If a boy dropped a rock off a high cliff, how fast would it be falling after 2.0 second had elapsed? (Ignore air resistance) Select one: O a. 2.0x102m/s b. - 35 m/s O C. - 2.0x10' m/s O d. - 2.0x10² m/s

Q: The 1992 world speed record for a bicycle (human-powered vehicule) was set by Chris Huber. His time…

A: Time taken by Chris Huber in 1992 to cover 200 m stretch = 6.509 seconds Using formula, Speed×time =…

Q: A car moves with a speed of 25 m/s. What distance will it travel in a time of 1 hour:

A: distance = speed x time

Q: A car drives straight off the edge of a cliff that is 67.4 m high.  The police at the scene of the…

A: Time taken by car to reach at ground is as follows; t=2hg…

Q: You are driving at 25m/s. In order to pass a slow car, you increase your speed to 30m/s. It takes 5…

A: Given: Initial speed of car vi = 25 m/s final speed vf = 30 m/s time taken to reach final speed t =…

Q: A ball is thrown upwards with an initial velocity of 4.26 m/s. What is the highest point the ball…

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Q: A bike accelerates at a rate of 2.0 m/s2, from rest, over a distance of 148 m. What is the speed of…

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Q: A car traveling at 60.0 km/hr is 26.0 m from a barrier when the driver slams on the brakes. The car…

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Q: A car traveling at 20 m/s decelerates at the rate of 4m/s^2. After 5 seconds the speed of the car…

A:

Q: Sam crossed the finish line of a 100m race with a speed of 10.44m/s. If it took him an additional…

A: The total distance of the race, d0 = 100 m Sam's speed at the finish line, v0 = 10.44 m/s The time…

Q: A 4 kg ball is thrown straight into the air at 11 m/s . How high does it travel g = 9.8 m/s…

A: Mass of ball ,M = 4kg   Speed of ball, V = 11m/s  in +y dir g = 9.8 m/s²   in -y dir  Thus from…

Q: The cat runs a constant speed of 9.7 m/s. If the cat runs a total of time of 7.1 mins. How much…

A:

Q: A car is traveling at an initial speed of 20 m/s and slows to rest with an acceleration of -5.0…

A: initial speed of the car(u) = 20 msFinal speed of the car (v) = 0 msAcceleration (a) = - 5 ms2

Q: Nerve impulses in the human body travel at a speed of about 100 ms-1. A 1.6m tall man accidentally…

A: Given data The speed of the nerve is given as v = 100 m/s. The height of the man is given as h =…

Q: A roller coaster reaches a height of 35.0 m above the ground on its first hill. If a car starts from…

A: Given information: The height of the first hill (H) = 35 m The height of the bottom of the track (h)…

Q: A car is traveling at an initial speed of 20 m/s and slows to rest with an acceleration of -5.0 m/s.…

A: The initial speed of the car,(u)=20 m/sec -----(1) [Given] Acceleration of the car,(a)=(-)5 m/sec2…

Q: Initially stationary, a train has a constant acceleration of 2.4 m/s ^ 2 What is its speed after…

A: Initial velocity u=0Acceleration  a=2.4m/s2Final speed v=?t=11.8 secv=u+at

Q: What is the average acceleration of the car during this 4.0-second interval

A: Acceleration is rate of change of velocity. Of the velocity of car changes from v1 to v2 in time t,…

Q: 55 Kg lead ball is dropped Jram the learning tower of pisa. The tower (a) How Jar does Hhe ball Jall…

A:

Q: A stone is thrown straight up from the edge of a roof, 950 feet above the ground, at a speed of 10…

A:

Q: A small rock is thrown vertically upward with a speed of 23.0 m/s from the edge of the roof of a…

A: Write the kinematic relation for final velocity

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: In 6.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 30 miles…

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Q: A car starting from rest is accelerated for 1 m/s2 for (5+5) seconds. It continues at constant…

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Q: A car initially traveling at 14.8 miles per hour comes to rest in 4.9 s. What was its acceleration…

A: Initial velocity of car (u) = 14.8 miles per hour Final velocity (v) = 0 mstime taken (t) = 4.9…

Q: A car starting from rest accelerates at 0.1 m/s, How fast is the car traveling in km/h after 30 s?…

A:

Q: A girl on a bridge throws a rock straight down at -12.5 m/s. It hits the ground 38.4 m below. How…

A: Given  V = -12.5 m/sec  Height of ground ,H = 38.4 m  Acceleration = a =-g = -9.8 m/s²

Q: In 4.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 10 miles…

A: Given Initial speedof the automobile is v0=58 miles 1 h=58 miles 1 h×1609 m1 mile×1 h 60 min×1…

Q: The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time…

A: Given:  speed, v = 19 km/h = 5.28 m/s distance, d = 200 m

Q: You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock…

A: Given time t =7s and speed S=27m/s And we have to find the velocity v that is 110.8787 The formula…

Q: A drag racer crosses the finish line and the driver applies the brakes to slow down. The brakes are…

A: Given data: Initial speed of the car, u=12 m/s Initial time, t1=7 s Final speed, v=5 m/s Final time,…

Q: A cyclist travels 3 miles in 15 minutes and then a further 7 miles in 35 minutes without stopping.…

A: Given data: Cyclist travels 3 miles in 15 minutes Then 7 miles in 35 minutes Required: Average speed…

Q: A car accelerates from rest at a constant rate of 2.12 m/s² for 15.0 s. It then ran at a constant…

A:

Q: A football is kicked straight up into the air; it travels 98 m high. What is the speed that it left…

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Q: A car, initially at rest, travels from 0m/s to 18.9 m/s in 28.1 s. What is the car's acc

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Q: In 10.0 seconds, the braking of an automobile reduces its speed from 58 miles per hour to 32 miles…

A:

Q: An ice skater accelerates backwards for 5.0 seconds, to a final speed of 12 m/s, moving backward. If…

A: Given data The time is t=5.0 s The final speed is v=12 m/s The acceleration is a=1.5 m/s2   The…

Q: In 3.0 seconds, the braking of an automobile reduces its speed from 59 miles per hour to 20 miles…

A:

Q: A473-gram ball is tossed vertically upward with an initial velocity of 16.0 m/s. How high from its…

A: Given data Mass of ball is m= 0.473 kg Initial velocity is u= 16 m/s Time taken t=1.12 s

Q: A car traveling at 16.8 m/s is 20.7 m from a barrier when the driver slams on the brakes. The car…

A:

Q: Question 4 A car starts at rest (v, = 0) and accelerates at a rate of 5.0 m/s". How long will it…

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Q: An object is accelerated from rest at a constant rate of 5.00 m/s2. What will be its speed after…

A:

Q: Average Speed totaltime A physis student drves for 20 hours going 10 mph, then spends 30 minstes not…

A:

Q: A runner wants to finish a 400 m race in 50.4 seconds. He accelarates from rest and attained his…

A: Runner's constant maximum velocity is 8.421 m/s.

Q: A hippopotamus can run up to 9.86 m/s. Suppose a hippopotamus uniformly accelerates 0.28 m/s² until…

A: Given Information:- Acceleration of the hippopotamus is a=0.28 m/s2 Final speed of the hippopotamus…

Q: A rock is thrown directly upward with an initial velocity of 118 feet per second from a cliff 275…

A: Equationh=-16t2+118t+275h=446 ft above the…

Q: The cat runs a constant speed of 6.4 m/s. If the cat runs a total of time 76.7 mins. How much…

A: Given: Speed (S)  = 6.4 m/s Time (t) = 76.7 min = 4602 second        .......(1 min = 60 s)

Q: If a boy dropped a rock off a high cliff, how fast would it be falling after 2.0 second had elapsed?…

A: As rock is dropped from a cliff, so initial velocity of rock  u= 0 m/s time after which we have to…

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.