A man in a car at location Q on a straight highway is moving with speed v He decides to reach a point P in a field at a distance d from the highway (point M) as shown in th e figure . Speed of the car in the field is half to that on the highway what should be the distacne RM so that the time taken to reach P is minimum ?
From point A located on a highway (figure) one has to get by car as soon as possible to point B located in the field at a distance l from the highway. It is known that the car moves in the field eta times slower than on the highway. At what distance from point D one must turn off the highway?
The speeds of three cars are in the ratio 4: 3: 2. What is the ratio between the times taken by the cars to cover the same distance ?
The speeds of three cars are in the ratio 2:3 : 4. What is the ratio between the times taken by these cars to travel the same distance?
A car moving along astraight highway with speed of 126kmh^(-1) is brought to a stop with in a distance of 200m what is the retardation of the car
A car moving along a straight highway with a speed of 72 km h^(-1) is brought to a stop within the distance of 100 m . What is the retardation of the car and how long does it take for the car to stop ?
A car moving along a stainght highway with a speed of 72 kmh^(-1) is brought to a stop within a distance of 100m. What is the retardation of the car and how long does it takes for the car to stop ?
The speed v reached by a car of mass m in travelling a distance x, driven with constant power P, is given by
