# A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the

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1. ### AP PYHSICS

A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
2. ### PHYSICS

A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?
3. ### Physics

A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30° above the horizontal. If the ground is level, what is the maximum height reached by the projectile? (A) 5 m (B) 10 m (C) 500 m (D) 1,000 m (E) 2,000 m
4. ### Physics

A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30° above the horizontal. If the ground is level, what is the maximum height reached by the projectile? (A) 5 m (B) 10 m (C) 500 m (D) 1,000 m (E) 2,000 m
5. ### Physics

A projectile is fired from the surface of the Earth with a speed of 200 meters per second at an angle of 30° above the horizontal. If the ground is level, what is the maximum height reached by the projectile? (A) 5 m (B) 10 m (C) 500 m (D) 1,000 m (E) 2,000 m
6. ### physics

a projectile is fired from the surface of the earth with a speed of 200 m/s at an angle of 30 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile
7. ### physics

a projectile is fired at 50 meters per second at an angle of 30 degrees below the horizontal off a cliff that is 50 meters high. How far away and at what speed and angle will this projectile land?
8. ### physics

A projectile was fired out of a lead ejector at an angle of 45 degrees up from horizontal. The projectile velocity was 1000.00 meters per second. How high did it go? and how far did the projectile go?
9. ### Physics

A projectile is fired from a height of h meters at a speed of 55m/s and at an angle of 10 degrees above the horizontal. The projectile hits a target at a horizontal distance of 80m from where it was fired and at a vertical height of 1.2m. Find the time for which the projectile...
10. ### physics

1)A fire hose held near the ground shoots water at a speed of6.5 mps At what angle should the nozzle point in order that the water land 2.5 meters away? Answers: 18 degrees and 72 degrees 2) A long jumper leaves the ground at 45 degrees above the horizontal and lands 8 meters ...
11. ### Physics

A projectile is fired with an initial speed of 28.0 m/s at an angle of 65 degrees above the horizontal. The object hits the ground 9.5 seconds later. a) How much higher or lower is the launch point relative to the point where the projectile hits the ground? b) To what maximum ...
12. ### Physics

A projectile is fired from ground level with a speed of 40 m/s at an angle of 30 degrees and hits a building 100m away. What is the time of flight of the projectile? How high above ground does the projectile hit the building? What is the speed of the projectile just before it ...
13. ### physics

A plane flying horizontally above Earth’s surface at 150. meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? I know the answer is 150...
14. ### 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 projectile?'
15. ### 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 projectile?'
16. ### Physics

Q Exactly 2.7s after a projectile is fired into the air from the ground ,it is observed to have a velocity v = (8.8i+4.5 j) m/s where the x-axis is horizontal and the y axis is positive upward . a)Determine the horizontal range of the projectile b)Determine the maximum height ...
17. ### physics

a projectile with a muzzle velocity of 550 m/s is fired from the a gun on top of a cliff 460 m above the sea level at a certain angle with respect to the horizontal. if the projectile hits the ocean surface. 49.2 seconds after being fired, determine the horizontal range of the...
18. ### 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 but i'm not sure ...
19. ### Physics

A projectile is fired with an initial speed of 31.0 at an angle of 10.0 above the horizontal. The object hits the ground 7.50 later. a. How much higher or lower is the launch point relative to the point where the projectile hits the ground? b. To what maximum height above the ...
20. ### 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.
21. ### physics

A baseball is hit with a speed of 27 meters per second at an angle of 45 degrees. It lands on the flat roof of a 13 meter tall building. If the ball was hit when it was 1 meter above the ground, what horizontal distance does it travel before it lands on the building? A long ...
22. ### Physics Honors

How long will it take a shell fired from a cliff at an initial velocity of 800 m/s at an angle 30 degrees above the horizontal to reach the ground 150 meters below?
23. ### Physics

A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 36.0 m above the ground. The projectile strikes the ground with a speed of 1.3v0. Find v0. (Ignore any effects due to air resistance.) HELP NEEDED!!!
24. ### physics

A projectile is launched from ground level at an angle of 45 degrees above the horizontal with a speed of 40m/s. It is aimed straight towards a high wall that is a horizontal distance of 120m away from the launch point. a) How much time will the projectile spend in the air ...
25. ### physics

A plane flying horizontally above Earth’s surface at 184 meters per second drops a crate. The crate strikes the ground 30.0 seconds later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? [Neglect friction.] [1 ...
26. ### physics HELP

A projectile is fired with an initial speed of 1000 m/s at an angle of 37 degrees above the horizontal. If air resistance is neglected, the horizontal component of the projectile's velocity after 20 s is approximately A) 600 m/s B) 800 m/s C) 640 m/s D) 40 m/s E) 160 m/s ...
27. ### 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 cliff?
28. ### Physics

A projectile is fired vertically from Earth's surface with an initial speed v0. Neglecting air drag, how far above the surface of Earth will it go? (Use any variable or symbol stated above along with the following as necessary: ME for the mass of the Earth, rE for the radius ...
29. ### PHYSICS!

A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground 7.55 s later. What is the absolute value of the difference in height between the launch point and the point where the projectile hits the ground?
30. ### PHYSICS!

A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground 7.55 s later. What is the absolute value of the difference in height between the launch point and the point where the projectile hits the ground?
31. ### PHY 1004

A projectile is fired with an initial velocity of 10.0 m/s at an angle of 30^0 above the horizontal. It is at ground level and returns to ground level.. Determine the projectile's horizontal range
32. ### physics

A projectile is fired with an initial speed of 26.0 m/s at an angle of 30.0 above the horizontal. the object hits the ground 9.00 s later
33. ### Physics

Help! I've been trying to understand this question for quite some time now and every attempt i make at it i get the wrong answer. maybe i'm just pluging the numbers into the equations wrong, but i always get the wrong answers. if someone can just breakdown the steps for me it ...
34. ### physics

if a ball, fired as a projectile, travels 30 meters when it leaves the the ground at 20% angel, it will travel the same distance when fired at an angle of what degrees
35. ### physics

if a ball, fired as a projectile, travels 30 meters when it leaves the the ground at 20% angel, it will travel the same distance when fired at an angle of what degrees
36. ### Physics

A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the maximum height (in m) about the ground that the ...
37. ### physics

a cannonball is fired with initial speed v0 at an angle 30 degrees above the horizontal from a height of 40m above the ground. the projetile strikes the ground with a speed of 1.2v0. find v0.
38. ### 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?
39. ### 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?
40. ### 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?
41. ### Physics

I solved 1 out of 2 correctly: A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the maximum height (in m) ...
42. ### Algebra II

A projectile is launched from a platform 10 meters above ground with an initial upward velocity of 20 meters per second. Find the time when the projectile has returned to the initial height launch, find the time the projectile hits the ground, find the time when the projectile...
43. ### Math

A projectile is fired with an initial muzzle speed 190 m/s at an angle 60 from a position 5 meters above the ground level. Find the horizontal displacement from the firing position to the point of impact. I know that y=vsin(60)t-.5gt^2 and x=vcos(60)t. but I keep getting wrong...
44. ### physics

three more questions: 1) A 1.50kg projectile is launched at 18.0m/s from level ground. The launch angle is 26 degrees above the horizontal. (Assume negligible friction) a) What is the maximum height reached by this projectile? b) How was will the projectile be travelling when ...
45. ### 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 an angle of 50 ...
46. ### physics

A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...

A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...
48. ### Physics

A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=120....
49. ### Physics

A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=120....
50. ### science

A projectile is fired with an initial speed of 120m.s' at an angle of 60' above the horizontal from the top of a 50m high cliff. (a) determine the maximum height(above the cliff) reached by the projectile (b) how long it takes to fall to the ground from the max. height?. ...
51. ### science

A projectile is fired with an initial speed of 120m.s' at an angle of 60' above the horizontal from the top of a 50m high cliff. (a) determine the maximum height(above the cliff) reached by the projectile (b) how long it takes to fall to the ground from the max. height?. ...
52. ### 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 it lands?
53. ### 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 perpendicular to the ground (in...
54. ### Physics Classical Mechanics

A railroad gun of mass M = 2.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 40.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=110....
55. ### science

The projectile is fired at an angle of 45 degree to the horizontal with an initial speed of 100 feet per second. Show work.
56. ### physics

A projectile is fired off a cliff at an angle of 60 degrees to the horizontal. The height of the cliff is 48 meters and the velocity of the projectile is 80 m/s. Find the range (dx)
57. ### physics

A 3Kg projectile is fired straight upward from earth's surface with a speed that is one-fourth the escape speed. Neglecting air resistance. a) What is the Kinetic energy of this projectile when it is launched? b) what is the gravitational potential energy of this projectile ...
58. ### physics

A projectile is fired at 12.5 m/s at an angle of 53.1 with the horizontal from a point 75m above the ground. A) How long does it take to reach the ground? B)What max height does it reach? C) What horizontal distance does it travel before striking the ground? D) With what ...
59. ### Physics

A projectile is fired at 12.5 m/s at an angle of 53.1 with the horizontal from a point 75m above the ground. A) How long does it take to reach the ground? B)What max height does it reach? C) What horizontal distance does it travel before striking the ground? D) With what ...
60. ### Physics

a projectile is fired horizontally outward from the top of a table. the initial height of the bullet above the ground is 1.5 meters and the bullet travels a horizontal distance of 3.0 meters before striking the ground.
61. ### Science

A horizontal projectile with mass of 19.0kg is launched from a height of 7.0m above ground level with a horizontal speed of 250.0m/s. A)During projectile's flight, what forces are acting on it? B)What are the sizes & directions of the forces? C)Assuming ground below flight ...
62. ### physics

A projectile is fired horizontally from a gun that is 97.0 m above flat ground, emerging from the gun with a speed of 250 m/s. (a) How long does the projectile remain in the air? s (b) At what horizontal distance from the firing point does it strike the ground? m (c) What is ...
63. ### physics

A projectile is fired horizontally from a gun that is 45m above flat ground, emerging from the gun with speed 250m/s How long does the projectile remain in the air? At what horizontal distance from the firing point does it strike the ground?.What is the magnitude of the ...
64. ### Physics

A projectile of mass 0.377 kg is shot from a cannon, at height 6.6 m, as shown in the figure, with an initial velocity vi having a horizontal component of 6.1 m/s. The projectile rises to a maximum height of y above the end of the cannon’s barrel and strikes the ground a ...
65. ### pre-calc

analyzing the motion of a projectile: a projectile is fired from a cliff 200 feet above the water at an inclination of 45 degrees, with a muzzle velocity of 50 feet per second. the height of the projectile above the water is given by h(x)= -0.0128x^2+x+200 where x is the ...
66. ### Math

A projectile is fired straight up from a cliff which is 200 feet above ground with an initial velocity of 220 ft/sec. Assume that the only force affecting the projectile during flight is from gravity which produces a downward acceleration 32 ft/sec^2. Find an equation from the...
67. ### Physics

A projectile is fired straight up from a cliff which is 200 feet above ground with an initial velocity of 220 ft/sec. Assume that the only force affecting the projectile during flight is from gravity which produces a downward acceleration 32 ft/sec^2. Find an equation from the...
68. ### Physics

The highest wall that a projectile can clear is 17m, when the projectile is launched at an angle of 35.0 degrees above the horizontal. What is the projectile's launch speed?
69. ### 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) Determine the range X ...
70. ### 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 range X of the projectile...
71. ### College Algebra

Show all work. A projectile is fired from a cliff 100 ft above the water at an inclination of 45 degrees to the horizontal, with a muzzle velocity of 260 ft/second. The height of the projectile above the water is given by h(x)= ((-32x^2)/(260)^2)+x+100, where x is the ...
72. ### physic

A projectile is launched from the ground at 34.8 m/s at an angle of 44.5 degrees above the horizontal. How long, in seconds, does it take such that its angle of trajectory (it's velocity vector) is 20.6 degrees below the horizontal?

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. (b) Determine the ...
74. ### physics

A projectile is launched at ground level with an initial speed of 56.0 m/s at an angle of 35.0° above the horizontal. It strikes a target above the ground 2.90 seconds later. What are the x and y distances from where the projectile was launched to where it lands?
75. ### Physics

a) A cannonball is fired horizontally from the top of a cliff. The cannon is at height H = 100 m above ground level, and the ball is fired with initial horizontal speed v_0. Assume acceleration due to gravity to be g = 9.80 m/s^2. Assume that the cannon is fired at time t = 0 ...
76. ### Physics

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 it lands? ?!?! No idea...
77. ### physics

a projectile is fired from the top of a building with an initial velocity straight upward at 40m/sec. the top of the building is 50 meters above the ground? a) the maximun height of the projectile above the building b) the time for the projectile to reach the top c) the ...
78. ### Math

A projectile is fired with an initial velocity of 350 feet per second at an angle of 45° with the horizontal. To the nearest foot, find the maximum altitude of the projectile. The parametric equations for the path of the projectile are x = (350 cos 45°)t, and y = (350 sin 45...
79. ### PHYSICS

A Projectile IS FIRED FROM THE TOP OF A BUILDING WITH AN INITIAL VELOCITY STRAIGH UPWARD AT 40.0 M/SEC . THE TOP OF THE BUILDING IS 50.0 METERS ABOVE THE GROUND. A) THE MAXIMUN HEIGHT OF THE PROJECTILE ABOVE THE BUILDING. B) THE TIME FOR THE PROJECTILE TO REACH THE TOP. C) THE...
80. ### 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
81. ### 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 distance covered (that is, ...
82. ### Physics

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that in the figure below and has a range of 15 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the ground...
83. ### Physics

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown in Figure 3.10 and has a range of 24 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the ...
84. ### Physics

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to that shown in Figure 3.10 and has a range of 29 m. Suppose the launch speed is doubled, and the projectile is fired at the same angle above the ...
85. ### Physics

A projectile is shot at a speed of 30m/s at an angle of 50 degrees above the horizontal. The projectile hits a vertical wall at a height 20m above the horizontal. Where is the wall's location? There are 2 answers.
86. ### 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 X of the projectile ...
87. ### 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 projectile B compared...
88. ### physics

A projectile is launched from ground level at 37.0 m/s at an angle of 30.6 ° above horizontal. Use the launch point as the origin of your coordinate system. a)How much time elapses before the projectile is at a point 8.9 m above the ground and heading downwards toward the ...
89. ### 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 gravity as it falls ...
90. ### Calculus

A projectile is launched at an angle of 60 degrees to the horizontal from 6.5 ft above the ground at an initial speed of 150ft/sec. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on...
91. ### Physics

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 24 m/s at an angle 32 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. What is the maximum height ...
92. ### Physics

An object is launched at an angle of 24 degrees above the horizontal at a velocity of 33.7 m/s from the top of a building which is 110.8 meters above the ground. When the object lands on the ground, what is the horizontal displacement from the base of the building in meters? ...
93. ### physics

A projectile is fired from a cliff 300 m high with an initial velocity of 400 m/s. If the firing angle is 30 degrees from the horizontal, compute the horizontal range of the projectile.
94. ### Physics

The planet Tralfamador is a planet of mass M and radius R, and very thin atmosphere (neglect air resistance). A magnetic rail gun has been mounted on the surface of Tralfamador at the North pole. A projectile of mass m is fired from the magnetic rail of gun with an unknown ...
95. ### Physics

A ball is fired from a height of 3.0 m above the ground,with a speed of 13 m/s and an angle of 22 degrees below the horizontal.(a) At what time does the ball hit the ground? (b) What is the impact velocity?
96. ### Physics

A projectile is launched at an angle of 64.3 degrees with the horizontal (x axis) at some unknown velocity. After 4 seconds, the object's angle of trajectory is 47.2 degrees above the horizontal. What is the object's vertical displacement at this time in meters?
97. ### 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 the projectile, (b) the...
98. ### Physics

An arrow is shot with a velocity of 30.0 meters/second and at an angle of 37 degrees above ground. Its initially 2 meters above ground and 15 meters from wall. Wat Height above grond does it hit wall?
99. ### physics

A projectile is fired at an upward angle of 45 degrees from the top of a 265 m cliff with a speed of 350 m/s. What will be it's speed when it strikes the ground below?
100. ### calculus

An airplane at a height of 2000 meters is flying horizontally, directly toward an observer on the ground, with a speed of 300 meters per second. How fast is the angle of elevation of the plane changing when this angle is 45 degrees?