suppose a free fall ride at an amusement park starts at rest and is in free fall. If it takes 4.8s before it hits the ground, and what is the final velocity of the ride? How high is the ride?

Q: A heavy rock is dropped from rest at the top of a cliff and falls 100 m before hitting the ground.…

A: Using kinematics, the time taken can be obtained as

Q: You are driving your new sports car at a velocity of 90 km/h, when you suddenly see a dog step into…

A: Distance travelled before stopping v2=u2+2ass=v2-u22a

Q: A car traveling with an initial velocity of 14 m/s accelerates at a constant rate of 2.5 m/s? for a…

A: Given Data:- Initial velocity of the car is vi=14 m/s Acceleration of the car is a=2.5 m/s2 Time…

Q: If Sam steps off the diving board, how long does the fall take? How fast is Sam going when he hits…

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Q: A jogger going 5m/s is passed by a runner going 8m/s. After three seconds the jogger decides to go…

A: Given , velocity of jogger = 5m/s velocity of runner = 8m/s Let A is the point where runner passed…

Q: Mr. M turns while riding his bike. His initial velocity was 6.4m/s [E30.0S]. His final velocity was…

A: Given,initial velocity (u)=6.4m/sfinal velocity (v)=8.5m/stime taken to complete turn (t)=3.8slet…

Q: A construction site lift is rising with a velocity of 2.5 m/s when a bag of cement is released. If…

A: Given data, Taking this as a reference sytem, velocity of lift, v1 = 2.5m/s  height at the time of…

Q: A student is running at her top speed of 5 to catch a bus, which is stopped at the bus stop. When…

A: The

Q: Harry's private airplane cannot fly until it reaches a speed of 30 m/s if it takes 10 a to…

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Q: A ball is dropped from a roof to the ground 8.0 m below. A rock is thrown down from the roof 0.600 s…

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Q: Suppose the crate starts from rest and accelerates at 0.21 m/s/s to the right for 2.4 s. What is the…

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Q: A pedicab that starts from rest reaches the goal at a velocity of 40 km/h. What is its acceleration…

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Q: A car is moving on a straight road acceleration at 20 m/s? . What will be it's velocity 8 m/s. It is…

A: Equation of motion V= u + at a = acceleration u = initial speed t= time V= speed after 't' time

Q: A model rocket is launched and accelerates upward at 20m/ s2 for 3 seconds before the jet shuts off.…

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Q: As you drive in your car at 15 m/s (just a bit under 35 mph), you see a child’s ball roll into the…

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Q: A car accelerates from rest with a constant acceleration a. After driving 57.1 m, it has velocity…

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Q: 1. Mario throws a stone vertically upward with a speed of 25m/s from the top of a tower 75 m high.…

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Q: A toy car is given an initial velocity of 5.0m/s and experiences a constant acceleration of 2.0m/s².…

A: Given,Intitial speed of the toy car, u = 5.0 m/sconstant acceleration, a = 2.0 m/s2final speed…

Q: A student drops a rock from 5.0 m high. How long does it take to reach the ground? What is the…

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Q: A tricycle starting from rest is accelerated 10 m/s2. How far will it travel after 10 seconds?

A: The kinematic equation to find the distance is s=ut+12at2 The tricycle starts from rest, so initial…

Q: A student is running at her top speed of5.0 m/s to catch a bus, which is stopped at the bus stop.…

A: Given: The speed of the student is 5.0 m/s. The distance for the student and bus is 40.0 m. The…

Q: As baseball is being thrown, it goes from 0 to 40 m/s in 0.15 s. a) What is the acceleration of the…

A: Given : vi = 0 m/s vf = 40 m/s t = 0.15 s

Q: A boy in a wagon starts from a rest position and then goes down a straight ramp, gaining speed with…

A: The equations of motion are  v = u + a t s = u t + 0.5 at2v2 = u2 + 2 a s  where, u is the initial…

Q: A train is accelerating at a rate of 2 m/s2. If its initial velocity is 20 m/s. what is its velocity…

A: Initial velocity, u = 20 m/s Acceleration, a = 2 m/s2 Time, t = 30 s   Applying the first equation…

Q: At time t = 0 seconds, a ball is thrown upwards off a cliff with some initial velocity. It reaches…

A: From the question, it is given that- Time required by the ball to achieve maximum height: t = 2s Let…

Q: A locomotive is accelerating at 1.6 m/s2. It passes through a 20.0-m-wide crossing in a time of 2.4…

A: Using equation of motion, v=u+at Using the expression for average speed, vavg=dtv+u2=dtv+u=2dt

Q: Lions, like most predators, are capable of very rapid starts. From rest, a lion can sustain an…

A: the expression to determine the time will be,

Q: A car accelerates at a rate of 7 m/s2 for 6 seconds. What is its final velocity after 6 seconds?…

A: Acceleration, a = 7 m/s² Time taken, t = 6 s Final velocity after 6 sec, vf = ?  The distance…

Q: A runner traveling with an initial velocity of 0.12 m/s accelerates at a constant rate of 0.70 m/s²…

A: The acceleration of an object is calculated by using the formula a=vf-vi∆t , where vf is the final…

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

A: Given data The acceleration of the race car a=12 m/s2 The initial velocity is u=0 m/s The final…

Q: bus accelerates with an initial velocity of 10 m/s for 5s then 20m/s for 4s finally for 15 m/s for…

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Q: A model rocket is launched and accelerates upward at 20m/ s2 for 3 seconds before the jet shuts off.…

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Q: Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled…

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Q: A uniformly accelerated car takes 10.0 s to cover 500m and another 6.0 s to cover the next 500 m.…

A: Given: time, t1 = 10.0s distance, s1 = 500m time, t2 = 6.0s distance, s2 = 500m To Find:…

Q: suzie is standing at the top of a cliff.  she says if she drops a heavy rock off the cliff it is 110…

A: Given , the cliff height (h) = 110m             acceleration due to gravity (g)=9.81m/s2…

Q: A model rocket is launched and accelerates upward at 20m/ s2 for 3 seconds before the jet shuts off.…

A:

Q: The acceleration of a free fall is about 10m/s2 . Why does the seconds until appear twice?

A: We know, Velocity is rate of change of Displacement.and Acceleration is rate of change of Velocity.

Q: A new rocket car can accelerate at 14 m/s2. How far will you have traveled after the 22 seconds?

A: acceleration (a) = 14 ms2Time (t) = 22 seconds Initial speed (u) = 0 ms

Q: A ball is dropped. Assuming free fall, what is its initial speed?  m/s What is its initial…

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Q: A bus starts from rest and accelerates at 1.5 m/s2 until it reaches a velocity of 9 m/s. The bus…

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Q: A rock is dropped from a 91.0 m tall sky scraper. What is the change in its velocity from the time…

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Q: When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1.0 m/sm/s over a…

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Q: A stone that is initially at rest is dropped from the top of a building. It falls for 5 s before…

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Q: A hockey puck is sliding with an initial speed of 12 m/s and is decelerating at a rate of 0.50 m/s2.…

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Q: A ball is traveling at a speed of 14 m/s when it starts rolling up a 20° incline. How long does it…

A: Given data The velocity of the ball is u = 14 m/s. The inclination of the ramp is θ=20°. The…

Q: A rocket rises straight up from rest with an acceleration of 1.50 m/s2 at which point its engine…

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Q: A football player has an initial speed of 8 m/s and is stopped by a defensive lineman in a time…

A: Given data: Initial speed of football player is, u=8 m/s. Time interval is, t=2.0 s.

Q: A drag racer starting from rest accelerates in a straight line at a constant rate of 5.5 m/s? for…

A: We know that the first equation of motion is given as   v = u + at  here v is the final velocity  u…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.