Ignoring air resistance, how long will it take a rock that falls off a 50 meter cliff to hit the ground? How fast will the rockhit the ground in meters per second?

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: You are on a planet and drop an object from a height of 2 meters and it takes 3 seconds to hit the…

A: The equation of motion is given by,

Q: The speed of an object is 4 m/s.  How far, would it travel in 2 hours?

A: The expression for find distance is d=vt

Q: A plane travels 395,000 meters in 9000 seconds. What was its speed?

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Q: Surprsingly, very few athletes can jump more than 2 feet (0.6m) straight up. Use d=1/2gt squared and…

A: The time the athlete spends moving upwards is,

Q: Electrons in the picture tube of an old-style television travel at 1.25 × 108 m/s. At this speed,…

A: Speed of electron "v"= 1.25× 10^⁸ m/s . Distance travel "d"= 11.5 Inches = 0.2921m

Q: Henrietta is riding the Giant Drop at Great America. If Henrietta free-falls for 2.9 seconds, what…

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Q: what was the average speed in meters per second of a race car that travels once every 8 seconds…

A: Radius of the circular track is r = 70 mt Time taken by the car is T = 8 s

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 rock is thrown upward with a velocity of 1212 meters per second from the top of a 2424 meter high…

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Q: If you're driving along the highway on a motorcycle at 27 meters per second (60 miles per hour) and…

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Q: A toy remote controlled car has an acceleration of 0.018 m/s^2 and a top speed of 1.7 m/s. If it…

A: Given data The acceleration of the car is given as a = 0.018 m2. The top speed of the car is v =…

Q: In 3.0 seconds, the braking of an automobile reduces its speed from 74 miles per hour to 30 miles…

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Q: A 1.2 ton car moving at 30 kilometers per hour bumps the rear of a 1.8 ton car moving in the same…

A: Given data: The mass of the first car, m1=1.2 ton. The mass of the second car, m2=1.8 ton. The…

Q: On the moon, the acceleration of a free-falling object is -1.6 meters per second per second. A stone…

A: Acceleration = -1.6 m/s² Time= 40 seconds

Q: What was the average speed in meters per second of a race car that travels once every 8 seconds…

A: Here, we have Radius of circular track, r = 20 m time taken by car to complete the track , t = 8 s…

Q: what was the average speed in meters per second of a race car that travels once every 8 seconds…

A: The average speed of the car is, vavg=2πrT Here, r is the radius of the track and T is the time…

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: A car drives for 1.97 hours at a speed of 58.5 mph. What is the distance traveled in meters?

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Q: A cyclist rides at an average speed of 23 miles per hour. If she wants to bike 180 kmkm, how long…

A: Given that ,                average speed=23 miles per hours .  Now , changes miles per hours to…

Q: If one sprinter runs 400 meters in 58 seconds and another can run the same distance in 60 seconds .…

A: Given data:  Distance of race (d) = 400 m Time taken by faster person (t1) = 58 s Time taken by…

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: A person travels at a speed of 60 miles per hour. How far will he travel in 4.5 hours ?

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Q: A car travles 55 miles per hour for 2 hours how far does the car travel in 1/2 hour

A: Given data:  Speed (v) = 55 miles/hour Time (t) = 1/2 hour Required: The distance traveled by the…

Q: A rock is thrown upward with a velocity of 15meters per second from the top of a 33 meter high…

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Q: A passenger jet flies at a constant speed from one airport to another 2,350 miles away in 3.8 hours.…

A: Given,

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

A:

Q: An object is launched on the moon at 16 feet per second (f / s) from a 1152-foot tall tower. The…

A: The object's height is given by the equation st=-16t2+16t+1152   The object will strike the moon's…

Q: What is speed and how is it determined?

A: What is speed and how is it determined?

Q: If a rock falls from a height of 33 meters on Earth, the height H (in meters) after x seconds is…

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Q: A certain tree is observed to grow 20cm per year. What will be the tree's height in meters after…

A: Rate of growth of tree = 20cm per year = 0.2m per year Height after time t years = Rate of…

Q: The Grand Canyon is 6,093 feet (1857 meters) deep. (Ignore air resistance) If you dropped a rock,…

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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: What is the acceleration, in meters per second squared, of a vehicle that accelerates from 4.7 to…

A: Given in question -    initial velocity(u) = 4.7 m/s                                       final…

Q: shoe was dropped from a building and passes the third floor in 0.25 seconds. If each floor of the…

A: g= 10 m/s2 let the shoe's initial velocity when it is before the third floor be v t= 0.25 s height…

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: Calculate the time it would take a bus to travel 20,000 cm at an average speed of 3.5 m/s.

A: The expression for find time is s=dtt=ds

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

A:

Q: A jet airliner flies at a constant speed of 401 miles in 1.8 hours. What is the speed of the plane…

A: Given: distance d=401 miles time t=1.8 hrs To find: speed v=?

Q: What was the average speed in meters per second of a race car that travels once every 8 seconds…

A: Write the given values with the suitable variables. t=8 sr=80 m Here, t is the time and r is the…

Q: A car travles 55 miles per hour for 2 hours how far can the car travel in 1 and 1/2 hours

A: According to question--- Given data-- Speed of Car v= 55 miles per hour.  We have to find- how…

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: hat is the conversion of 6 times per minute to seconds?

A: Given that                The radius of the wheel is (R) = 9.2m   Since wheel spin at 6 times per…

Q: A stone is dropped from a height of 900 meters, how long does it take to reach the ground

A: Given: The height of the stone from the ground is 900 m. The initial velocity of the object is0 m/s.

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: rock is thrown upward with a velocity of 12 meters per second from the top of a 24 meter high cliff,…

A:

Q: An object is launched on the moon at 16 feet per second (f/s) from a 1152-foot tall tower. The…

A: The height of the object /displacement of the object s(t)=-16t2+16t+1152 The velocity at any time t…

Q: An airplane is taking off at an angle of 9° and travelling at a speed of 200 feet per second in…

A: