A student is staring idly out her dormitory window when she sees a water balloon fall past. If the balloon takes 0.16s to cross the 140-cm-high window, from what height above the top of the window was it dropped? Express your answer in meters.

Q: What is the total distance covered in m/s by an airplane before takeoff if it accelerates at…

A: Given Acceleration of rocket  a = 3.2 m/s^2 Time taken T= 32.8 s To find Total distance travelled.

Q: An object moves along the positive x-axis with a speed of V, =4 m/s for 2 seconds, then moves along…

A: Given: The velocity V1 is 4 m/s. The time duration is 2 s. The velocity V2 is 7 m/s. The time…

Q: From the speed of 100 kph, a car decelerates at the rate of 15 m/min/sec along a straight road.…

A:

Q: A Man in a car starts from Paris and Travels 80 km at a constant speed of 80km/h, then stops for 30…

A: Given data: d1 = 80 km at speed (V1) = 80 km/h Rest time = 30 min = 0.5 h d2 = 200 km at speed (v2)…

Q: A truck travels 540 ft in 8 s while being decelerated at a constant rate of 1.5 f/s?. Determine (a)…

A:

Q: A suspicious-looking man runs as fast as he can along a moving sidewalk from one end to the other,…

A: Given:  time to go, t = 2.5 s  time to come back, t' = 0 s

Q: At an average speed of 11 m/s, how many kilometers can a cyclist travel in a 7 hour day?

A: Given data:  Average speed (Vavg) = 11 m/s Time (t) = 7 hour Required: Distance traveled in…

Q: In reaching her destination, a backpacker walks with an average velocity of 1.31 m/s, due west. This…

A:

Q: Traveling with an initial speed of 70 kph, a car accelerates at 6000 km/hr2 along a straight road.…

A: Given Data: The initial speed of the car is: u=70 kph The acceleration of the car is: a=6000 km/hr2…

Q: If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 112…

A: When a body is thrown up with initial velocity u, the body undergoes free fall motion under gravity.…

Q: A woman walks a distance of 250 m with an average speed of 1.5 m/s. How long did it take her to walk…

A: Distance walked by woman (d) = 250 m Average speed of woman (v) = 1.5 ms To find : The time taken by…

Q: A truck travels with a speed of 59 mi/h. This speed in S.I. units is (Given 1 mile = 1.609 km) O a.…

A: SI Unit of speed is metres per second  1 mile per hour = 1.609 km /hr Now converting km/hr  to  m/s…

Q: A truck travels 540 ft in 8 s while being decelerated at a constant rate of 1.5 ft/s?. Determine (a)…

A: for distance we use newton law motion      s= u0t -1/2 a t2      v=u0 -a t     given  s=154 ft…

Q: The Shinkansen (bullet train in Japan) makes a trip from Tokyo Station to Kyoto station in 2.0 hours…

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Q: An F18 is launched from the runway of an aircraft carrier. Starting from rest, in 2 s, the plane…

A: Write the given values with the suitable variables. u=0t=2 sv=151 km/h=151×10003600 m/s=41.94 m/s…

Q: PLEASE ANSWER IN 10 MINUTES ! ! ! A stone is dropped off a cliff. After this stone has traveled a…

A: Given 1. One stone at top 2. Another stone falling and at distance d from above To find  The…

Q: During a walk on the Moon, an astronaut accidentally drops his camera over a cliff. It leaves his…

A: Given: The initial speed of the camera is 0 m/s. The final speed of the camera after 2 s is 7.6 m/s.

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

A:

Q: A package is dropped from a helicopter moving upward at 15 m/s. If it takes 16.0 s before the…

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Q: A stone was thrown vertically with initial velocity of 49 m/s from

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Q: A stone is dropped from the top of a cliff. It is seen to hit the ground below after 3.78 ss . How…

A:

Q: A motorist drives 100 km from one city to another in 2.80 h but makes the return trip in only 2.00…

A: The average speed of the total trip can be expressed as,

Q: What is the velocity of a car that travels from mile marker 32 on I-10 to mile marker 312 on I-10 in…

A: Given: d = 32 mile  d' = 312 mile  t = 2 hours 45 minutes

Q: object is dropped from rest and impacts the ground with a velocity of 9.6 m/s. What height was it…

A: Use kinematics

Q: A penny is dropped from rest from the top of the Willis (Sears) Tower in Chicago. Considering that…

A:

Q: Traveling with an initial speed of 70 kph, a car accelerates at 6000 km/m2 along a straight road.…

A:

Q: When it takes a car 8.9 s to increase its speed from 4.5 m/s to 25.4 m/s, what is the magnitude of…

A:

Q: A rock is dropped out of a window 47m high. How far does it fall in the first 2.6 seconds?

A:

Q: Starting from rest, a bus leaves a gas station with a constant acceleration of 2 m/s^2 until it…

A:

Q: A stone is dropped (released) from the top of a building of 60 m above the ground. How long does it…

A: Write a given values of this question. h=60mu=0 m/s

Q: Sabrino is walking down a road when he observes a nearby mountain that a boulder is falling, he…

A: We will use the laws of motion to solve this question. The distance travelled by a body falling from…

Q: From a speed of v= 48 kph, a train decelerates at the rate of 2m/min², along the path. How far in…

A:

Q: If it takes a ball dropped from rest 2.522 s to fall to the ground, from what height H was it…

A: Initial speed of the ball, u = 0 m/s Acceleration of the ball, a = 9.81 m/s2 Time, t = 2.522 s…

Q: If an object were to freely, from what height would it need to drop to reach a speed of 70.0m / s…

A: Given data:  Initial velocity (v0) = 0 m/s Final velocity (v) = 70.0 m/s Required: The height (h) of…

Q: Ann walks 135 m north from point A to point B. She then turns around from point B and travels south…

A: Displacement is the shortest distance travelled by a body between final and the initial position.…

Q: If a flea can jump straight up to a height of 0.44 m, what is its initial speed as it leaves the…

A: Given that:- Maximum height attained by a flea=0.44m

Q: To visit your friend, you first drive on a highway at 55 mi/h for 1.6 hours and then drive on a…

A: Given first velocity v1= 55 mi/h for time t1 = 1.6 hour another velocity v2= 20 mi/h for time t2 =…

Q: A stone is released from rest from the top of a building of height 180 m. How much time elapses…

A:

Q: How far does a car going 15 m/s travel in 6 s? How far would a jet going 235 m/s travel in 6 s?

A: Velocity of car, v = 15 m/s Time interval, t = 6 s Distance traveled by car is given by, Therefore,…

Q: A runner covers a distance of 15.0 m in 6 s to move from x = 0 to x = 4.0 m. What is the average…

A: 2.50   m/s is right ans.

Q: An object falls a distance h from rest. If it travels 0.550h in the last 1.00 s, find (a) the time…

A:

Q: How long does it take for a ball dropped off a building of height 63.5 m to hit the ground if the…

A: Write the given values with the suitable variables. h=63.5 mu=0 m/s Here, h is the height and u is…

Q: a 1200kg automobile moving at 25m/s has the brakes applied with a deceleration of 8m/s^2. How far…

A: mass of automobile (m) = 1200 kg Initial velocity of automobile (u) = 25 msFinal velocity (v) = 0…

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.