A giant boulder is traveling down a hill at a rate of 20 m/s. You are located 1 km away from the boulder. How much time do you have to evacuate the area? A. 10 seconds B. 10 minutes C. 50 seconds  D.  50 minutes

Q: You’re in a car traveling at some specified speed limit. You see a car moving at the same speed…

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Q: a stone is dropped from the deck of a bridge. the sound of the splash reached the deck 3 seconds…

A: Let h is height of deck from water.Splash was heard after 3 sec.speed of sound=v'=342 m/sg=9.8 m/s2

Q: You’re driving down the highway at 20 m/s when a deer steps onto the road 35 m in front of you. Your…

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Q: Classes are canceled due to snow, so you take advantage of the extra time to conduct some physics…

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Q: 1. Andrew and Kevin decide to try out the physics ideas that they are learning and take their…

A: As per guidelines , only first 3 subparts are solved here. Given, height = 96 feet initial velocity…

Q: 10) You throw a water balloon vertically downwards with a speed of 15 m/s from a height of 29 m…

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Q: 1. Hannah watches a thunderstorm from her living room window. She is concerned that the lightning…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 9. A rocket is launched from Wallops Island: a. The rocket leaves the ground from rest and reaches a…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is the initial speed of the egg? Express your answer in meters per second. ΑΣφ m/s Vin %3D

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Q: 1. A bowling ball starts from rest and moves 300 m down the gutter in 22.4 seconds. a) What is its…

A: Given Data: The distance covered in the downward direction is: h=300 m The time taken to move down…

Q: You are talking with a cell phone while trailing a police car by 20m; both ypur car and the police…

A: Distance between the person’s car and the police car after 2.0 s Let the person’s car be at the…

Q: 1. An object was released from rest at a certain height. Then it falls freely for 5 seconds. a.…

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Q: The rocket sled starts from rest and accelerates at a = 30 + 2t m/s? until its velocity is 400 m/s.…

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Q: 2. You are driving down a street in a car at 50 km/h. Suddenly, a child runs into the street. It…

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Q: A student, standing on the roof of a 30.0m tall dorm building releases from rest a 200-grams apple…

A: Height of the building is H = 30.0 m Mass of the apple is m = 200 g Height of the window is h  Time…

Q: A sprinter running a 100-meter race starts at rest, accelerates at constant acceleration with…

A: Given Data : The distance travelled by the sprinter is given as L = 100m The time for which it…

Q: Buzz Lightyear is standing on top of a building on the planet Zook. He wishes to determine the…

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Q: 1-D velocity example. Bob is truck surfing. The truck is traveling at +20 m/s. Bob can throw a ball…

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Q: 10. a) A car travels at a speed of 25 m/s. How far does it travel in 5 s? b) Draw a graph showing…

A: Given data: Speed of car is, v=25 m/s. Time taken is, t=5 s.

Q: 1. Arthur and Betty start walking toward each other when they are 100. m apart. Arthur has a speed…

A: Let both of them meet at time t. Arthur would then have covered distance of 3t m and Betty, a…

Q: A car goes 78 m to the righty and then 22 m to the left. It makes this trip on 35 seconds. a. What…

A: The diagram can be given as

Q: Lean and Mickey who are 150 m apart start walking toward each other at 3.0 m/s and 5.0 m/s,…

A: Given data: Distance (d) = 150 m Speed of Lean (V1) = 3.0 m/s Speed of Mickey (v2) = 5.0 m/s

Q: 19. A rock is dropped off the side of a bridge and hits the water below 14 s later. (a) What was the…

A: Initial speed  u=0m/s When hit water speed v = ? Acceleration a=9.8m/s^2 Time = 14sec

Q: 2. A car passes through a circular loop with a circumference of 100m in 4 seconds. a. What is the…

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Q: The Elco Voltmeter company has a robot part delivery system that moves at a speed of 3 ft/s. The…

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Q: It is late at night and your are on the road in your SUV on Interstate 80. You are moving at a speed…

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Q: 1. Lean and Mickey who are 150 m apart start walking toward each other at 3 mis ad 5 m/s,…

A: According to Bartleby guidelines we can solve only the first question at a time. Kindly post rest of…

Q: ed from a cliff A. What is the speed of the ball 5 seconds later? B. What is the velocity of the…

A: GivenA ball is dropped from a cliff Time, t=5 s

Q: Light travels at a speed of about 3 × 108 m/s. (a) How many miles does a pulse of light travel in a…

A: a)Distance travelled by the light in 0.1second is,

Q: 16. A physics student rides a moped for 1 hour going 30 mph, then spends 1.5 hours not moving, and…

A: Given data: Speed v1=30mph Time t1=1 hr Speed v2=0mph Timet2=1.5hr Speed v3=30mph Time t3=2 hr

Q: 2) A car traveling with a velocity 80 km/hour slows down at a constant 0.8m/sec2 just by “letting up…

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Q: You throw a ball straight up. The ball leaves your hand at a height of 2.00 m above the ground with…

A: 3a.) The ball’s height (y0) at the time (t = 0 s) is 2 m above the ground. Its initial vertical…

Q: 2. It takes a swimmer 30 seconds to complete a 120 meters lap. What is the speed of the swimmer?…

A: Given:- Distance (d)=120 m  Time(t) =30 sec Find:- Speed(v) of the swimmer

Q: 3. A tennis ball is thrown up in the air. It's height is given by h(t) = -5t2 + 23t +2, where h(t)…

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Q: 8. a. Which object is moving faster? b. Which starts ahead? Explain what you mean by “ahead." A Time…

A: To get the idea of how faster an object is moving, calculate its speed or velocity.

Q: 101. A truck is traveling east at 80 km/h. At an intersection 32 km ahead, a car is traveling north…

A: (a) Write the formula for the position vector of the truck with respect to the car after time t.

Q: I Review Gulls are often observed dropping clams and other shellfish from a height to the rocks…

A: Given that Initial Speed of the shell is u = 0 ( as it dropped from the rest) Initial height from…

Q: 1 car is stopped at a red light. At t 0, the light turns green, and the car begins to accelerate at…

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Q: Slock.com494515365 Vf-Vi a = Vf-Vi Vf = Vi + at Vi = Vf-at Vf-Final Velocity (speed) Vi-Initial…

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Q: Classes are canceled due to snow, so you take advantage of the extra time to conduct some physics…

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Q: 3. A car is moving with constant speed of 80 km h-' when suddenly the driver sees a cat 50 m…

A: Given values: Initial speed of the car, u=80 km/h Final speed of the car, v= 0 m/s The distance of…

Q: 3. What will happen if: a. the object travels closer to the speed of light? b. the object travels at…

A: (a) If object travels closer to the speed of light then the time of object slows down with respect…

Q: Arthur and Betty start walking towards each other when they are 120 m apart. Arthur has a speed of…

A: Given data- distance between Arthur and Betty  d=120 m Arthur speed V1 =4.0 m/s Betty speed V2=2.0…

Q: 45, Commute to Work Jade and her roommate Jari commute to work each morning, traveling west on I-10.…

A: Part A.  Slope of distance time graph gives the speed. Slope of graph of Jari is more than the slope…

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.