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Syllabus

DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .

5 examples of uniform and Non-uniform motion.??

what is the formula for retardationlist 10 scalar and 10 vector quantities related to motion.

What is the full form of CGS and SI?

give 5 examples of uniform circular motion ?

Please explain the derivation of the equations of motion by graphical method.

derive the third equation of motion : v

^{2}- u^{2}=2ashow to draw the distance - time graph for activity 8.9 and activity 8.10 in page number 106 and 107

give 5 examples of uniform acceleration.

if momentum of a body increases by 20 percent, then percentage increase in its kinetic energy is...

Can a body have zero velocity and still acceleration? give examples,

Please answer by 7:30 pm todayQ1. The following graph describes the motion of a girl going to meet her friend who stays 50 m from her house.

(a) How much time she takes to reach her friend's house ?

(b) What is the distance travelled by the girl during the time interval 0 to 12 min?

(c) During which time interval she is moving towards her house?

(d) For how many minutes she was at rest, during the entire journey?

(e) Calculate the speed by which she returned house.

a boy hits a football high up into d air. He runs and catches d football before it hits d ground. Which of two, d boy or d football has greater displacement?

Derive the following equations of motion graphically-

1) v = u + at

2) s = ut + 1/2at

^{2}derivation - equation of motion by graphical method

Can u give me 9th cbse fa1 sample paper

A car travels from Mumbai to Pune at a average speed of 50 km/hr and back from

what are the difference between uniform linear and uniform circular motion? explain with example.

differentiate between distance and displacement

Uniform circular motion is an accelerated motion . JUSTIFY THIS STATEMENT

What is the basic difference between Motion and Rest ?

a The slope of distance time graph

b The are under velocity time graph

c The slope of velocity time graph

A body is moving along a circular path of radius(R). What will be the distance and displacement of the body when it completes half revolution?

A body is dropped from a balloon which is moving upward with a speed of 10m/s.The body is dropped when the balloon is at a height of 390m from the surface of earth.Find the approximate time taken by the body to reach the surface of earth.Take g=10m/s

^{2}.ABDUL WHILE DRIVING TO SCHOOL COMPUTES THE AVERAGE SPEED FOR HIS TRIP TO BE 20 KM/HOUR. ON HIS RETURN TRIP ALONG THE SAME ROUTE , THERE IS LESS TRAFFIC AND THE AVERAGE SPEED IS 30 KM/HOUR. WHAT IS THE AVERAGE SPEED FOR ABDUL'S TRIP?

state four differences between distance and displacement

Difference between uniform and non - uniform motion.

can a body have constant speed and still be accelerating?

give an example to show that displacement can be negative?

What is To and Fro Motion? Explain with examples.explain different types of motion with dailylife examples.

if a coin charged in air is placed in kerosine which of the following quantities will be affected?

i)charge

ii)charge density

iii)electric field

iv)energy density

v)force per unit area

S=ut+1/2at

^{2 }prove by graphical method.example for acceleration against the direction of motion

3 difference between fundamental and derived physical quantities

Calculate the angular speed of fly-wheel making 120 revolutions /min ?

rest and motion are relative terms. Explain.

1.The numerical ratio of displacement to distance for a moving object is:

a)always less than 1

b)always equal to 1

c)always grater than 1

d)equal to or less than 1

explain too...

Under what condition will the distance and displacement of moving object have the same magnitude?

give some examples of accelerated motion in everyday life

Under what condition is the magnitude of average velocity of an object equal to it's average speed?

Table 8.5: Distance covered by Feroze and Sania at different times on their bicycles

Time Distance travelled by Feroze Distance travelled by Sania

(Km) (Km)

8:00 am 0 0

8:05 am 1.0 0.8

8:10 am 1.9 1.6

8:15 am 2.8 2.3

8:20 am 3.6 3.0

8:25 am - 3.6

Plot the distance-time graph for their motions on the same scale and interpret.

A) the object's inertia becomes ?2 times greater.

B) the object's inertia becomes 2 times greater.

C) the object's inertia becomes 4 times greater

D) the object's inertia is unchanged

A ball is dropped on the floor from the height of 10m. It rebounds to a height of 2.5m. If the ball is in contact with the floor for 0.01 seconds, what is the average acceleration during contact ?

A body moving with uniform acceleration describes 20 m in 2nd second and 30 m in 4th second of its motion. Calculate the distance moved by it in 6th second.

Derive the equation :

^{2}can accelerate with 20 m/s2

till 5 seconds and Mclaren with 17 m/s2

up to 6 seconds. Who wins?

A train starting from rest attains a velocity of 72 km/h in 5 minutes. Assuming that the acceeration is uniform. Find the acceleration and the distance traveed by the train for attaining this velocity.

Differentiate between :-

1-Speed and Velocity

2-Distance and Displacement

draw a velocity versus time graph of a stone thrown vertically upwards with a velocity v and then coming downwards after attaining the maximum height.

EXPLAIN WHETHER THE WALLS OF A CLASSROOM ARE AT REST OR IN MOTION?

when is a body said to be in motion (or moving)..??

A body travels 200cm in the 1st 2 s and 220cm in the next 5 s.Calculate the velocity at the end of 7th second from start ? It's answer is 2.22 m/s

Difference between mass and weight

a body can have zero average velocity but not zero average speed . justify

(a) Uniform motion

(b) Uniformly accelerated motion

(c) Uniformly retarded motion

what are the similarities between distance and displacement ?An electric train is moving with a velocity of 120 km/ hr. How much distance will it move in 30 seconds.

The spring balance used to measure minimum force required to just slide a wooden block is of range 0-500 gwt and has 100 divisions on its scale. A block just starts sliding when its pointer is at 42nd division, The minimum force thus measured should be (1) 210 gwt (b) 42 gwt (c) 21 gwt (d) 84 gwt

A body covers 4m in 3^{rd}second and 12m in 5^{th}second. If the motion is uniformly accelerated, how far will it travel in the next 3 seconds?Q what is the displacement of a satilite when it makes a complete round along around its circular path of radius. caculate its distance and displacement in its half of perdioc time?

Give two examples of bodies having non-uniform motion

A car starts from rest and accelerates uniformly for 10 s to a velocity of 8 m/s. It then runs at a constant velocity and is finally brought to rest in 64 m with a constant retardation. The total distance covered by the car is 584 m. Find the value of acceleration, retardation and total time taken.

A car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds.

calculate the -

a)acceleration

b)distance covered by the car

a pin

an ink pot

your body

textbook

what type of motion uniform or non-uniform is exhibited by a freely falling body? give reasons for your answer

ppt on motion of class9

Why drivers are cautioned to maintain a distance while applying breaks???

pls be quick, I have my exams tommorow............