A penny is dropped from rest from the top of the Willis (Sears) Tower in Chicago. Considering that the height of the building is 427 m and ignoring air resistance, find the speed with which the penny strikes the ground. (Cutnell 2.37) 91.5 m/s

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

A: Given  The total distance between Tokyo Station to Kyoto station is DTotal = 460 km = 460 x 1000 m =…

Q: In a lab experiment, a cart is rolled along an inclined ramp while a student uses a motion detector…

A: In the experiment, a motion detector is used to record the movement of the roller of the cart…

Q: A person can survive a feet-first impact at a speed of about 12 m/s (27 mi/h) on concrete; 15 m/s…

A:

Q: 2 5. 758 112 1314 15 4. Amy walked to her school which is 2 km east from his house. She travelled 1…

A: Distance is the actual path travelled between two points while displacement is the shortest distance…

Q: Bill runs at a steady pace of 5.00 m/s. How long will it take Bill to run 1.00 mile? (N.B. 1 mile…

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Q: particle moves according to a law of motion s = f(t), t ≥ 0, where t is measured in seconds and s in…

A: When acceleration is positive particle will speed up

Q: For the winter, a duck flies 10 m/s due south against a gust of wind with a velocity of 2.5 m/s.…

A:

Q: An object is moving east at 15 m/s and another object Is moving south at 15 m/s. Which of the…

A: One object is moving towards east with speed 15 m/s and other is moving towards south with speed 15…

Q: The Space Shuttle travels at a speed of about 8.15 x 103 m/s. The blink of an astronaut's eye lasts…

A: Speed of the space shuttle,  Time taken by the astronaut to blink,  Length of the football field,

Q: An object is dropped from rest and takes 2.83 seconds to reach the ground below. From what distance…

A: Given Data: The initial velocity of an object is, u=0 m/s The time required to reach below the…

Q: Answer the following questions. (True or False) a. Motion and acceleration are not the same…

A: Answer the following questions. (True or False)

Q: A UFO going 100 m/s north suddenly experienced a constant acceleration for 71 s during which it's…

A: Required : Acceleration and final velocity of the UFO.

Q: An object is moving west at 20 m/s and another object is moving north at 20 m/s. Which of the…

A:

Q: To determine the height of a bridge above the water, a student drops a coin and measures the time it…

A: Given, Initial velocity: vi=0 m/s Time is taken to hit the water surface: t=2.3 sec

Q: For a water balloon launched from a 4949-meter overlook with an initial vertical velocity of…

A:

Q: The position of an object as a function of time is x(t) = −7t2 m. What is the velocity at t = 1.18…

A:

Q: The Moon is about 3.8 ✕ 108 m from Earth. Traveling at the speed of light, 3.0 ✕ 108 m/s, how long…

A: Given: The distance of the moon from the earth is 3.8x108 m. The speed of the light is 3x108 m/s.

Q: A freely falling object requires 1.80 s to travel the last 30 m before it hits the ground. From what…

A: Given, Initial velocity, u=0 m/s Time, t=1.8 s Distance in last 1.8 s, h=30 m

Q: An unidentified flying object (UFO) is observed to travel a total distance of 23000 m, starting and…

A:

Q: when she sees the house, she slams on her brakes. If her reaction time is 1.20s and her car…

A: Initial speed of car u =20.0 m/s Reaction time itr=1.20 s De acceleration a =3.50 m/s 2…

Q: A car is travelling with a speed of 95 km/h. This speed in S.I. units is O a. 26.39 m/s O b. 42.46…

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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…

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Q: A coin was tossed vertically straight upward with initial velocity 44 m/s. Find the maximum height…

A: Given that, The initial upward velocity of the coin, u = 44 m/s We need to find the maximum height…

Q: To determine the height of a bridge above the water, a student drops a coin and measures che time it…

A:

Q: Jeff Bezos just landed on the moon and is conducting an experiment, he drops a hammer from rest from…

A: Write the given values with suitable variables. h=2.01 mu= 0 m/st=1.04 s Here, h, u, and t are the…

Q: Mohammed is driving his car at 80 km/hr speed from Alaya and Ahmed is driving his car at 60 km/hr…

A:

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: A ball is thrown into the air by a baby alien on a planet in the system of Alpha Centauri with a…

A: Write the given values, and determine the height at t=1 s. u=34 ft/sy=34t-14t2y1=341-1412=20 ft

Q: An object is moving west at 30 km/h and another object is moving north at 30 km/h. Which of the…

A: Given data: One object moving 30 km/h towards Wast Second object moving 30 km/h towards North

Q: The Empire State Building in New York City is 381 meters tall.  If a penny were dropped from rest at…

A: Given data The height of the building is given as s = 381 m. The initial velocity of the coin is…

Q: You drive a car 1500ft to the East, then 2500 ft to the North. If the trip took 3.0 minutes, what…

A:

Q: The Moon is about 3.8 x 108 m from Earth. Traveling at the speed of light, 3.0 x 108 m/s, how long…

A: Given data The distance between moon and earth d=3.8×108 m The speed of light is, c=3.0×108 m/s As…

Q: Layla's initial speed is 3 m/s, she traveled at a distance = 10m. Using rapid boots, it increases…

A: Given Data : The initial speed of Layla is given as vi=3 ms The distance traveled by Layla is given…

Q: The Empire State building in New York City is 381 m tall. If a penny were dropped from rest at the…

A: Given data: Height (h) = 380 m Need to determine time taken to strike with the ground.

Q: A hiker walks 9.5 miles to the east in 5.2 hours, then turns around and walks 3.1 miles to the west…

A: Answer:-  Given  Distance (S1) = 9.5 miles due to east  Time (t1) = 5.2 hours  Distance (S2) = 3.1…

Q: A juggler throws an orange vertically into the air at 4.73 s.How long does it take the or- ange to…

A: Write the variable with the given values.

Q: A car starting from rest moves with constant acceleration. after 10 sec, the velocity is now 30 m/s.…

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Q: Two cars leave from the same place at the same time and travel in opposite direction. One car…

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Q: Convert 152 mi/h to m/s. ANSWER 67.9 m/s

A: Required : To convert miles per hour to meter per second.

Q: A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20…

A: Given Velocities of car are    v1=50 km/h=13.9 m/sv2=25 km/h=6.94 m/sv3=20 km/h=5.556 m/s Total time…

Q: A toy car starts from rest and reaches a speed of 5.13[m/s] in 1.13[s]. How far did the car travel…

A: The initial speed of the toy car, v0 =0 m/s  The final speed of the toy car, v=5.13 m/s Time…

Q: Which of the following is NOT a possible unit for velocity? O meters/second toward first base O…

A: The unit of velocity is of the form : Distance/Time Here, this form is followed by meters/second,…

Q: A physics student with a stopwatch drops a rock into a very deep well, and measures the time between…

A: Given: The speed of the sound is 343 m/s. The total time is 6.2 s. The initial speed of the stone is…

Q: A car travels 250 m/s for 3 seconds. How far did the car travels in 3 seconds? Choose the correct…

A: Speed of the car, v=250 m/s Time of travel, t=3 s   speed of the car: The speed of the car is…

Q: The Space Shuttle travels at a speed of about 6.23 x 103 m/s. The blink of an astronaut's eye lasts…

A:

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 –