on November 29, 2016
  87. Geometry

    a line RS is perpendicular to plane p at R. If T is a second point not on. Can RT be perpendicular to plane P? Lines AB and LM are each perpendicular to plane P. Are AB and LM coplanar? Plan P is perpendicular to AB at B. Plane Q intersects AB at P. Can Q

    asked by Camile on May 17, 2011
  88. Math

    a line RS is perpendicular to plane p at R. If T is a second point not on. Can RT be perpendicular to plane P? Lines AB and LM are each perpendicular to plane P. Are AB and LM coplanar? Plan P is perpendicular to AB at B. Plane Q intersects AB at P. Can Q

    asked by Camile on May 17, 2011
  89. Physics

    A jet plane lands with a speed of 110 m/s and can accelerate with a maximum magnitude of 7.00 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time interval needed before it can come to rest? (b) Can this

    asked by KM on September 10, 2011
  90. physics

    Cheerleaders at sporting events will often use a bullhorn to make themselves louder. A bullhorn is simply a hollowed out cone - you speak into the narrow end and your voice comes out the wide end, channeled by the cone so it is louder than it would be

    asked by Gk on September 20, 2013
  91. physics

    In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.13 kg) and embeds itself in block 2 (mass 1.75 kg). The blocks end up with speeds v1 = 0.600 m/s and v2 = 1.32 m/s

    asked by kristy on November 13, 2013
  92. Physics

    The system shown in the figure is in equilibrium. A 15 kg mass is on the table. A string attached to the knot and the ceiling makes an angle of 54◦ with the horizontal. The coefficient of the static friction between the 15 kg mass and the surface on

    asked by Hardy on November 1, 2012
  93. physics

    A plane leaves toronto and flies with an airspeed of 360.0 km/h always pointing east. A wind is blowing at 65.0 km/h [S 35.0 degrees E]. What is the plane's velocity relative to the ground? What is the plane's displacement from Toronto after flying for 2.4

    asked by eggo on October 7, 2018
  94. Physics

    A) An object with mass M=10kg is held on a incline. The object and the incline surfaces have a static friction coefficient of 0.3. What is the maximum angle at which the object starts moving? B) Again, suppose that the force in A) is a push applied

    asked by Timothy on October 16, 2016
  95. physics

    A 50.0-kg block is being pulled up a 13 degree slope by a force of 250 N which is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.200. What is the acceleration of the block?

    asked by Kathy on November 1, 2011
  96. physics

    a skier decides to ski down a hill inclined at 12 degrees to the horizontal. He pushes on his poles and starts to slide down the slope. If his initial speed after he stops pushing is 4.7 m/s and us= 0.28, how far will mr.grewal slide down the hill before

    asked by Tom on April 6, 2015
  97. Physics

    A fighter plane is directly over an anti aircraft gun at a time t=0. The plane has a speed of 600km/hr. A shell is fired from an anti aircraft gun at the time t=0, in order to hit the plane. The muzzle velocity V is 1100m/s. Determine the distance the gun

    asked by Gabriel on January 20, 2016
  98. physics

    A 750g block is attached to a vertical spring whose stiffness constant is 1N/m . The block is released at the position where the spring is unextended. a) What is the maximum extension of the spring? How long does it take the block to reach the lowest

    asked by kara on February 13, 2017
  99. physics

    A block having mass 90 kg.just contact the top of the free end of spring. (1) find the maximum deflection of spring if the block is released instantaneously with zero initial velocity. (2) if the block is very gradually lowered on the spring.

    asked by Sarsi on October 23, 2013
  100. physics

    A 350 g block is attached to a vertical spring whose stiffness constant is 12 N/m . The block is released at the position where the spring is unextended. a) What is the maximum extension of the spring? b)How long does it take the block to reach the lowest

    asked by Az on February 3, 2014