An object started an initial velocity of 3m/s moves in road under a constant acceleration. Four seconds later, its velocity is 10 m/s. (a) How far did the object travel during this time? (b) What was the acceleration of the object?

Q: A train travels a distance of 300 m at a constant acceleration. If it starts from rest, what is its…

A: Given: The distance covered is 300 m. The time duration is 20 s.

Q: If Cathy and Myra take 2.0 h to walk from their house to their school at a rate of 1.0m/s, how far…

A: Time taken by Myra and Cathy to reach school; t = 2.0 h = 2 x 60 x 60 s = 7200 s Speed of Myra and…

Q: A car brakes from a speed of 20 m/s and comes to a stop. If the deceleration is −3.2 m/s2, how far…

A: Using equations of motion, Considering that the final velocity of the car is zero,

Q: A man jogs halfway to his destination at 8 km/h and walks the rest of the way at 6 km/h. What is his…

A: let's say that destination is 2x km away. therefore total distance to be covered is 2x Average Speed…

Q: How far will a runner travel running at 12 m/s for 1 minute (60 seconds)?

A: Given: Speed = 12 m/s and Time = 1 minute = 60 seconds

Q: Object A travels 5 meters and object B travels 10 meters. Which had a faster velocity?

A:

Q: Consider these measurements: 10 m, 10 m/s, and 10 m/s. Which is a measure of distance, which of…

A:

Q: A car that starts from rest must reach a speed of 21 in a distance of 386 m. What average…

A: Given:- The car start from rest and reach the speed of 21 m/s2 The distance traveled by the car is s…

Q: the total distance traveled

A:

Q: A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.4 s later. If…

A: Total time given is sum of time taken by the rock to fall on the ocean and time taken by the sound…

Q: If Joe rides south on his bicycle line for 27 min with an average speed of 11.2 km/h, how far has he…

A: The speed of Joe  v=11.2 km/h The time for which Joe rides is   t=27 min=2760ht=0.45  h The distance…

Q: During a takeoff, an airplane goes from 0 to 34 m/s in 9 s.   How fast is it going after 6 s?   How…

A: From kinematics, the expression of velocity in terms of time is:

Q: The average speed of a deer traveling a distance of 2 km in a time of one-half hour is

A: Average speed is,

Q: A cheetah can run at approximately 78km/h and a gazelle is slower by 7 km/h. If both animals are…

A: Given data:  Speed of cheetah = 78 km/h Speed of gazelle = slower by 7 km/h Distance between both…

Q: A golf ball is thrown downward at a speed of 10 m/s. If its velocity just before it hits the ground…

A:

Q: What is the acceleration of a car that from rest in 2 minutes acquires a velocity of 99 miles/hr?.…

A:

Q: What is the acceleration of a car that increases its velocity from 0 to 100km/h in 10s?

A: Given:Initial velocity of the car = 0 km/hFinal velocity of the car = 100 km/hTime taken = 10 s

Q: An object was dropped from the rooftop of a building and hit the ground 7 seconds. How high is the…

A: Given:Initial speed u = 0 m/s( free fall)Time t = 7 seca=g= 9.8m/ s2Height h = ?

Q: If you drive at a constant velocity of 30 m/s for 1.5 hrs, what will be your displacement in meters?

A: Write the given values with the suitable variables. v=30 m/st=1.5 hrs=90×60 s=5400 s Here, v and t…

Q: From a speed of 46 kph, a train decelerates at the rate of 2m/min2, along the path. How far in…

A: hereu=46 kmpa=-2 mmin2

Q: ded If a car's average speed in a journey of 210 miles increases by 5 miles per hour, the trip will…

A:

Q: From a speed of 60 kph, a train decelerates at the rate of 2 m/min along the path. How far in meters…

A: Given: The initial speed of train is u=60 kph. The train decelerates at the rate of a=2 m/min2. The…

Q: A rock is dropped from a sea cliff, and the sound of it striking ocean is heard 3.4s later. If the…

A: Let t1 be the time taken by the rock to reach the ocean and t2 be the time taken by the sound to…

Q: A construction zone has a speed limit of 20 km/h for 500 m how long would it take to travel this…

A: Given data: Speed (v) = 20 km/h Distance (d) = 500 m Required: Time (t)

Q: A boat is rowed at a speed of 5 km/hour. How much time will it take to row a distance of 40 km?

A: we know that speed =distancetime

Q: It took a certain vehicle 3 hours to travel a distance of 120 km. On its way back, it took him only…

A: Distance for one way trip, d = 120 km Time taken for first trip, t1 = 3 hours Time taken for return…

Q: A student driving a car travels 9 km in O.4 Hour. What was her average speed?

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Q: An object moved in one dimension with velocity 5 m/s for 60 s, then with 10 m/s for 90 s, and…

A:

Q: The United States has high speed trains running between Boston and New York capable of speeds up to…

A: United States’ s high speed train’s speed  vus = 160mi/h  United Kingdom’s high speed train’s speed…

Q: In a swimming race, Briana swam 50 meters in 40 seconds.  What is her average speed?

A: The given data are: d=50 mt=40 s Here, d denotes the distance and t denotes the time.

Q: If a car increases its velocity from zero to 50 m/s in 10 seconds, its acceleration is

A:

Q: The average speed of a car is 35 km h-. How far can it travel.in 45 minutes?

A: Given average speed V =35kmh And time t= 45 minutes We have to find the distance travelled by the…

Q: if a car starts from rest and reaches a speed of 20 m/s in 5s, what distance was covered?

A: To find out the distance , we will use equation of motion :  s= ut + 1/2 at^2  where , s= distance…

Q: will an object move in one second if its average speed is 5 m/

A: average speed v= 5 m/s t= 1 s

Q: If a person drives his car in the speed 50 miles per hour, how far can he cover in 2.5 hours ?

A:

Q: A person riding their bicycle accelerates to a speed of 19.0 m/s over a distance of 298 meters. If…

A: Let the initial velocity of the person be u = 0, the final velocity of the person be v, the distance…

Q: If a truck travels at a speed of 100 km/h for 5 h, how far does it travel?

A: Given:speed, v = 100 km/htime, t = 5 hrs

Q: How much time does it take a train to increases its speed from 6.0 m/s to 36 m/s over a distance of…

A: Solution: Given that initial velocity u = 6 m/s final velocity v = 36 m/s distance s = 120 m

Q: If a car travaling 27 m/s comes to a stop in 12 meters, what is the acceleration of the car?

A: The given data: Initial velocity of the car, u=27 ms Final velocity of the car, v=0 ms Initial…

Q: The SI unit for acceleration is

A: SI unit of acceleration is Meter per second square (m/s^2)

Q: The zombie then flies backward with an initial velocity of 30 m/s and slides to a stop on the…

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Q: A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is…

A: We know that the formula of the velocity in terms of distance and time  is given as  velcoity =…

Q: A ball is dropped from a bridge and strikes the water in 2.4 seconds. How fast is it moving when it…

A:

Q: If a car travels at an average speed of 105 km/hr for a time of 45.0 min, calculate the distance…

A: Given data:  Average speed of car (vavg) = 105 km/hr Time (t) = 45.0 min Required: The distance…

Q: According to its computer, a robot that left its closet and traveled 1200 m, had an average speed of…

A: Answer Given data  Distance travelled d = 1200 m Average speed s = 20 m/s We have to find time taken…

Q: How long will it take a car to accelerate from 20.5 m/s to 45.4 m/s if the car has an average…

A: