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DIFFERENTIATE BETWEEN SCALAR AND VECTOR QUANTITIES .
what is the formula for retardation
5 examples of uniform and Non-uniform motion.??
Can the displacement be greater than the distance travelled by an object ?
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.
what are the similarities between distance and displacement ?
derive the third equation of motion : v2 - u2 =2as
What is To and Fro Motion? Explain with examples.
give 5 examples of uniform acceleration.
A TRUCK IS MOVING WITH A VELOCITY OF 72 km/h AND IT TAKES 3s TO STOP AFTER THE BRAKES ARE APPLIED . CALCULATE THE FORCE EXERTED BY BRAKES . MASS OF TRUCK IS 1200 kg.
PLS ANSWER FAST. URGENT
Can a body have zero velocity and still acceleration? give examples,Please answer by 7:30 pm today
if momentum of a body increases by 20 percent, then percentage increase in its kinetic energy is...
how to draw the distance - time graph for activity 8.9 and activity 8.10 in page number 106 and 107
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
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 car moves through 20km at a speed of 40km/hr,and the next 20km at a speed of 60km/hr.calculate its average speed
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?
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?
state four differences between distance and displacement
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 uniform and non - uniform motion.
give an example to show that displacement can be negative?
An electric train is moving with a velocity of 120 km/ hr. How much distance will it move in 30 seconds.
S=ut+1/2at2 prove by graphical method.
explain different types of motion with dailylife examples.
The table given below shows distance (in cm) travelled by the bodies A, B and C Read the data carefully B and C Read the data carefully and answers the questions which follow: Time Body A Body B Body C 1st Second 20 20 20 2nd Second 20 36 60 3rd Second 20 24 100 4th Second 20 30 140 5th Second 20 48 180 a) Which of the bodies is moving with: i) Constant speed ii) Constant acceleration b) Which of the three bodies covers :- i) Maximum distance in third second ii) Minimum distance in third second c) Which of the body is moving with non- uniform acceleration d) Sketch a distance- time graph for motion of I) Body A ii) Body C e) How much distance is covered by body C in 5s f) How much distance is covered by body B in last 3s g) Which of the bodies covers least distance in first three second
example for acceleration against the direction of motion
3 difference between fundamental and derived physical quantities
rest and motion are relative terms. Explain.
Vikram drove his car for 2 hours at the rate of 60 km per hour and then 3 hours at 50 km per hour.Find the average speed of his journey?
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
give some examples of accelerated motion in everyday life
what is erratic motion?
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 ?
Derive the equation :
EXPLAIN WHETHER THE WALLS OF A CLASSROOM ARE AT REST OR IN MOTION?
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.
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.
a boy is running on a straight road.he runs 500 m towards north in 2 min 10 seconds and then turns back and runs 200m in 1 minute. calculate his average speed and magnitude of average velocity during first 2 minutes 10 seconds
Difference between mass and weight
a body can have zero average velocity but not zero average speed . justify
A body covers 4m in 3rd second and 12m in 5th second. If the motion is uniformly accelerated, how far will it travel in the next 3 seconds?
when is a body said to be in motion (or moving)..??
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?
a spaceship travelling in space at 300km/sec fires its engine for 15 sec such that its final velocity is 600 km/sec calculate total distance travelled by the ship in 1 min starting from the time of firing
Give two examples of bodies having non-uniform motion
A train covers half of its journey with a speed of 30m/s and other half with a speedof 40m/s. Calculate the average speed of the train during the whole journey.
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.
What is the momentum of a body of mass 200g moving with a velocity of 15m/s?
what type of motion uniform or non-uniform is exhibited by a freely falling body? give reasons for your answer
A car accelerates uniformly from 18 km/h to 36 km/h in 5 seconds.
calculate the -
b)distance covered by the car
1. Distinguish between distance and displacement fora) an object moving along a straight lineb)an object moving in a plane2. Give an example where the speed on object first increases,then remains constant for some time,and then decreases.3.A girl bends to touch her toes.Is the motion of her head an example of uniform motion or accelerated motion.Explain.
1. Distinguish between distance and displacement for
a) an object moving along a straight line
b)an object moving in a plane
2. Give an example where the speed on object first increases,then remains constant for some time,and then decreases.
3.A girl bends to touch her toes.Is the motion of her head an example of uniform motion or accelerated motion.Explain.
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