A student s book falls out the window of the physics laboratory. How long does it take to fall to the ground 20.0m below? Find what velocity does the book hit the ground?

Q: Charley moves 10.0 m east in 10.0 s and then returns to his starting point taking an additional 40.0…

A: Dear student The average velocity is defined as ratio of total displacement of the particle to the…

Q: A runner makes one lap around a 200-m track in a time of 25 s. What were the runner's (a) average…

A: Given Length of the track D = 200 m Time t = 25 s

Q: A potted plant drops from a ledge 5.3 m above the ground. How much time do you have to catch it?

A: We have a plant that is dropping (initial velocity u=0) from a height h=5.3 m above the ground. We…

Q: A ball rolls off a 1.50m high table and hits the floor 2.00m from the table. What is the time that…

A: According to the kinematics equation, find the time taken by the ball.…

Q: a rock is thrown downward from the top of 40 m talltower with an initial speed of 12 m/s. assuming…

A: Here given a rock is thrown downward with a velocity 12 m/s from a tower of height 40 m. We have to…

Q: Find the stopping time for a car that is velocity to 45 km / h a slow down acceleration of 20 km /…

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Q: A stone is thrown vertically upward with an initial velocity of 30 m/s from the top of a tower 20m…

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Q: A baseball is thrown upward with an initial velocity of 50.0ft./sec. Find the time it takes to rise…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: An object is dropped from rest at a height of 300 m. Find the velocity after 2 seconds. Find the…

A: Here, it is given that an object is dropped from rest at a height of 300m. We have to answer the…

Q: A train is 250 m long runs at 65 m/s. Find the time ?

A: Given data :   Distance   =   D   Speed   =   S        To find :         Time

Q: Julie runs 15m[E] and then 12m[N] in 7.8s. Determine Julie's average speed and average velocity. [4]

A: Given, Julie runs 15 m in east  then run 12 m in north  Total time t = 7.8 s

Q: A car has a initial velocity of 30 m/s and it travel a distance 130 m and stop. Find the…

A: Given initial velocity u = 30 m/s final velocity V = 0 m/s distance to cover s = 130 m  using…

Q: g will the

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Q: A hot air balloon is traveling vertically downward at a constant speed of 8.3 m/s. When it is 26.8 m…

A: The initial speed of object is same as balloon speed. Height is given 26.8 m

Q: A train is 300 m long runs at 60 m/s. Find the time ?

A: Given: The length of the train: d = 300 m; The speed of the train: v = 60 m/s. To find the time.

Q: The fastest measured pitched baseball left the pitcher’s hand at a speed of 45.0 m/s. If the pitcher…

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Q: mark walks north to a convenient store which is 75 m from his house. once there he realize he forgot…

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Q: A train is 210 m long runs at 40 m/s. Find the time ?

A: Time = distance/speed.

Q: A certain freely falling object requires 1.5 s to travel the last 30.0 m before it hits the ground.…

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Q: Goku throws a dragon ball vertically upward from the edge of an 88m building and falls to the ground…

A: Recall kinematical equation Yf=Yi+Vt-1/2gt2Vf=Vi-gt

Q: A pebble is thrown downward from a 32.0-m-high cliff with an initial speed of 9.00 m/s. How long…

A: g↓=9.81 m/s2initial speed u=9 m/s2acceleration a=g=9.81 m/s2

Q: Consider the following velocity versus time graph for a moving car. What would the car's position…

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Q: An airplane traveling at an altitude of 2000 m and with a velocity of 200 m/s  drops a package. How…

A: SOlution: given that h = 2000 m v =200 m/s to find the time when package reach the grond

Q: A student drops a rock from 5.0 m high. How long does it take to reach the ground? What is the…

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Q: A ball thrown straight up into the air is found to be moving at 2.82 m/s after rising 2.65 m above…

A: Write the expression for the velocity of the ball.

Q: A train is 450 m long runs at 78 m/s. Find the time ?

A: Given data :                       Distance    =    D                        Speed       =    S…

Q: A ball is thrown straight up. It passes a 2.00-m-high window 7.50 m off the ground on its path up…

A: In the given case , the ball is projected straight up with certain initial speed . Since the object…

Q: An engineer is designing the runway for an airport. Of the planes that will use the airport, the…

A: Given data: Magnitude of minimum acceleration is, a=3 m/s2. Take-off speed is, v=65 m/s.

Q: A plane has a takeoff speed of 88.3m/s and requires 1365m to reach that speed. Determine the…

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Q: A ball is thrown vertically upward until it reaches a height of 5 yards. Find the initial velocity…

A: The third equation of motion is  where, u is the initial velocity, v is the final velocity, a is…

Q: A projectile is thrown vertically upward from the top of a 17.2 m tall building and strikes the…

A: Height of building = 17.2 m T = 3.42 sec

Q: Wile E. Coyote is chasing the roadrunner and falls off a cliff. It takes Wile E Coyote 7 long…

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Q: A car can cover 37m in 9s while eventually slowing down to a final velocity of 2.6m/s. Find the cars…

A: distance covered (d) = 37 m time taken (t) = 9 seconds final velocity (v)= 2.6 ms

Q: Nikki drops her doll from the rooftop 10 m above the ground. Neglecting air resistance, how long it…

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Q: A ball is thrown straight up with an initial velocity of 20.0 m/s. What maximum height does it…

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Q: Lana throws a rock straight down from the edge of a cliff at a velocity of 4.80m/s. How far in m…

A: Given data: Velocity, u=4.80 m/s Time taken, t=1.55 s

Q: A package is dropped from a 10 puan helicopter moving upward at 15 m/s. If it takes 16 s before the…

A: It is given that, u=15 m/st=16 s

Q: Sam is 5’7 ft tall and tossed a coin straight up which reached 3.1 m above the floor. At what…

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Q: In the figure shown, the initial velocity is 175 ft/s. Solve for d".

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Q: At a stop light, a truck traveling at 10 m/s passes a car as it starts from rest. The truck travels…

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Q: A tennis player tosses a tennis ball straight up and then catches it after 1.36 s at the same height…

A: The time taken by the tennis ball to rise straight up its maximum height is the same as the time to…

Q: Lana throws a rock straight down from the edge of a cliff at a velocity of 4.70 m/s.  How far (in m)…

A: Given data:  Initial velocity (Vi) = 4.70 m/s, downward  Time (t) = 1.45 s

Q: A student, stands at the edge of the roof of a building, throws a ball vertically upward with an…

A: In this question we will use equation of motion  v=u+at.......(1)

Q: A gourd is thrown downward from the top of a 12.0 m tall building at a velocity of -4.12 m/s. With…

A: Given data: height of building is, s=12.0 m. Initial velocity is, u=-4.12 m/s.

Q: The velocity-time graph shows the motion of a cyclist. Find (i) its acceleration

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Q: An object has this following velocity function:   Assuming the object starts at (10, -25) at t = 0…

A: Given initial position object, ri = 10i - 25j           v = -20ms3t2 i + 42ms2t j As we know dxdt=v…

Q: A train is 180 m long runs at 46 m/s. Find the time ?

A: Data we have distance,d=180m velocity,v=46m/s To find time,t=?

Q: A ball is thrown from the top of a building with an initial velocity of 20.0 m/s straight upward, at…

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.