Q1.A body starts to slide over a surface with initial velocity of 0.5m/s. Due to friction it’s velocity decreases,at the rate of 0.05m/sHow much time will it take for the body to stop?.Q2 A body travels along a circular path of radius 70m.After travelling half a revolution in 20s,Find a) average speed b) average velocityQ3.A cheetah spots it’s prey at a distance of 100m.What time does it take to get its prey,if average velocity is 90 km/h?Q4.Brakes applied to a car produce acceleration of 6 m/s in opposite direction to motion.If the car takes 2s to stop, calculate distance it travels during this time.Q5.A car starts from rest and moves along a straight line with constant acceleration. of 5m/s for 8 s.At the end of 8s,it continues to move with constant velocity.What distance will it cover in 12s?Q6 A car of mass 1500kg is moving with a speed of 36km/h.It is brought to rest by applying brakes in 2s. a)What is initial and final momentum of car? b) What is the force on car due to the brakes?Q7 A force of 10N gives a body of mass m, an acceleration of 10m/s and a body m' ,an acceleration of 20 m/s a)What is mass m? b)What is mass m'? c)What will be the acceleration if both masses were tied together?Q8.A body moves with uniform velocity under the action of applied force of 10N.How much is the frictional force acting on the body?

Q1.A body starts to slide over a surface with initial velocity of 0.5m

1.	Q1.A body starts to slide over a surface with initial velocity of 0.5m/s. Due to friction it’s velocity decreases,at the rate of 0.05m/sHow much time will it take for the body to stop?.Q2 A body travels along a circular path of radius 70m.After travelling half a revolution in 20s,Find a) average speed b) average velocityQ3.A cheetah spots it’s prey at a distance of 100m.What time does it take to get its prey,if average velocity is 90 km/h?Q4.Brakes applied to a car produce acceleration of 6 m/s in opposite direction to motion.If the car takes 2s to stop, calculate distance it travels during this time.Q5.A car starts from rest and moves along a straight line with constant acceleration. of 5m/s for 8 s.At the end of 8s,it continues to move with constant velocity.What distance will it cover in 12s?Q6 A car of mass 1500kg is moving with a speed of 36km/h.It is brought to rest by applying brakes in 2s. a)What is initial and final momentum of car? b) What is the force on car due to the brakes?Q7 A force of 10N gives a body of mass m, an acceleration of 10m/s and a body m' ,an acceleration of 20 m/s a)What is mass m? b)What is mass m'? c)What will be the acceleration if both masses were tied together?Q8.A body moves with uniform velocity under the action of applied force of 10N.How much is the frictional force acting on the body?
Answer» tion:10 s MARK me as a BRAINLIST

Discussion

No Comment Found

Related InterviewSolutions

1. Mind (ability, power) is one of the strongest and most useful powers youpossess2. Your mind mapping ability (declines, enhances) your brain functions.3. Lett brain controls all the muscles on the right-hand side of the body andthe (left, right) brain controls the left side. One hemisphere may be slightlydominant, as with left or right-handedness.139
8- A girl of mass 35 kg site on trolley of mas 5kg.initial velocity of trolley is im/s Come to rest after travelling 16m.find work done on trolley.come to meet after thavelling 16 m(a) work done ou trolley(b) work done by girl
Guys...this may seems to be hard...bt no...it's not...I need to know the solution of only part:-(d) & (e)(a)The moment of inertia of a disc of radius 0.5 m about its geometric axis is 2kg-m2. If a string is tied toits circumference and a force of 10 Newton is applied, the value of torque with respect to this axis will be(1) 2.5 N-m21275 N-m(3) 10 N-m(4) 20 N-m(b)In the above question, if the disc executes rotatory motion, its angular acceleration will be :-(1) 2.5 rad/sec(2) 5 rad/sec(3) 10 rad/sec(4) 20 rad/sec(c)In the above question, the value of its angular velocity after 2 seconds will be :-(1) 2.5 rad/sec(2) 5 rad/sec(3) 10 rad/sec(4) 20 rad/sec(d)In the above question, the change in angular momentum of disc in first 2 seconds in Nm second will be(1) 2.5(2) 5(3) 10(4) 20(e)In the above question, angular displacement of the disc, in first two second will be in radian:-(1) 2.5(2) 5(3) 10(4) 20Plz guys...I just don't wanna copy it in my hw...I wanna learn how the correct answer came out...so plz explain your solution with proper formula and sign and don't spam...plzWould be very thankful to you...!!!
Explain formation of rainbow with the help of a diagram.
consider the equation x=A sin (wt + pi/2) for a vibration object, where A is the amplitude. The Initial position of the object will be?
Table-1Articles/ Activities (A)Articles Materials used30-40 years ago B)clay jarsArticles Materials usedToday (C)Containers for storing picklePacking food for a journeyWater pipes in the houseplastic tiffin boxesCopper vesselsSteel vesselsVessels for cooking foodFuels used to cook foodFuel used in a train engineLuggage for carrying clothesWater buckets, pailser storages in housesMetalturksPlastic bucketsFurniture (chairs, cots)
What are your insights or refelction to the "fully essential to social and human developmet
acceleration of projection of a particle moving in a circle is related to the angular frequency w as?
4. Find the current of an electrical circuit that has a voltage supply of 20 Volts and a resistanceof 42.5. A motor with an operating resistance of 5 2 is connected to a voltage source. The current,in the circuit is 3 A. What is the voltage of the source?
The waveform of SHM is?

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment