A stone is thrown straight down from the edge of a roof, 1200 ft above the ground, at a speed of 7 ft/sec. Given that the acceleration due to gravity is -32 ft/sec^2, how high is the stone 2 seconds later? ______ sec  At what time does the stone hit the ground?  ______ sec What is the velocity of the stone when it hits the ground?  _______ ft/sec.

Q: Position of an object as a function of time is given in the following figure. What is the average…

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

Q: A car travelling 5m/s slams on its brakes, creating an acceleration of -2m/s2. How far did the car…

A: Given: Initial velocity, u=5 m/s acceleration, a=-2m/s2   We will use equations of motion to solve…

Q: 4. A roller coaster car starts going down a hill from rest. It accelerates at 4.0 m/s². If it is on…

A: Given Information:- Initial speed of the roller coaster is vi=0 Acceleration of the roller coaster…

Q: A runner start from rest then speeds up at a constant acceleration for 4s while traveling 10 meters…

A: Given data:  Initial speed (Vi) = 0 m/s Time (t) = 4 s Distance (d) = 10 m Required: Acceleration…

Q: E) 2.881 secs

A: The sound of the splash reached the deck = 3 secs  The speed of sound = 342 m/s in still air

Q: A brick was dropped from rest from a height of 93.1 m. How long does it take the brick to reach the…

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Q: A race car at constant speed of 150 m/s passes a racing motorcycle that is about to start. The race…

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Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Given: Let, the time to drive from Santa Cruz to San Jose is t1, and the time taken back to the…

Q: An airplane flies eastward and always accelerates at a constant rate. At one position along its…

A: Given value--- Initial velocity = 26.7 m/s. distance = 42500 m. final velocity = 42.3 m/s. We have…

Q: In m/s?, what is the acceleration when t = 7.5 sec? Express your answer as an integer, not as a…

A: The acceleration at a time in velocity-time graph represents the at that time.

Q: stone is thrown downward with a speed of 20 m/s from a height of 11 m. (acceleration due to gravity:…

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Q: If you drive from Santa Cruz to San Jose, and back to the same place you started in 1.5 hours. What…

A: Average Velocity of an object is its total displacement divided by total time taken.  Displacement -…

Q: A car speeds up uniformly from 10 m/s to 20 m/s while traveling a distance of 75 m. What is its…

A: vi=10 m/svf=20 m/ss=75 m

Q: A ball rolls up a hill . It had an acceleration of -4.0 m/s^2 if it takes 2.0 seconds for the ball…

A: Given:Acceleration a = -40 m/s2It takes 2.0 seconds to roll3.0 m behind its starting point.

Q: A ball is thrown directly upward at a speed of 64 feet per second from a cliff that is 80 feet above…

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Q: An object rolls off a 17.0-m high cliff with a speed of 4.50 m/s. a. The time for the coconut to…

A: Given data: Height  =17.0m Speed =4.50 m/s The projectile motion of the ball is,

Q: A stone is thrown straight upward with a speed of 25 m/s. It is caught on its way down at a point 5…

A: Given  Initial velocity u = 25 m/s  Acceleration a = -g  = -9.8 m/s2  Displacement S = 5 m

Q: Q1:: A man shot a bullet vertically to the sky with an initial velocity of 500 m/sec. determine the…

A: The initial velocity of the bullet is 500 m/s.  To determine: The maximum height of the bullet and…

Q: A car accelerates from 6 m/s to 24.0 m/s at a rate of 3.00 m/s2. How far does the car travel while…

A: Using kinematic equation, the expression for find distance is v2=u2+2ass=v2-u22a

Q: A stone is thrown straight upward with a speed of 20 m/sec. It is caught on its way down at a point…

A:

Q: A rocket accelerates from rest at a rate of 23.2 m/s? for exactly 1 minute. The rocket's speed after…

A: Acceleration of the rocket is a = 23.2 m/s2 Time of acceleration is T = 1 min = 60 sec Initial speed…

Q: An airplane decelerates at a constant rate of 4.63 m/s² when it land runway of an airport. For a…

A: Given: De-acceleration of airplane, a=-4.63 m/s2 Time duration, t=15.8 s Distance, s=1378 m

Q: seconds

A: In a free-fall body weight is the only force acting on the object, therefore, in this case, since…

Q: A ball is dropped from the top of a 84-m-high building. What speed does the ball have in falling 3.3…

A: In the given problem, the acceleration is constant (gravitational acceleration) during the motion so…

Q: An airplane flies eastward and always accelerates at a constant rate. At one position along its…

A: Solution:given,V1=34.9m/sd=44100mV2=47.5m/s using kinematics equation, we will find acceleration and…

Q: The difference between speed and velocity is ___. Speed is measurable Speed can change over time…

A: Since we only answer up to 3 sub-parts, we’ll answer first 3. Please resubmit the question and…

Q: A rock is thrown vertically upwards from ground level at t = Os. At t = 2.7 s it passes the top of a…

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Q: A car accelerates from a stop light at 3M/S2 until it is traveling at a velocity of 15M/S? At that…

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Q: Bob rides his bike from point A to B in 2.5hours. The next day Bob increases his average speed by…

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Q: Your favorite car goes zero to 60.0 mph in 5.00 seconds. Assuming it accelerates uniformly, sketch a…

A: Assume car to be travelling in straight line. Let u be the car’s initial velocity, v be the car’s…

Q: This is the velocity vs time graph. I would like to see how the position vs time graph will look…

A: As the given v vs t graph look like a sin/ cos wave function.  Let guess the  velocity as a function…

Q: A monkey in a tree has two caps. He throws the blue cap straight up with a velocity of +10 m/s and…

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Q: A small rock is thrown vertically upward with a speed of 22 m/s from the edge of the roof of a…

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Q: A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of…

A: Using kinematics, s=ut+12gt2

Q: The velocity vs. time graph for an object in motion is shown below. What is the total distance…

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Q: A ball is thrown straight up with a speed of 20 m/s. How long does it take to return to its starting…

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Q: rock is dropped from a 100 m high tower then after 3 seconds another stone was thrown from the…

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Q: A small rock is thrown vertically upward with a speed of 29.0 m/s from the edge of the roof of a…

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Q: A car is making a 12-mile trip. It travels the first 6.0 miles in 12 minutes and the last 6.0 miles…

A: Given that,Distance 1, d1= 6.0 milTime 1, t1= 12 minthen, Velocity, v1=d1t1=6.0 mil12 min= 0.5…

Q: A ball is tossed straight up from the ground. If it reaches the height of your bedroom window (2.0…

A: v GivenA ball is tossed straight up from the ground,The maximum height attain by the ball is, H =…

Q: ou throw an object up with an initial velocity of voy=13 m/s from a height of y=25 m.  Part a) How…

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Q: A particle starts from rest and accelerates as shown in the figure below. az (m/s²) 2 1 5 (s) 7 " 10…

A: We have given two time to measure speed that is T1 =10.0s And T2=20.0s We have to find the particle…

Q: A car is accelerating uniformly as it passes two checkpoints 500 m apart. The car was travelling at…

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Q: A particle starts from rest and accelerates as shown in the figure below. a, (m/s²) 1 t (s) 20 5 10…

A: As per the given graph :

Q: truck accelerates from 18.0 m/s to 25.0 m/s during a time when its acceleration was 5.00 m/s2. How…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –