A ball is released 20m from someone on ground and goes up at 2 m/s.  How fast is the distance between ball and observer increasing when ball is 5 m above ground

Q: A man standing at a window 6 meters tall watches a falling stone pass by the window in 0.413 secs.…

A:

Q: A cannonball is fired as shown below. You are comparing x and y speeds (V and vy) at the two points…

A: Dear student The horizontal component of velocity is given by: Vx= ux+axt And the verticle component…

Q: Pep sees Kyle kick the football. 0.36 ?s later, he sees the lineman—who is standing 52 me away from…

A: Given that: The time difference is t=0.36 ×10-6 s The position of an event with respect to Kyle is…

Q: An object's velocity graph is given by a straight line with an x-intercept =10 sec. and y-intercept…

A: Given data: The x-intercept on graph is x=10 s. The y-intercept on graph is y=1.5 m. The time…

Q: 2. Suppose you travel, between t = 0 s and t = 10 s, a distance of 50 m. That is, if we call your…

A: Given: The initial position at t=0 s is x(0 s) =0 m. The final position at t=10 s is x(10 s) =50 m.…

Q: the velocity of a person traveling along a straight hiking trail is given by the graph depicted. The…

A: Displacement is given by area of velocity time graph.

Q: When traveling at speeds close to the speed of light, an object's length will noticeably O Contract…

A: The correct option is (a).  i.e. Contract in the same direction of the object's motion.

Q: According to Einstein's Special Theory of Relativity, an object moving at close to the speed of…

A: Einstein's special theory of relativity says that, the length of an object moving with a…

Q: When traveling at speeds close to the speed of light, time will noticeably O Slow down O Speed up O…

A: The person traveling at the speed of light would experience a slowing of time. For that person, time…

Q: What is the speed of this object?

A: from the given graph,we can say that, the line is a straight horizontal line.

Q: 5. For the following motion equations = 2t – 15t + 36t – 22, t > or equal to 0 c. When is the…

A:

Q: Car a is moving at a volacity of 4.5 m/s and at an acceleration of 1.5 m/s^2 while car B is…

A:

Q: My question is how long ? Not max height?

A:

Q: OB) 3.46 m If the distance between distance between a and b is 60 cm, what is the distance between a…

A: Given data:  The distance between a and b is 60 cm Required: The distance between a and c

Q: A stone is projected horizontally with a velocity of 25m/s from a height 60m. The velocity of the…

A: Given data: Horizontal velocity of the stone, vh=25 m/s Height h = 60 m When the stone is projected…

Q: A bomb is designed to explode 4.00 s after it is armed.  The bomb is launched from earth and…

A: Given : Designed Time of bomb to explode after T1 =4.00 s Time taken by bomb to explode after it is…

Q: water 2 m/s A) 115 s OB) 129 s C) 135 s D) 178 s E) 205 s 400 m A student who can swim with a speed…

A:

Q: ball is thrown down from the top of a building at a height of 60 m at an initial speed of 10m / s,…

A:

Q: An object's velocity graph is given by a straight line with an x-intercept =9 sec. and y- intercept…

A: Given :x-intercept = 9 sy-intercept = 5 m

Q: A spaceship travels at a constant speed from earth to a planet orbiting another star. When the…

A: ACCORDING TO QUETION - Time taken by the spaceship to reach the planet as measured by an observer on…

Q: Ralph walks 3 m to the left in 2 seconds, then 4 m to the right in 3 seconds. Next, he stops for 3…

A: Required : Distance traveled by Ralph.

Q: How much is speed 2 A1=10 cm2 A2=2cm2 V1=7m/s V2=?

A:

Q: A train is travelling with constant velocity 5 [km/h] East relative to a train station, while Rick…

A:

Q: A meter stick moves past you, with its motion relative to you parallel to its long axis. If you…

A:

Q: 11. Two cars are approaching an intersection along perpendicular roads. Car A is moving eastward at…

A: Given value--- speed of car A = 25 m/s , eastward.  speed of car B = 15.8 m/s , Northward.  We…

Q: A stone is released from a height of 180 m, reached the ground with the speed of 60m/s. How long did…

A: height of stone, s= 180 m final velocity of stone near ground, v=60 m/s let t be the time taken

Q: A bomb is designed to explode 3.50 s after it is armed. The bomb is launched from earth and…

A:

Q: If a flea can jump straight up to a height of 0.670, how long is it in the air?

A:

Q: An object's velocity graph is given by a straight line with an x-intercept =8 sec. and y-intercept…

A:

Q: A How fast would it have to be going past you in order for it to appear only 5.5 m long? Give you…

A: Given length of car 6.05m moving with great speed. To find how fast it have to be going to appear…

Q: m 1-A particle is moving with an initial velocity of v, = 2" when t = 0. If it is subjected to a…

A: Option d is correct answer . V = 0.058 m/s

Q: A stone is thrown straight upward and it rises to a height of 3000cm. With what speed was it *…

A: a=g=Acceleration due to gravity=9.81 m/s2v=Final velocity=0u=Initial velocitys=Displacement=3000…

Q: What is the time it takes for a ball traveling at a constant velocity of 0.24 meters per second…

A:

Q: Using the velocities determine where the 2 cars will collide when place 2.1m apart? Car A = 27.41…

A:

Q: A person is determined to travel to a distant star 30 ly away from the surface of earth. Calculate…

A: Given:Star distance is 30 light years away from the surface of earth. To Find:Calculate the velocity…

Q: A stone is thrown straight upward and it rises to a height of 3000cm. With what speed was it *…

A: Given values: Height, h=3000 cm Acceleration due to gravity, g=9.8 m/s2

Q: Peggy, standing on a moving railroad car, passes Ryan at velocity ν. Peggy and Ryan both measure the…

A: Introduction: The length contraction is the shortening of the measured length of a moving object…

Q: A car speedometer typically has a threshold of about 10 :Km/h this mean that

A: The threshold value of a speedometer represents the minimum measurable value of the input which…