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## 1. Determine the horizontal velocity u with which a stone must be projected from point p of height h so that it may hit the inclined plane perpendicularly. Inclination is theta and inclined plane is kept just below point p at ground. Give the value in terms of g, h and cot theta.                                                                                                                                                                                                                                                                                             2. Point A moves uniformly with velocity v so that vector v is continually aimed at point B which in its turn moves rectilinearly with velocity u<v. Initially, u perpendicular to v and separation was l. How soon will the points converge.     Plz answer both the questions as I have exam tommorow.

Asked by arijitodisha 13th June 2016 10:37 AM

## solve q4

Asked by Anil 21st June 2017 5:35 PM

## An engine is hauling a train of mass M kg a level track at a constant speed v m/s. The resistance due to friction is f N/kg. What extra power must the engine develop to maintain the speed up a gradient of h in s:

Asked by Arushi Juyal 12th November 2017 3:00 PM

## A car starts from rest with an acceleration of 6 m/s2 which decreases to zero linearly with time, in 10 seconds, after which the car continues at a constant speed. Find the time required for the car to travel 400 m from the start.

Asked by Arushi Juyal 12th November 2017 3:07 PM

## The upper half of an inclined plane with an inclination a, is perfectly smooth, while the lower half is rough. A body starting from rest at the top will again come to rest at the bottom, if the coefficient of friction for the lower half is given by:

Asked by Arushi Juyal 12th November 2017 5:00 PM

## a 2m wide truck is moving with a uniform speed of 8m/s along a straight horizontal road. a pedestrian starts crossing the road at an instant when the truck is 4m away from him. the minimum constant velocity with which he should run so as to avoid the accident

Asked by jaychandran1967 20th December 2017 11:46 AM

## when difference between uniform circular and uniform linear motion is asked can 1 of the diff. be: U. circular- body moves in a circular path U. linear-body moves in a straight line i wrote this but got no marks??????

Asked by caravi98 1st February 2018 6:05 PM

## a train is approaching a platform with a speed of 10 km/hr.when it is at a distance of 2 km from the platform breaks are applied so that a uniform retardation is produced. at the same time ,a bird sitting on the pole near the platfiorm flies with the speed of 50 km/hr towards the train  touches the front of the train and then returns to the pole.if the motion is repeated until the train comes to rast,the total distance travelled by the bird is?

Asked by 443879616104558 22nd August 2018 4:06 PM

## Types of motion

Asked by sachinsingh7621 4th May 2019 1:07 PM

## what is  motion?

Asked by ak1429307 30th May 2019 7:19 PM

## what is cam and follower motion?

Asked by krishavsom 31st March 2020 11:45 AM

## Hi I amJenil Thakkar   Car can also change his path so how it is called in rectilinear motion

Asked by jenilthakkar2372.7sdatl 27th April 2020 9:46 AM