1. physics

    calculate the range of the projectile using the initial speed and angle. use 9.8m/s. Initial speed 18m/s and the is 75 degrees. I came up with 8.29 is that right
  2. physics

    Calculate the range of the projectile using the initial speed and angle. Use g = 9.8m/s your calculation. Initial speed is 18m/s Angle is 75 Help please !!
  3. Physics

    For a given initial projectile speed, you observe that the projectile has a certain range R at a launch angle A = 30 degrees. For what other launch angle will the projectile have the same range (assuming the same initial projectile speed)? Without the use
  4. Physics

    A projectile is launched at an angle of 34.0o above the horizontal. The projectile has a mass of 1.50 kg and is given an initial speed of 20.0 m/s. a) What is the initial kinetic energy of the projectile? b) By how much does the gravitational potential
  5. physics

    The range R of a projectile is defined as the magnitude of the horizontal displacement of the projectile when it returns to its original altitude. (In other words, the range is the distance between the launch point and the impact point on flat ground.) A
  6. PHYSICS1

    Calculate the range (using g=9.8m/s) and the height of the pumpkin using the initial speed ( 18m/s), half-time (1.7) and angle (75).
  7. Physics

    A. Consider the motion of a projectile. It is fired at t= 0. Its initial speed is 12 m/s and its initial projection angle is 50◦ from the horizontal. The acceleration of gravity is 9.8 m/s^2. What is the maximum height,h, of its trajectory? Answer in
  8. Physics question

    Students decide to measure a projectile's range for an initial projectile angle of 45°. This angle has many advantages, not the least being that since the expression for the range is proportional to the sine of twice this angle, errors in determining the
  9. Calculus (Gr.12) Math

    I am not sure how to do this question I know I have to take the derivative but then I am left w/ to unknowns. If a projectile is shot up hill the distance (range) of the landing point up the hill depends on the initial speed of the projectile,v, the angle
  10. Physics

    The range R of a projectile is defined as the magnitude of the horizontal displacement of the projectile when it returns to its original altitude. (In other words, the range is the distance between the launch point and the impact point on flat ground.) A
  11. Physics

    A golf ball with an initial angle of 34 degrees lands exactly 240 m down the range on a level course. a.) Neglecting air friction, what initial speed would achieve this result? b.) Using the speed determined in item a, find the maximum height reached by
  12. Physics

    For a given initial projectile speed Vo, calculate what launch angle A gives the longest range R. Show your work, don't just quote a number.
  13. Physics

    a projectile is fired with an initial speed of 53 m/s. Find the angle of projection such that the maximum height of the projectile is equal to its horizontal range
  14. MAth

    projectile is fired from the ground s=0 ft with initial speed of v=800 ft/sec at an angle of elevation 30 degrees State the vector function the projectile follow,projectile initial velocity vector,vector function,projectile speed function
  15. Phsyics

    A projectile is fired with an initial speed of 61.3m/s at an angle of 44.2∘ above the horizontal on a long flat firing range. (a) Determine the maximum height reached by the projectile. (b) Determine the total time in the air. (c) Determine the total
  16. physics

    1. A certain projectile is launched with an initial speed v0. At its highest point its speed is v0/6. What was the launch angle? 2. The "hang time" of a punt is measured to be 3.50 s. If the ball was kicked at an angle of 61.0° above the horizontal and
  17. College Physics

    1. A certain projectile is launched with an initial speed v0. At its highest point its speed is v0/6. What was the launch angle? 2. The "hang time" of a punt is measured to be 3.50 s. If the ball was kicked at an angle of 61.0° above the horizontal and
  18. physics i really need help :(

    A projectile is fired with an initial speed of 61.3m/s at an angle of 31.5° above the horizontal on a long flat firing range. a)Determine the maximum height reached by the projectile. b)Determine the total time in the air. c)Determine the total horizontal
  19. physics

    A projectile is fired with an initial speed of 65.2 m/s at an angle of 34.5 degree above the horizontal on a long flat firing range. Determine (a) The maximum height reached by the projectile, (b) The total time in the air, (c) The total horizontal
  20. Physics

    I'm having trouble where to start with this question.. Any help would be helpful. A projectile is fired with an initial speed of 75.2 m/s at an angle of 34.5° above the horizontal on a long flat firing range. Determine (a) the maximum height reached by
  21. Physics- i need to know how to do these problems

    Two projectiles are launched from the ground, and both reach the same vertical height. However, projectile B travels twice the horizontal distance as projectile A before hitting the ground. a. How large is the vertical component of the initial velocity of
  22. physics

    Calculate the maximum height using the initial speed, half-time, and angle. The initial speeed is 18m/s, half time is 1.8, and the angle is 75. And how is this written out to solve.
  23. As physics

    How do you calculate the braking distance? driver reaction time=0.6s initial speed of car=30ms-1 speed*2= distance*4 Please show all the steps and the equations you used in words the question states initial speed*2 is equal to = distance*4 If you need
  24. physics

    a golf ball with an initial angle of 38 degrees lands exactly 240 m down the range on a level course. neglecting air friction, what initial speed would achieve this result? using that initial speed, what is the maximum height reached by the ball?
  25. Physics

    Calculate the maximum height using the initial speed, half-time, and angle. The initial speeed is 18m/s, half time is 1.8, and the angle is 75
  26. physics

    A projectile is launched vertically from the surface of the Moon with an initial speed of 1210 m/s. At what altitude is the projectile's speed two-fifths its initial value?
  27. Physics

    A projectile is launched vertically from the surface of the Moon with an initial speed of 1500. At what altitude is the projectile's speed one-half its initial value?
  28. Physics

    A projectile is launched vertically from the surface of the Moon with an initial speed of 1130 m/s. At what altitude is the projectile's speed three-fourths its initial value?
  29. Projectile motion

    So I want to find the speed an object hits the ground. I have the initial speed 45ms, the angle 50degrees and its time in flight 6.7s. So the final speed before impact should be: (45ms)sin(50)-9.81(6.7)=-31.25...ms Does this seem correct. In my head I was
  30. Physics- HELP

    How to find average speed with a given initial speed, theta, and delta x? I know average speed= total distance/total time, but I am given an initial speed, an angle and delta x. Mark throws a ball to Daniel with an initial speed of 20 m/s at an angle of 45
  31. Physics

    A projectile is launched with an initial speed . At its highest point, the projectile's speed is . What was the launch angle above the horizontal? (in deg)
  32. Physics

    A projectile is launched with an initial speed V0. At its highest point, the projectile's speed is V0/2 . What was the launch angle above the horizontal? (in deg)
  33. College physics

    A projectile is launched vertically from the surface of the Moon with an initial speed of 1400 . At what altitude is the projectile's speed one-half its initial value? do you use the equation Ei = Ef and vf would be 700 E= 1/2 mv^2 -G (Mass of the
  34. physics

    A ball was shot from the angles given in the table below. The corresponding ranges (landing at the same height from which it is shot) for three trials are given below as well. A. Determine the average range and standard deviation for each angle. B. Next
  35. Physics

    A projectile is fired with an initial speed v0 at t = 0. The angle between the initial velocity v0 and the horizontal plane is . x y v0 yma
  36. Physics

    A projectile with a mass of 2.50 kg is shot horizontally from a height of 15.0 m above a flat surface. The projectile's initial speed is 22 m/s. 1.How much mechanical energy does the projectile have initially ? 2.How much work is done on the projectile by
  37. Phoenix

    Projectile motions problems are some of the most important problems you will encounter in this course. Through this discussion, we will solve a projectile motion problem step by step Assume a projectile is launched from ground height over a flat plane, at
  38. Physics

    What is the kinetic energy of an ideal projectile of mass 19.4 kg at the apex (highest point) of its trajectory, if it was launched with an initial speed of 29.2 m/s and at an initial angle of 46.9° with respect to the horizontal?
  39. physics

    A golf ball with an initial angle of 35° lands exactly 218 m down the range on a level course. (a) Neglecting air friction, what initial speed would achieve this result? m/s (b) Using the speed determined in item (a), find the maximum height reached by
  40. physics

    Assume a projectile is launched from ground height over a flat plane, at an angle of 50 degrees above the horizontal with an initial speed of 100 m/s. What is the initial velocity of the projectile parallel to the ground (in the x direction) and
  41. physics

    A certain projectile is launched with an initial speed Vo. At its highest point its speed is Vo / 6. What was the launch angle?
  42. physics

    A rocket is launched at an angle of 56.0° above the horizontal with an initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 29.0 m/s2. At this time, its engines fail and the rocket proceeds to move
  43. physics

    A rocket is launched at an angle of 56.0° above the horizontal with an initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 29.0 m/s2. At this time, its engines fail and the rocket proceeds to move
  44. Physics

    A projectile is launched with an initial speed of 80.0m/s at an angle of 40 degrees above the horizontal. The projectile lands on a hillside 3.80s later. Neglect air friction. What is the projectile's velocity at the highest point of its trajectory? What
  45. Physics

    If a projectile has a launching angle of 52 degrees about the horizontal and an initial speed of 18 m/s, what is the highest barrier that the projectile can clear?
  46. physics

    A projectile is shot from the edge of a cliff 125 m above ground level with an initial speed of 105 m/s at an angle of 37.0o with the horizontal, as shown in Figure 3-39. (a) Determine the time taken by the projectile to hit point P at ground level. (b)
  47. Physics

    Consider the motion of a projectile. It isfired at t = 0. Its initial speed is 36 m/s and its initial projection angle is 55◦ from the horizontal. The acceleration of gravity is 9.8 m/s2 . y x What is the maximum height, h, of its tra jectory? Answer
  48. PHYSICS H!!!!

    NOT SURE WUT I M DOING WRONG--- SO HEREZ THE ? PLEEZE HELP ME!!! ----A projectile is shot from the edge of a cliff h = 225 m above ground level with an initial speed of v0 = 155 m/s at an angle of 37.0° with the horizontal Determine the range X of the
  49. Physics

    A projectile is launched at an angle of 20.0 degrees above the horizontal with an initial speed of 88.1 m/s. The maximum height reached by the projectile will be ____ m.
  50. 12th grade

    A projectile is shot from the edge of a cliff h = 125 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0° with the horizontal, as shown in Fig. 3-39 (a) Determine the time taken by the projectile to hit point P at ground level.
  51. Physics

    A ball is fired from the ground with an initial speed of 2.38 * 10^3 m/s (approximately seven times the speed of sound) at an initial angle of 56.0° to the horizontal. Neglect air resistance. (a) Find the ball's horizontal range.(m)
  52. physics

    1. (a) How far below an initial straight-line path will a projectile fall in eight seconds? (b) Does your answer depend on the angle of launch or on the initial speed of the projectile? the answer is no. but defend it. 2. Why is it important that a
  53. physics

    A projectile is launched at an angle of 54.6 degrees above the horizontal with an initial speed of 225 m/s and lands at the same level from which it was launched. The range is 205 meters. The time of flight is how many seconds?
  54. college physics

    a toy cannon fires a projectile from ground level with a speed of 15.0 m/s, at an angle of 30.0 degrees above the horizontal. a) calculate the horizontal range of projectile. R=Vi^2/g * sin 2theta = (150/9.8)*(sin(2*30.0) = 19.88m I know this part is right
  55. Physics

    A projectile is launched from the earth’s surface at initial speed v0 at angle θ0 with the horizontal. When the projectile is at its maximum height h, it has half the speed it had when it was at half its maximum height (h/2). At what angle was the
  56. physics

    A projectile is fired at an angle of 30ᵒ above the horizontal from the top of the cliff 600 ft high. The initial speed of the projectile is 2000 ft/s. how far will the projectile move horizontally before it hits the level ground at the base of the
  57. physics

    a projectile is shot from the edge of a cliff h=145m above ground level with an initial speed of vo=135m/s at an angle of 37.0 with the horizontal. determine time taken to hit point p at ground level. determine the range of x of the projectile as measured
  58. Physics

    The speed of a projectile when it reaches its maximum height is 0.42 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile?
  59. Physics

    The speed of a projectile when it reaches its maximum height is 0.46 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile?
  60. Physics

    A projectile is shot from the edge of a cliff h = 225 m above ground level with an initial speed of v0 = 155 m/s at an angle of 37.0° with the horizontal a. Determine the time taken by the projectile to hit point P at ground level. b. Determine the range
  61. physics

    A projectile is launched with an initial speed of 70 m/s at an angle of 35° above the horizontal on flat ground. Neglect air friction. A)What is the projectile's velocity at the highest point of its trajectory?
  62. physics

    A spherical non-rotating planet (with no atmosphere) has mass 4 kg and radius 9000 km. A projectile of mass is fired from the surface of the planet at a point with a speed at an angle with respect to the radial direction. In its subsequent trajectory the
  63. AP Physics

    So my question is about projectile motion. We just learned in class about the equation for finding the range: R=v^2sin(2theta)/g I understand that and I think I see where it comes from. My question is, if someone were to collect data on the projectile
  64. physics problem-gun (projectile problem)

    A gun shoots bullets that leave the muzzle at 250 m/s. If a bullet is tohit a target 160.8 m away at the level of the muzzle, the gun must be aimedat a point above the target. (Neglect air resistance.) How far above the target is this point if the angle
  65. physics

    A rocket is launched at an angle of 59.0° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move
  66. Physics

    A rocket is launched at an angle of 50.0° above the horizontal with an initial speed of 105 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move
  67. Physics

    In laboratory situations, a projectile’s range can be used to determine its speed. To see how this is done, suppose a ball rolls off a horizontal table and lands 1.2m out from the edge of the table. If the tabletop is 95cm above the floor, I figured out
  68. physics

    A projectile is projected with speed u at an angle alpha on an inclined plane of inclination angle bita. Find time of flight nn inclined plane and maximum height attained by projectile w.r.t. Inclined plane, range of projectile on inclined plane, angle of
  69. Physics Projectile Motion

    A projectile is launched at ground level with an initial speed of 51.5 m/s at an angle of 35.0° above the horizontal. It strikes a target above the ground 2.50 seconds later. What are the x and y distances from where the projectile was launched to where
  70. Physics

    After a completely inelastic collision, two objects of the same mass and same initial speed are found to move away together at 1/5 their initial speed. Find the angle between the initial velocities of the objects.
  71. Physics

    After a completely inelastic collision, two objects of the same mass and same initial speed are found to move away together at 1/5 their initial speed. Find the angle between the initial velocities of the objects.
  72. physics

    A projectile is shot from the edge of a cliff h = 125 m above ground level with an initial speed of v0 = 145 m/s at an angle of 37.0° with the horizontal. (a) Determine the time taken by the projectile to hit point P at ground level. b) Determine the
  73. Gravitation help..........thanks

    A projectile is shot directly away from Earth's surface. Neglect the rotation of Earth. (a) As a multiple of Earth's radius RE, what is the radial distance a projectile reaches if its initial speed is one-fifth of the escape speed from Earth? ____ times RE
  74. physics

    A stone is thrown horizontally outward from the top of a bridge, the stone is released 19.6meter above the street below.the initial velocity of the stone is 5.0m/s.determine the (a)total time that the stone is in the air (b)magnitude and direction of the
  75. Physics

    A projectile is shot from the ground at an angle of 60 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. Find: a. the horizontal component of initial velocity b. the vertical component of initial velocity c. initial speed
  76. Physics

    A projectile is shot from the ground at an angle of 60 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. Find: a. the horizontal component of initial velocity b. the vertical component of initial velocity c. initial speed
  77. Physics

    A projectile is launched with an initial speed of 40m/s at an angle of 25 degrees above the horizontal. The projectile lands 3 sec. later. Neglect air friction. What is the projectile's velocity at the highest point of it's trajectory? What is the straight
  78. COLLEGE PHYSICS

    A rocket is launched at an angle of 60.0° above the horizontal with an initial speed of 99 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move
  79. Physics

    A projectile is launched with an initial speed of 59.0 m/s at an angle of 32.0° above the horizontal. The projectile lands on a hillside 3.80 s later. Neglect air friction. (Assume that the +x-axis is to the right and the +y-axis is up along the page.)
  80. Physics

    A rocket is launched at an angle of 56.0° above the horizontal with an initial speed of 96 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 31.0 m/s2. At this time, its engines fail and the rocket proceeds to move
  81. Physics

    A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 42.9 m above the ground. The projectile strikes the ground with a speed of 1.2v0. Find v0.
  82. Physics

    A soccer player kicks a ball from the ground into the goal, which is located 17 meters away on the level playing field. The ball leaves the ground at an initial speed of 18m/s and at an initial angle above the horizontal of 23 degrees. Find the angle of
  83. physics

    A shell is fired from the ground with an initial speed of 1.70 × 10 3 m/s (approximately five times the speed of sound) at an initial angle of 70.0 ◦ to the horizontal. The acceleration of gravity is 9.81 m/s 2 . a) Neglecting air
  84. physics

    Estimate the speed in mph with which water comes out of a garden hose using your past observations of water coming out of garden hoses and your knowledge of projectile motion. (Take the inclination angle to be 45°, the initial height to be 1.0 m, and the
  85. physics

    Estimate the speed in mph with which water comes out of a garden hose using your past observations of water coming out of garden hoses and your knowledge of projectile motion. (Take the inclination angle to be 45°, the initial height to be 1.0 m, and the
  86. Physics

    What is the kinetic energy of an ideal projectile of mass 19.4 kg at the apex (highest point) of its trajectory, if it was launched with an initial speed of 29.2 m/s and at an initial angle of 46.9° with respect to the horizontal? I know kinetic energy
  87. physics

    A car moving with an initial speed v collides with a second stationary car that is 50.7 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 33.2 percent of the original speed. Calculate the final
  88. science (physics)

    how far will a stone travel over level ground if it is thrown upward at an angle 30 with the horizontal and with a speed of 12m/s?what maximum range could be achieved with the same initial speed?
  89. physics

    a projectile is fired at an angle of 27 above the horizontal from the top of a cliff 500 ft high. The initial speed of projectile is 1670 ft/s. How far will it move horizontally before hitting the level ground at the base of the cliff?
  90. Motion in 2d

    A projectile is fired at 37.0° above the horizontal with an initial speed of 65.0 m/s. Find it's range. Well what I did was get the x and y components for the vector by: V-subX= (65 m/s) (cos(37°)) = 51.91 V-subY= (65 m/s) (sin(37°)) = 39.11 I'm not
  91. mit physics

    A spherical non-rotating planet (with no atmosphere) has mass m 1= 6 ×10 24 kg and radius r 1= 9000 km. A projectile of mass m 2≪ m 1 is fired from the surface of the planet at a point A with a speed v A at an angle α=30 ∘ with respect to
  92. physics

    'a 48 kg projectile is fired at an angle of 30 degree above the horizontal with an initial speed of 1.34 x10^2m/s fro the top of a cliff 150m above level ground, where the ground is taken to be y=0 what is the inital total mechanical energy of the
  93. physics

    48 kg projectile is fired at an angle of 30 degree above the horizontal with an initial speed of 1.34 x10^2m/s fro the top of a cliff 150m above level ground, where the ground is taken to be y=0 what is the inital total mechanical energy of the
  94. Physics

    Two particles with the same mass and same initial speed collide and stick together and leave the collision with half of their initial speed, bound together as one particle. What was the angle between the initial momenta of the particles before the
  95. Physics

    Two particles with the same mass and same initial speed collide and stick together and leave the collision with half of their initial speed, bound together as one particle. What was the angle between the initial momenta of the particles before the
  96. Physics

    Two particles with the same mass and same initial speed collide and stick together and leave the collision with half of their initial speed, bound together as one particle. What was the angle between the initial momenta of the particles before the
  97. Physics

    A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this time its engines fail and the rocket proceeds to move as a
  98. physics help

    A spherical non-rotating planet (with no atmosphere) has mass m1= 5 ×1024 kg and radius r1= 8000 km. A projectile of mass m2≪m1 is fired from the surface of the planet at a point A with a speed vA at an angle α=30∘ with respect to the
  99. physics

    Brandon launches a projectile at an angle of 75 above the horizontal, which strikes he ground a certain distance down range. fo what oher angle of launch at the same speed would the projectile land just as far away?
  100. Physics

    Brandon launches a projectile at an angle of 75 degrees above the horizontal, which strikes the ground a certain distance down range. For what other angle of launch at the same speed would the projectile land just as far away?