A meteor crashes into the atmosphere at 50 km/s (Think about that, that’s really fast!)  Let’s say it crashes to earth in 60s. State its acceleration in km/s/s and m/s/s.

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Q: Usain Bolt of Jamaica set a world record in 2009 for the 200-meter dash with a time of 19.19…

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Q: A car drives for 2.39 hours at a speed of 61.2 miles per hour. What is the distance traveled in…

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Q: A car speeds up from rest to 20km/hr in 5 seconds. It's acceleration was

A: Given data The initial speed is u=0 m/s The final speed is v=20 km/hr =5.556 m/s The time is t=5 s…

Q: A ball drops from rest picks up speed at 10m/s per second . After it falls for 4seconds how fast is…

A: Given: increase in speed per second= 10 m/s therefore acceleration= change in speedtime taken= 10…

Q: Convert a velocity of 60 miles per hour to units of feet per second.

A: Given data: Velocity (v) = 60 mi/hr Required: The velocity in ft/s

Q: The average speed of horse that gallops  a distance of 10KM in a time of 30 minuntes is?

A: The average speed is the ratio of the total distance travelled to the time taken for motion. It is…

Q: A curious child stands on the top of a 607 m skyscraper and drops a coin from the top of the…

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Q: Two stones were dropped at a cliff that is 75m high. The second stone was dropped 1.4s after the…

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Q: The driver of a car moving at 20 meters per second notices the light has changed to red, when the…

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Q: A spaceship travels at a speed of 62 ft/ms convert its speed to km/s ( by mean milisecond)

A: Given data:  Speed of the spaceship (v) = 62 ft/ms Required: Speed in km/s

Q: . A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the cceleration?

A: Given  Initial speed u=0m/s Final speed v=200m/s time t=5s

Q: What is a Remark on Significant Digits explain breifly?

A: Sometimes in science or any other field, one is only interested to know the significant digits of…

Q: In a track meet a sprinter runs 400 meters in 100 seconds what was the sprinters average speed

A: Requried : In a track meet a sprinter runs 400 meters in 100 seconds what was the sprinters average…

Q: A meteor crashes into the atmosphere at 50 km/s (Think about that, that’s really fast!)  Let’s say…

A: ACCELERATION (a) : It is defined as rate of change of velocity. Given: Speed (v) = 50 km/s Time (t)…

Q: A ball is thrown straight down a builing at a velocity of 2.2m/s. It hits the ground after 1 second.…

A: Data provided :  Initial velocity (Vi) = 2.2 m/s, downward  Hits the ground after time (t) = 1…

Q: Suppose you drive from Here to There at a speed of 30 miles/hour and then drive back from There to…

A: By definition, average speed = total distance traveledtotal time taken. So, if the body moves a…

Q: Bob covered 85 miles in 35 minutes; his average speed, in miles per minute, was

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Q: You drop a ball from rest, at 15.4 seconds how fast is it traveling in m/s? (round your answer to…

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Q: An object is moving at a speed of 850 miles per hour. Express this speed in meters per minute. Round…

A: This problem is based on unit conversion. The given speed of the object is given in the unit of…

Q: You shoot a cannonball off the side of a cliff. The cannonball leaves the cannon at 30 m/s , and it…

A: Given Velocity of the cannonball is u = 30 m/s and the horizontal distance covered by the cannonball…

Q: If your car accelerates from rest to 30.0 m/s in 8.0 seconds, what is its acceleration? Using that…

A: a=v-u∆t=30.0 m/s-0 m/s8.0 s=3.75 m/s2

Q: Amereruns 1/10 miles in 2/3 mins.What is his speed in miles per minute.

A: Given data:  Distance (d) = 1/10 miles Time (t) = 2/3 minutes Required: Speed in miles per minute

Q: The speed of light is about 3.00 × 108 m/s. Convert this figure to miles per hour.

A: Conversion of hour to seconds is,

Q: A stone is thrown upward from the top of a tower 50 meters high. Its velocity in an upward direction…

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Q: Ignoring air resistance, how long will it take a rock that falls off a 50 meter cliff to hit the…

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Q: A comet is traveling in outer space with a velocity of 2000 m/s. How long will it take to travel…

A: Given :  velocity of comet , v = 2000 m/s Distance to travel  , d =300,000 m

Q: I bought a car which has an acceleration of 0.5 m/s²for the first 60 seconds, maintains velocity for…

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Q: A car is moving at a speed of 6 meters/Second In 5 Seconds, he increases its speed to 16…

A: We know thatv=u+atWherev=final velocityu=initial velocitya=accelerationt=time taken

Q: If distance travelled by a train is 495 km in 4 hours 30 minutes, what is its speed?

A: Given  Distance travelled by train (d) = 495 km Time taken (t) = 4 hours 30 minutes…

Q: A passenger jet flies at a constant speed from one airport to another 1,500 miles away in 3.5 hours.…

A: The expression for speed of the jet flies from one airport to another is,

Q: Convert 10 miles per second to miles per hour

A: Given data: 10 miles per second Required: The value of 10 mi/s in miles per hour

Q: If you shoot a 10 kg cannonball straight it reaches a height of 600 meters, what was the velocity of…

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Q: If you are travelling down the road at 10.0 m/s and hit the brakes to a stop in 3.0 meters, how far…

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Q: Oliver traveled 100 km at a certain speed. In going back, he increased his speed by 10 km/hr. If it…

A: Let the original speed of Oliver be u. So, the velocity of Oliver in going back will be:

Q: Tisn. ast the speeds of the formerly hungry

A: Let the mass of small fish =1kg Mass of hungry fish = 5kg (A) 5kg×4m/s + 1kg×0 = (5kg +1kg)v 20kgm/s…

Q: A car drives for 3.9 hours at a speed of 60.9 miles per hour. What is the distance traveled in…

A: Given Data: The time taken by a car is, t=3.9 hours The speed of a car is, v=60.9 miles/hour   The…

Q: A plane is flying at a velocity of 12m/s, if this accelerates and it reaches a velocity of 20m/s,…

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Q: Two vehicles Pictured below are 3.5 miles apart. take them to meet How long will it Dother? give 15…

A: Given data:  Distance between two vehicles (d) = 3.5 miles Velocity of vehicles 1 (V1) = 15 mph…

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: where does the 0.75 come from isint it supposed to be 0.5?

A: Solution: Given: Note: Here, r1 is the distance between q1 and Z and its value is 50 cm + 25 cm = 75…

Q: A stone takes 0.33s to travel past a window 2.2m tall. From what height above stone fall? top of the…

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Q: the distance between an object falls from rest varies directly as the square of time. if an object…

A: The relationship between displacement and time is  S = kt²  where S represents displacement, t is…

Q: You are driving at 46 mph.  Another car passes you at 71 mph going in the same direction.  What's…

A: Relative velocity is the velocity of the body with respect to another regarded as being at rest.…

Q: A car in a movie moving at 20 m/s flies off a cliff that is 74.3 m tall. How far does the car travel…

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Q: If a car is intially traveling at 27 m/s and decelerates at a rate of 4.5 m/s2 how fast would it be…

A: Initial speed of the car,  Acceleration of the car,  Time interval,    Applying the first equation…