A bird is flying due east, its distance from a tall building is given by x(t)= 32.0 + (11.1 m/s)t - (0.0350)t^3  what is the instantenous velocity when t=8.00?  i have tried this and have gotten 8.86 in which the program tells me that is incorrect...

Q: A cart is moving at a constant absolute velocity Vcart = 5 km/h to the right. A high-speed jet of…

A: Velocity of the cart (Vcart) = 5 km/h to the right.Velocity of the water jet (Vjet ) = 15 km/h to…

Q: A stone is dropped from the upper observation deck of a tower, 900 m above the ground. (Assume g =…

A:

Q: The elevations of the ski jumping hill shown below are as follows: hA = 46 m hB = 2.4 m hC =…

A:

Q: A rock is thrown straight up into the air from a height of 5 feet, at an initial velocity of 12…

A:

Q: A stone is thrown vertically upward from the ground with a velocity of 14.72m/s. One second later,…

A: Gieven: The initial velocity of the first stone is 14.72 m/s. The initial velocity of the second…

Q: A monster truck launches off a ramp 4.5m high at a velocity of 75m/s 52° above the horizontal. This…

A:

Q: (a) its average velocity; (b) its average acceleration. 3) Personnel at an airport control tower…

A:

Q: An arrow is shot from a height of 1.5 m toward a cliff of height H. It is shot with a velocity of 28…

A: a) The total vertical displacement from the height is, y=yo+usinθt-12gt2H=1.5 m+28 m/ssin60o3.78…

Q: A car travels ata constant speed of 72 km/ h. Suddenly in front of it is a 10 meter drop. How far…

A: Given u = 72 km/h = 20 m/s

Q: A motorcycle stunt rider redes off the edge of a cliff. Just at the edge his velocity is all…

A:

Q: reasonable limits of accuracy, find the instantaneous velocity v when t = 4 s. 10 t, s Answers: For…

A: Given data: The total time interval is: ∆t = 8 sec The average velocity is: Vav The instantaneous…

Q: The elevations of the ski jumping hill shown below are as follows: hA = 46 m hB = 2.4 m hC = 6.8 m…

A:

Q: Arvin the Ant is on a picnic table. He travels 30 cm northeast, then 25 cm due north, and finally 15…

A: Given data: Ant travels 30 cm northeast, then 25 cm due north, and finally 15 cm west Need to…

Q: if the ball is thrown an angle of 25° relative to the ground and is

A:

Q: A major league pitcher throws the ball at a speed of 97.5 ft/s. How high would the ball go if thrown…

A: Given: The initial speed of the ball is 97.5 ft/s. Introduction: When a body is thrown against…

Q: A particle is moving along a straight line with a = (12t - 3^0.5) ft/s^2, where t is in seconds.…

A: Given, acceleration is a=12t-30.5ft/s2   Since the acceleration is time-dependent. So we can write…

Q: A cannonball is launched from the ground at 45.0 degrees with an initial velocity of 1.00x102 m/s.…

A: When an object moves at an angle from horizontal under the influence of uniform gravity, then motion…

Q: 3. How long does it take to increase a cars velocity from 5 m/s to 15 m/s if the car can accelerate…

A:

Q: 12. waiting to throw a football at a 5 foot target. Dobby throws the ball at a speed of 52 ft/sec.…

A:

Q: y hmax

A: First we apply projectile motion to find intial speed and then apply equation of motion along x and…

Q: 3.1. Consider the displacement vectors, Ã = (2î + 4})m , and B = (î – 7})m. If Ä - B+ 3Č = 0, what…

A:

Q: give me an example of the following

A: Introduction: Scalar quantity: The scalar quantity is the physical quantity that has only magnitude…

Q: If a particle is moving on a path with the given equation y = 3t^2-t+5, find its rate at (2,1),…

A:

Q: (b) A particle moves with a velocity of V= (t-15)(35 t² -221 t +120) m/s Where t in s. Find the…

A:

Q: A major league pitcher claims that he can throw a baseball from the ground, straight up, as high as…

A: Given: The maximum height league pitcher claims is h=740 ft.

Q: A monster truck launches off a ramp 4.5m high at a velocity of 75m/s 52° above the horizontal.This…

A:

Q: A projectile is thrown from ground level with vo = 131+ 20j m's. What is the speed (in m's) of the…

A:

Q: en A dog sees a squirrel 7.4 m away. The dog runs toward the squirrel at 6.2 m/s. The squirrel was…

A: GivenSpeed of dog The distance which should be covered by dog is given by The distance which should…

Q: The position vector is r = (3t3 - 2t)i + (2t+1)j (above r,i,j has Vector symbol) Determine the…

A: given that  r = (3t3 - 2t)i + (2t+1)j

Q: The elevations of the ski jumping hill shown below are as follows: hA = 49 m hB = 3.5 m hc = 5.2 m…

A: GivenhA=49 mhB=3.5 mhc=5.2 mvB=25.4  m/s

Q: Andrea is paddling a kayak. She starts from a dock and paddles 13.5km S550W. Then she decides to…

A: First displacement of Andrea (d1→) = 13.5 km ( 55 degree west of south)= 13.5 ( - sin55oi^ -…

Q: If a rock is thrown upward on the planet Mars with a velocity of 17 m/s, its height above the ground…

A: Given-     initial velocity of rock = 17 m/s      H = 17t -1.86t2

Q: A rock is dropped into the center of a circutar pond. The ripple moved outward at 4( m)/(s). How…

A:

Q: A rock is thrown off a cliff at an angle of 53° with respect to the horizontal. The cliff is 110 m…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-partsfor…

Q: A ball is thrown from a height of 5.0 mm above the ground, and its initial velocity is 3.9 m/sm/s in…

A: Height, h = 5.0 m Initial velocity, u = 3.9 m/s Distance (in the horizontal direction), x = ?

Q: spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the…

A: Motion of spider will be projectile motion. Motion of projectile can be divided into x components…

Q: A person standing on the roof of a building 12 m high throws a ball upward with a velocity, Vₒᵧ = 22…

A:

Q: (a) A soccer player kicks a rock horizontally off a 33 m high cliff into a pool of water. If the…

A: Consider the rock is falling in the y axis.Use the equation,The time taken by sound to reach player…

Q: In the sport of billiards, event organizers often remove one of the rails on a pool table to allow…

A:

Q: Having an initial velocity that is going downwards of 2 m/s from a height of 3 m. A ball it hits a…

A: Given,

Q: he trajectory equation x(t) = A sin

A: We know that the object obeys the trajectory equation as  x(t) = Asin2πvt ----- eq 1  here  A is the…

Projectile Motion