A train accelerates from 36 km/h to 54 km/h in 10 sec.
(ii) The distance travelled by car.
A body whose speed is constant
(a) Must be accelerated
(b) Might be accelerated
(c) Has a constant velocity
(d) Cannot be accelerated.
A truck travelling at 54 km/h is slow down to 36 km/h in 10 sec. Find the retardation
A particle is moving in a circle of diameter 20 m. What is its distance and as per the table given below
A scooter travelling at 10 m/s speed up to 20 m/s in 4 sec. Find the acceleration of scooter.
A train starts from rest and accelerate uniformly at the rate of 5 m/s2
for 5 sec.
Calculate the velocity of train in 5 sec.
A object moves with uniform positive acceleration. Its velocity-time graph will be
(a) A straight line parallel to the time axis
(b) A straight line inclined at an obtuse angle to the time axis
(c) A straight line inclined at an acute angle to the time axis
(d) None of these.
The maximum speed of a train is 90 km/h. It takes 10 hours to cover a distance of 500 km.
Find the ratio of its average speed to maximum speed?
A car start from rest and acquire a velocity of 54 km/h in 2 sec. Find
(i) the acceleration
(ii) distance travelled by car assume motion of car is uniform?
An object dropped from a cliff falls with a constant acceleration of 10 m/s2
. Find its speed 5 s after it was dropped.
A ball is thrown upwards and it goes to the height 100 m and comes down
1) What is the net displacement?
2) What is the net distance?
Download Numerical Motion Problems and Solution worksheet as pdf
Practice questions on motion
Two cars A and B race each other. The Car A ran for 2 minute at a speed of 7.5 km/h, slept for 56 minute and again ran for 2 minute at a speed of 7.5 km/h.
find the average speed of the car A in the race.
Anand leaves his house at 8.30 A.M for his school. The school is 2 km away and classes start at 9.00 A.M. If he walks at a speed of 3 km/h for the first kilometre, at what speed should he walk the second kilometre to reach just in time?
An object moves along a straight line with an acceleration of 2 m/s2
. If its initial speed is 10 m/s, what will be its speed 2 s later?
A bullet hits a Sand box with a velocity of 20 m/s and penetrates it up to a distance of 6 cm. Find the deceleration of the bullet in the sand box.
A particle experiences constant acceleration for 20 seconds after starting from rest.
If it travels a distance D1
in the first 10 seconds and distance D2
in the next 10 seconds then,
The velocity -time graph of SUV is given below. The mass of the SUV is 1000 kg.
a. What is the distance travelled by the SUV is first 2 seconds?
b. What is the braking force at the end of 5 seconds to bring the SUV to a stop within one seconds?
An electron moving with a velocity of $5 \times 10^3 m/s$ enters into a uniform electric field and acquires a uniform acceleration of $10^3 m/s^2$ in the direction of initial velocity.
i. Find out the time in which electron velocity will be doubled.?
ii. How much distance electron would cover in this time.?
A train 100 m long is moving with the velocity of 72 km/hr. Find the time it takes to cross the bridge which is 2 km long?
An artificial satellite is moving in a circular orbit of radius 42.250 km (approx). Calculate its linear velocity if takes 24 hour to revolve around earth.?
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Class 9 Maths
Class 9 Science