A ball, initially at rest, is dropped from a hot air ballon (assume no air resistance) it is going 20 m/s after 2 seconds  a) how fast is it going after 3 seconds? (calculate in m/s) b) What is its average velocity during this time? (calculate in m/s) c) How far did it travel during this time? (calculate in miles) d) How far did it travel after 4 seconds? (calculate in miles

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: An Olympic cyclist has reached the final 100 meters of their race, and decides to speed up in an…

A: Given: Distance =100 m Time to personal best = 3.5 s or less

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: rynn, who is standing on her balcony, is surprised by a pigeon and throws a flowerpot up in the air…

A: Using Newton's equation of motion, we get:s=ut+12at2Here,u=2.1 m/st=3 sa=9.81 m/s2....(downward)plug…

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: Starting from rest, a car accelerates at a constant rate of 5.2 m/s2 for a total of 5 seconds.…

A: The formula for distance travelled by car is, s=ut+12at2 Here, the initial velocity is u,…

Q: stone is dropped from the edge of a roof, and hits the ground with a velocity of -175 feet per…

A: GivenFinal velocity of stone hits the ground ,v=-175 ft/s2Acceleration due to gravity, g=32 ft/s2

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 ball is accelerated from rest at 0.2 m/s2.  How far will it have traveled when its speed is 18…

A:

Q: A vehicle that is initially at rest accelerated at 10 km/hr^2 for one hour and then decelerated at a…

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

Q: Two cars are traveling at the same speed of 70 kph on a level road. Car A decelerates at the rate of…

A:

Q: A ball rolling down a hill uniformly accelerated at 4 m/s2. Assuming that it starts from rest, what…

A: Given  acceleration of ball a=4m/s2 Initial speed u=0m/s Time t=3s

Q: Osama was testing his new car by racing with his fiend Adam, Osama was driving at 54.0 mile/hr,…

A: Given: Initial velocity of Osama is Vi = 54.0 mile/hr. Constant velocity of the truck is VT = 3.00…

Q: pedestrian is running at his maximum speed of 6.0 m/s to catch a bus stopped at a traffic light.…

A: Given:speed of pedestrian, v=6 m/sdistance, d = 15 macceleration, a=1 m/s2

Q: An astronaut on the mood jumps 12 feet vertically off the ground. Accelearation due to gravity on…

A: Given, Height, h= 12 ft=3.657 m, and acceleration due to gravity, g=-5.25 ft/s2=-1.6002 m/s2.

Q: A bicycle initially at rest accelerates for t=18.5 seconds at a rate of a=1.5m/s^2 a) Calculate the…

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Q: A subway train starts from rest and accelerates at a rate of 1.60 m/s2 for 14.0 s.  It runs at…

A: Given Vi=0 a1=1.6m/s2 t1=14 sec t2=70sec a2=3.5m/s2

Q: A car moves from rest until its velocity is 28 m s for 1800 s and reach a distance of 30000 m.…

A: Given data The initial velocity of the car is given as u = 0 m/s. The final velocity of the car is…

Q: Two cars, A and B, are travelling in the same direction, although car A is 183m behind car B. The…

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Q: You lock up the brakes on your new Ferrari and skid to a tire screeching stop in 88 feet. Calculate…

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Q: An olympic gold medalist from Moscow runs one time around the 400-meter track in 40 seconds. What is…

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Q: An object falls from rest, its equation of motion is s = -16t?, where • t is the number of seconds…

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Q: A police cruiser is in pursuit of a speeding car farther up the highway. At t=0, the police are 35…

A: Given initially the distance between two cars is 35 mile. A police cruiser is travelling with a…

Q: Starting from rest, a bus leaves a gas station with a constant acceleration of 2 m/s˄2 until it…

A:

Q: On August 5, 1988, Mike McCarthy of London jumped from the top of the Tower of Pisa. He then opened…

A: Scenario - Person M jumped from Tower of Pisa. After falling for a certain height he opened his…

Q: A speeding motorist zooms past a stationery police car, which then heads after the speeder. The…

A: Required : When is the instant when the police car is going at the same velocity as the speeding…

Q: A vehicle running at a speed of 40 m/s decelerates and stops after 10 s. What is the acceleration of…

A: Given:- the initial speed of the car u= 40 m/s  stopping time is t= 10 sec  Find:-  What is the…

Q: To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required…

A: The time needed to take off from the ground is calculated in given steps.

Q: How long is the car when the race is finished and the car stopped?

A: We know from the special theory of relativity when the car is moving with some velocity it seems…

Q: 1. You see your dog @ a distance and hit the brakes. Bike decelerates @ 1m/s^2. Initial speed is…

A: Concept :- The questions are based on one-dimensional accelerated motion. Equations that can be used…

Q: Two cars travel at the same time from two point (A and B), which are 10km apart. It took the first…

A: Given distance between A and B , d = 10km First car takes 20 minutes to travel from point A to B.…

Q: A car with good tyres on a dry road can decelerate at about 5.00 m s-2 when braking. Suppose a car…

A: Given acceleration of car = 5.00 m/s2 iinitial velocity = u = 100.0 km/h final velocity = v = 0…

Q: A bus traveling at 15m/s accelerates uniformly at 4m/s².Calculate the distance covered in ten…

A: Initial speed,  Acceleration,  Time,    Applying the second equation of motion, we get

Q: To catch the train, a taxi driver  accelerates the taxi from rest at 2.2 m/s2  for 12second along a…

A:

Q: The skid marks made by an automobile indicated that its brakes were fully applied for a distance of…

A:

Q: A rock is thrown directly up with an initial velocity of Voy=28.8m/s at instant A as shown in the…

A:

Q: A rowing boat accelerates from rest at a constant rate of 0.4m/s^2 for 5s. It continues at constant…

A: SOlution:

Q: You are to drive to ah Interview in another town, at a distance km on an expressway. The inter plan…

A: We have givenTotal Distance is to be derive (D)=292 kmDeriving starts at 8:00 am and reaching time…

Q: Chris cycles at an average speed of 8 mph. If he cycles for 6- hours, how far does he travel?

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Q: On the Moon, there is no air resistance to slow a falling body. To demonstrate this, an astronaut…

A: the height of feather varies as per the given equation : h(t) = 2.39 - 2.65t2where h(t) is measured…

Q: The Tokyo Express Train accelerates evenly from rest to +1.0 m/s2, for 1.0 minutes. Detemine how…

A: Given data: Initial velocity (v0) = 0 m/s Acceleration (a) = +1.0 m/s2 Time (t) = 1.0 minutes…

Q: A skater uniformly decreased her velocity from 6 m/s to zero (braking to a stop) over a distance of…

A:

Q: A child rides on a sled with an initial velocity of 20m/s as it decelerated at a rate of 5 meters…

A:

Q: Car B is traveling a distance d ahead of car A. Both cars are traveling at 60 ft/s when the driver…

A: We use the equations of motion to solve this question. v = u+at s = ut+12at2 Here, u is the…

Q: How long would it take if it started from a spread

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Q: Consider the velocity vs. time graph of a person in an elevator shown in Suppose the elevator is…

A: Part A: From the given graph it is clear that for 0 to 3 s, the velocity of the person is increasing…

Q: You are standing at rest at a bus stop. A bus moving at a constant speed of 5.00 m>s passes you.…

A:

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: A body has an initial velocity of 45km/h and is accelerated uniformly at 2m/s square until its…

A: The given data are: u=45 km/h=12.5 m/sa=2 m/s2v=72 km/h=20 m/st=12  s Here, u denotes the initial…

Q: A motorist travels at a constant speed of 39.0 m/s through a school zone; exceeding the posted speed…

A:

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.