The speed of a vehicle is 71 km / h . How much is this speed in S.I units ? choose a -150.86 m / s b -19.72 m / s c.255.60 m / s d . 31.73 m / s

Q: A motorist drives north for 32.0 minutes at 80.5 km/h and then stops for 15.0 minutes. He then…

A: Total displacement of the motorist is calculated as follows:

Q: 13. Roger runs a marathon. His friend Jeff rides behind him on a bicycle and clocks his speed every…

A: The body starts from rest and the velocity keeps on increasing, the acceleration also increases. The…

Q: Two cars leave an intersection, one 17 minutes after the other. The first car, A, travels north at…

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Q: Many highways have a speed limit of55 mi>h. (a) Is this speed greater than, less than, or equal…

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Q: 26 Section 2 Assignment: The Nature of Speed a questions 1 to 4, read each question carefully.…

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Q: Acar is going 19 m/s for 27 s. Draw an accurate graph showing the distance versus time for the car.…

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Q: A motorist saw a humps 33 m away at a speed of 14.5 m/s. He immediately slams on the brake and…

A: Given : motorists saw hump = 33 m away             Initial speed = 14.5 m/s            decelerate, a…

Q: 2. Convert the following units into a desired unit with correct significant figure a. 10 m/s? to…

A: NOTE- As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: 1. A boeing 737-800 airplane leaves Toronto traveling N40°W at 720 km/h. After 60 minutes, the plane…

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Q: QUESTION 5 You slam on the gas of your racecar and you accelerate at 12 m/s2 from rest. How long…

A: Given: 5 - initial velocity, u=0 acceleration, a=12 m/s2 final velocity , v=48 m/s To determine time…

Q: Complete the following table height h (cm) Time t, (s) Time t2 (s) Mean time t (s) t? (s?) h/t?…

A: For a free-falling body, the kinematic equation is h =12gt2 where h =height, g =gravitational…

Q: s still positive and decreases only marginally over time. (b) The value of vy is changed from…

A: A projectile is any object thrown into space upon which the only acting force is gravity. The…

Q: A bus travels with a speed of 75 mi/h. This speed in S.I. units is .(Given 1 mile = 1.609 km) O a.…

A: Given :.  V = 75 mi/h 1 mi = 1.609 km And 1 km = 1000 m So one mile = 1.609 x 1000 m 1 hr = 60x60 s…

Q: 2. Convert the following units into a desired unit with correct significant figure a. 10 m/s? to…

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Q: 1. On an interstate highway in a rural region of Wyoming, a car is traveling at a speed of 38.00…

A: Given, Speed of the car,  v = 38 m/s Speed limit = 75 mi/h We have,  1 meter = 1/1609.34 miles 1…

Q: 3. A Tesla can accelerate from 0-60 MPH in 2.8 seconds, yielding an average acceleration of 21.4…

A: 3) Initial velocity (u) = 0 mph Final velocity (v) = 60 mph time taken = 2.8 seconds acceleration =…

Q: height h Time Time Mean time t Mean t1 (s) t2 (s) t? (s?) h/t2 (m/s?)| h/t2 (m/s?) g (m/s²) (cm) (s)…

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: 40. An object moves the first half of the total distance with a speed of 2 m s1. If the average…

A: There are two types of physical quantities in general- scalar and vector. Scalar quantities are…

Q: A car goes 50mile north and 50 miles east and 40miles south. It takes half an hour to complete the…

A: Average speed is ratio of total distance to total time.  vavg=total distancetotal time Velocity is…

Q: (III) A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 m…

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Q: The following conversions occur frequently in physics and are very useful. (a) Use 1 mi = 5280 ft…

A: In Question no 2 ) we need to convert the units .  For conversion, we need to replace the given unit…

Q: 3. A driver, driving a car with speed of 6.8m/s², saw a tree falling on the road. He applied the…

A: Given the speed(u) with which the driver was driving the car, u = 6.8m/s   [assuming the typo error…

Q: 1.the speed of a nerve impulse in the human body is about 100 m/s. if you accidentally stub your toe…

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

Q: 52. A car starts from rest and accelerates to a speed of 60 mph in 12 sec. It travels 60 mph for 1…

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Q: The car on the motorway can travel 1860 metres in 60 seconds. Write down the formula for speed. a b…

A: Given, motorcar travels 1860 meters in 60 secondsso, distance covered is s=1860 m and time taken is…

Q: A driver drove from Ibri University to Salalah University campus for 9 hours at an average speed of…

A: Total time taken (t) = 9 hours Average speed for total trip (v) = 110 kmhr

Q: (II) Three students derive the following equations in which x refers to distance traveled, v the…

A: Which of the three equations could possibly be correct according to a dimensional check?

Q: 1. What is the speed of a bus that travels a distance of 400 km in 8.0 h? 2. A turtle moves a…

A: Given  For the bus the covered Distance ,D1 = 400 km  And Time ,T1 = 8.0 hr    For the turtle, the…

Q: What is 71 mph in terms of m/s? 1.000 mile = 1609 m. Your answer needs to have 2 significant…

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Q: 4.Athlete MeseretDefar runs at 10m/s. How long will it takes her to go 80m? A. 8sec B. 6sec C. 5sec…

A: Solution:

Q: 1.) A plane flies the distance between two cities in 2 hour and 45 minutes with a velocity of…

A: Velocity of plane 1 is v1 = 800 km/hr  Velocity of plane 1 is v2 = 950 km/hr  Distance between two…

Q: An object is moving in the positive x direction, slowing at a rate of 3.33 m/s2. After moving a…

A: Consider the kinematic equation below. v2=u2+2as…

Q: A car’s speed is 65 km/hour, What is this speed is the unit of “m/s”?   Question 2 options:    12…

A: Given: The speed of the car is 65 km/h.

Q: 1) Apply the necessary conversions to find: a) The speed in m/s equal to 72.0 mi/h b) The area in m²…

A: We will use following conversions -  1 mile = 1609.34 meter  1 hour = 3600 seconds  1 feet = 0.3048…

Q: 2 A stopwatch is used to time an athlete running 100 m. the watch to zero before using it to time…

A: Given, Both the athlete running for the 100 m

Q: Conversion of Units a) On an interstate highway in a rural region of Wyoming, a car is traveling at…

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Q: 1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the…

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Q: 1. A pilot in a small plane encounters shifting winds. He flies 26.0 kmkm northeast, then 45.0 kmkm…

A: Since you have asked multiple questions, we will solve first one for you. If you need answer to any…

Q: 1. A man drives his car down a straight road at 5.2 km at 40 kph at which point he ran out of gas.…

A: Average velocity can be found using the formula: Average velcoity=Net displacementTime

Q: One simple model for a person running the 100 mm dash is to assume the sprinter runs with constant…

A: Given data: Distance covered by person in sprinter run is, d=100 m. Highest speed of sprinter is,…

Q: 2. V A particle moves according to the equation ¤ = 10t², where is in meters and t is in seconds.…

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Q: The following conversions occur frequently in physics and are very useful. (a) Use 1 mi = 5280 ft…

A: Given data:  1 mi = 5280 ft 1 h = 3600 s 1 ft = 30.48 cm

Q: usenb wers the question. Place your answer in the blank 2 1. Which of the following is not a unit of…

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Q: (II) A car traveling 75km/h slows down at a constant 0.50 m/s2 just by “letting up on the gas.”…

A: Given data: Initial speed of car is, u=75 km/h=20.83 m/s. Acceleration is, a=0.50 m/s2.

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: height h (cm) Time t; (s) Time t2 (s) Mean time t (s) t? (s²) h/t? (m/s²) g (m/s?) 45 0.3021 0.3029…

A: Given, mean time will be = ( t1 + t2)/2  We know , h =1/2(g*t^2) 'g' will be = 2 *(h/t^2)  Average…

Q: (a) The value of vx is still positive and decreases marginally over time. (b) The value of vx is…

A: The velocity is resolved into two components. The vx is the horizontal component of the velocity.

Q: 1. A car is traveling at 20 m/s when the driver sees a child standing in the road. He takes 0.80 s…

A: Initial velocity, u = 20 m/s Acceleration, a = -7 m/s2 time taken to react= 0.80 s

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 –