Question

$\mathfrak{\huge{\red{QUESTION}}}$

Give some numericals Question


For Chapter = MOTION

CLASS = 9 ​

Answer 1

$\huge \underline{ \underline \mathbf \purple{questions - }}$

1. A scooter travelling at 10 m/s speed up to 20 m/s in 4 sec. Find the acceleration of train.

2. 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.

3. 9 A car start from rest and acquire a velocity of 54 km/h in 2 sec. Find

9 A car start from rest and acquire a velocity of 54 km/h in 2 sec. Find(i) the acceleration

9 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?

4. Two cars A and B race each other. The Car A ran for 2 min at a speed of 7.5 km/h, slept for 56 min and again ran for 2 min at a speed of 7.5 km/h. find the average speed of the car A in the race.

5. A motorcyclist drives from A to B with a uniform speed of 30 km h–1 and returns back with a speed of 20 km h–1. Find its average speed.

6. An object starting from rest travels 20 m in first 2 s and 160 m in next 4 s. What will be the velocity after 7 s from the start.

7. A car travels from stop A to stop B with a speed of 30 km/h and then returns back to A with a speed of 50 km/h. Find

A car travels from stop A to stop B with a speed of 30 km/h and then returns back to A with a speed of 50 km/h. Find (i) displacement of the car.

A car travels from stop A to stop B with a speed of 30 km/h and then returns back to A with a speed of 50 km/h. Find (i) displacement of the car. (ii) distance travelled by the car.

A car travels from stop A to stop B with a speed of 30 km/h and then returns back to A with a speed of 50 km/h. Find (i) displacement of the car. (ii) distance travelled by the car. (iii) average speed of the car.

8. A bus accelerates uniformly from 54 km/h to 72 km/h in 10 seconds Calculate

(i) acceleration in m/s2

(ii) distance covered by the bus in metres during this interval.

9. An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff.