What is the acceleration of a car that starts from rest and travels 20 meters in 9 seconds?

Q: What is the difference between acceleration, velocity, and speed?

A: Acceleration: It is the rate of change of velocity of an object with time. It is a vector quantity.…

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 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: What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: What is the speed of a car that travels 200 meters in 25 seconds

A: (given) Distance (s) = 200 m       Time (t) = 25 s Speed of a car is                     = (Distance…

Q: There were 2 boys standing on top of a bridge. The 1st boy drops a 1.5kg rock while the 2nd boy…

A: h=ut+0.5gt2

Q: A driver of a car hits its brakes and begins to decelerate. If the velocity changes from 60 m/s to…

A: Initial velocity u=60 msFinal velocity v=20 mstime t=6 secs

Q: What is the acceleration at the top of a jump?

A: The acceleration due to gravity is constant throughout the surface of earth.

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 acceleration? Acceleration is a change in over time.

A:

Q: What force is needed to accelerate a 1900 kg car at one-third of g?

A: given :- mass of car m=1900 kg  acceleration due to gravity=g= 9.8 m/s2  acceleration of car a=…

Q: If a car increases in velocity from +5 m/s to +15 m/s in three seconds, what is its acceleration?

A: Given value--- initial velocity = 5 m/sec. final velocity = 15 m/sec. time t = 3 second. We have…

Q: What distance will a truck travel in 3 hours at an average speed of 59 miles per hour?

A:

Q: A runner went from 6 m/s to 2 m/s in 2 seconds, what was his acceleration?

A: By equation of motion:- V = U + at Here, V = final velocity U = initial velocity a = acceleration t…

Q: What is the acceleration of a car that is going 100 m/s and stops in 5 seconds?

A: Given data:  Initial velocity (Vi) = 100 m/s Final velocity (Vf) = 0 m/s, stop Time (t) = 5 s…

Q: What is the acceleration of a person who goes from 4.3 m/s to rest in 2 seconds?

A: given: initial velocity u = 4.3 m/s final velocity v =0 m/s time = 2 sec

Q: If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the…

A: Write the given values with the suitable variables. u=15 m/st=1.2 sa=-10 m/s2 Here, u is the initial…

Q: A car from rest takes 5 seconds to travel a distance of 30 feet. How long will it take for the car…

A:

Q: What is the deceleration of a race car if it comes to rest in 3.6 seconds from a speed of 99 km/hr?

A: The expression used to calculate deceleration of a race car is a=v-ut

Q: Oscar can run 11 miles in 90 minutes,while candy can run 6 miles in 50 minutes.Who is the faster…

A:

Q: Show that the average speed of a rabbit that runs a distance of 30 m in a time of 2 s is 15 m/s.

A: The expression for the average speed is,

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: A sprinter starts from the rest and finishes a race going 3.3 m/s. If the race took 8 seconds, what…

A: From kinematics, the expression of the final velocity is:

Q: What is the acceleration on a 45.7kg object that is maintaining a constant speed of 1.2m/s?

A:

Q: If a skydiver jumps from a plane and free falls, what is their velocity after 20 seconds?

A:

Q: What is the relationship between the speed a car is traveling and its braking distance?

A:

Q: A cheetah can accelerate from rest to a speed of 26.0 m/s in 4.25 s. What is its acceleration?

A: Given:Initial velocity of cheetah, u = 0 m/sFinal velocity of cheetah, v = 26.0 m/sTime taken, t =…

Q: A sports car goes from 0 to 100 mph in 7.9 seconds. What is the cars acceleration

A: Given Data: The initial velocity of a car is, vi=0 mph The final velocity of a car is, vf=100 mph…

Q: Calculate the acceleration of a car that starts at 20 miles per hour and speeds up to 55 miles per…

A: Solution: Given that vi = 20 mph  vf = 55 mph t = 7 s = 7/3600 h

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: What is the acceleration of a box of mass 2kg that is pushed with a force of 10N?

A: Relation between force and acceleration is given by:- Force = mass × acceleration .Given:- Force =…

Q: A car, initially traveling at 8 miles per hour, comes to rest in 7.5 s. What was its acceleration in…

A: Given: The initial speed of the car is 8 mi/h. The final speed of the car is 0 mi/h. The time…

Q: What is the effect of air resistance on the acceleration of falling objects? What is the…

A: A freely falling object is any object moving either upward or downward under the influence of…

Q: What is the acceleration of a car that goes from 10 m/s to 50 m/s in 8.3 seconds?

A: Given data: Initial velocity (v0) = 10 m/s Final velocity (v) = 50 m/s Time (t) = 8.3 s Required:…

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

A:

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…

A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J

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 a car goes from 0 to 75 mph in 5 seconds with constant acceleration, what is that acceleration?

A:

Q: What is the acceleration of a car that moves from a speed of 2.5 m/s to a speed of 25 m/s during a…

A: Acceleration of the body is the change in velocity over the change in time. a = ∆v/∆t  where, a =…

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…

A:

Q: A car, initially traveling at 16.7 miles per hour, comes to rest in 3.3 s. What was its acceleration…

A: Given data:  Initial velocity (u) = 16.7 mi/h Time (t) = 3.3 s Final velocity (v) = 0 m/s Required:…

Q: If a cheetah can reach his top speed of 93 km/h in just 3 seconds from rest, what is its…

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: What is the acceleration of a basketball starting at 30 m/s and then being CAUGHT after 2 seconds?

A: Given: u = 30 m/s, v = 0 m/s, t = 2 s

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

A:

Q: The velocity of a 40 kg object increases from 20 m/s to 30 m/s in 2 seconds. What is the…

A: The mass of the object, m= 40 kg   The initial velocity of the object, vi=20 m/s   The final…

Q: what constant acceleration will bring an automobile traveling 60 miles per hour to rest in 160 feet?

A:

Q: If a baseball is dropped from a skyscraper, what will its speed (velocity) be after 4.5 seconds…

A: let baseball is dropped with zero initial velocity u=0 since there is no air resistance a=g=9.8 m/s2…

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

A: