14 - A moving object with an initial velocity of 12 m / sec accelerates with an acceleration of 4 m / s2. Find out how many distance the mobile should travel for the speed to be 20 m / s? A) 36 B) 42 C) 46 D) 50 E) 32

Q: 2. A passenger jeep is traveling at 40 m/s when the breaks are applied. It comes to a stop after 10…

A:

Q: A truck traveling 75 km/h accelerates at the rate of 2.8 m/s2. How much time is required for the…

A: Given  Initial speed of truck  u = 75 km/h  Acceleration of truck  a = 2.8 m/s2 Final speed of truck…

Q: 3) A car is traveling at 7.0 M/s when a tree falls on the road. The driver takes 0.5 seconds to…

A: there are three equations of motion v = u + at v2 = u2 + 2as s = ut + 0.5 gt2   here , u = initial…

Q: A boy runs for 16 seconds.  His minimum speed is 4 m/s, while his maximum speed is 5.5 m/s.…

A:

Q: During a test, a rocket travels upward at 79.3 m/s. When it is 49.73 m above the ground, its engine…

A:

Q: A thief in a stolen car through a police check post at his top speed of 90 km/h. A motorcycle,…

A: At maximum separation the velocities are same.Therefore Velocity of motorcycle

Q: A falling object travels one half of its total distance during the last second of its fall. Assuming…

A: Given quantities: initial velocity (u) = 0  acceleration due to gravity (g) = 10.0 m/s2   Let, the…

Q: A race car starts at a speed of 18.3 m/s and speeds up over a time period of 2.47 s. The car can…

A: initial speed, u =18.3 m/s  time, t = 2.47 s acceleration, a = 10 m/s2

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…

A:

Q: 1- A particle is pushed along a horizontal surface in such a way that it starts with a velocity of…

A: As per guidelines only first question is solved here. Given, initial velocity, u = 12 m/s…

Q: 4. A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the…

A:

Q: 9) The velocity of an object on the time interval [0, 5] is given in the graph below. Assuming…

A: From the velocity versus time curve, the velocity at t=4 is:

Q: 8) On its maiden voyage in July 1952, the liner United States won the coveted Blue Ribbon for the…

A:

Q: An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground.…

A: Given, a=3.2 m/s2t=32.8 su=0 m/s

Q: 3. A car decelerates by constantly reducing 3 m/s per second of its velocity in a span of 10…

A: Given  Deacceleration a=-3m/s2 Time t=10sec Average velocity Vavg=30ft/s=30×.305=9.15m/s

Q: A 50.0 g superball traveling at 35 m/s bounces off a brick wall and rebounds at 26 m/s. A high-speed…

A: Free body diagram gives whole idea of the forces acting. Force brings about motion and changes in…

Q: 9- Which of the following is a scalar quantity? * a- displacement O b- force O c- velocity O d-…

A: Vector physical quantity has both magnitude and direction. Scalar physical quantity has only…

Q: 5. An object released from rest, falls toward the earth with an acceleration of 10 m/s. Fill in the…

A:

Q: A 50.0-g Super Ball traveling at 30.0 m/s bounces off a brick wall and rebounds at 21.5 m/s. A…

A: The initial velocity of the ball, v0=-30.0 m/s (negative because it is directed opposite to the…

Q: A car starts from rest and accelerates 8.10 m/s2  over a time of 5.21 s. Determine the distance…

A: Use the kinematic equation to solve for the distance travelled by the car. (Initially the car is at…

Q: - The starting speed of a cyclist is 10 km/h. If the cyclist reaches 30 km/h in 10 seconds, find the…

A:

Q: 5.. A ball dropped from a height. Find (a) Acceleration (b) Distance after 8 seconds (c) Time in air…

A: as ball is dropped from some height, it mans its initial velocity (u)is zer i.e. u=0 as it is…

Q: 8) On its maiden voyage in July 1952, the liner United States won the coveted Blue Ribbon for the…

A:

Q: 7 A cyclist is moving along a straight road from A to B with constant acceleration 0.5 ms-2. Her…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Two cars which are separated by 4.74 km are moving on the same direction. The car in front is moving…

A: Given data- Two cars which are separated by distance d=4.74 km The car in front is moving at a…

Q: 7. A car is driving at a velocity of 24 m/s. If its brakes can supply an acceleration of -5.0 m/s2.…

A: Given initial value u = 24m/s  Acceleration a = -5m/s2 we have to find out time in which final…

Q: The driver of a car slams on the brakes when he sees a tree blocking che road. The car slows…

A: Speed is the distance traveled per unit of time. Here, we calculate the given as follow;

Q: 5.What is the velocity of a rocket ship that accelerates at 40 m/s2 for 3.0 minutes? 6.Determine…

A:

Q: A car traveling 60 km/hkm/h slows down at a constant 0.50 m/s2m/s2 just by "letting up on the gas."…

A:

Q: 2. A football is kicked upward with a speed of 35 m/s from the top of a 70m building. Find: a. The…

A:

Q: A car traveling with an initial velocity of 23.67 m/s to the east, sees a wall 78.64 meters to its…

A:

Q: A ball is dropped from a building, after 2 seconds another ball was thrown downward. After 60…

A: Given that:- Ball1 is dropped from a building at t=0sec, After 2 sec ball 2 is thrown vertically…

Q: 2) A car traveling with a velocity 80 km/hour slows down at a constant 0.8m/sec2 just by “letting up…

A:

Q: 9. An airplane accelerates down a runway at 3.20 m/s^2 for 32.8 s until it finally lifts off the…

A: Given, Initial speed (u)=0m/s Acceleration of the plane(a)=3.20m/s² Time taken(t)=32.8s

Q: A soft tennis ball is dropped onto a hard floor from a height of 1.85 m and rebounds to a height of…

A: The initial height of the tennis ball is, h=1.85 m The rebound height of the tennis ball is, h'=1.41…

Q: 2. It takes a swimmer 30 seconds to complete a 120 meters lap. What is the speed of the swimmer?…

A: Given:- Distance (d)=120 m  Time(t) =30 sec Find:- Speed(v) of the swimmer

Q: 3-A body starting from rest covers a distance of 9 m in the fifth second. The acceleration of the…

A: Distance covered in nth second is given by the formula s=u+12a(2n-1) .............eq(1) Where  s -…

Q: 2. A ball, which has a mass of 24.0 grams, is dropped from a height of 94.0 cm. How long will it…

A: Given  Mass of ball =M= 24.0 gram  Height =h = 94.0 cm  Time taken=T=??

Q: Discuss whether or not it is possible for an object to be increasing in speed as its acceleration is…

A: Speed is the derivative of distance with respect to time. It means increasing speed is the result…

Q: A car moves with zero initial velocity up to a velocity of 5 m/s with an acceleration of 10 m/s2.…

A: Given data:  Initial velocity (v0) = 0 m/s Final velocity (v) = 5 m/s Acceleration (a) = 10 m/s2…

Q: A car starts and accelerates at a constant 4m/s² in 1 second. Determine speed and distance after 10…

A: Given Acceleration ( a ) = 4 m/s2  Time ( t ) = 10 sec To find out Speed  ans distance of the car…

Q: Example 2.7 A train accelerates uniformly from rest and travels a distance of 200m in the first 8 s.…

A: Distance , S = 200 m Time , t = 8s To find = a) Acceleration of train                 b) Time taken…

Q: 5. A trip to Cape Canaveral, Florida takes 10 hours. The distance is 816 km. Calculate the average…

A:

Q: 3.The Olympic high jump record is 2.45m held by Cuba let acceleration due to gravity on earth was -…

A:

Q: A train moves along a straight track with acceleration - 3 m/s². If the initial velocity of the…

A: Given :      acceleration, a = t10 - 3 m/s2      Initial velocity, u = 45 m/s      Time, t = 1 min =…

Q: 6. A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is?

A:

Q: 5. Two trains, one travelling at 60 mi/hr and the other at 80 mi/hr, are headed toward one another…

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.