DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .

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

what is the formula for retardation

list 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 : v² - u² =2as

how 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 today

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 + 1/2at²

 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 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/s².

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?

1. On a foggy day, two car driver spot each other when they are just 80 m apart.They are travelling at 72 km/hr and 60 km/hr respectively towards each other. Both of them simultaneously apply brakes, which retard both the cars at a rate of 5 m/s2. Determine whether the avert the collision or not.

 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+1/2at² 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?

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 :

• s=ut 1/2at²

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)..??

 Difference between mass and weight 

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

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.

1. A scooter can produce a maximum acceleration of 5 m/s2. Its brake can produce a maximum retardation of 10 m/s2. Find THE MINIMUM TIME IN WHICH IT STARTS THE REST, COVERS A DISTANCE OF 1.5 km and stops again.

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

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