Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb93f59b460d7261ec61.png ' />
In the above figure, a foot ball ground is given. Boojho goes to the football ground to play football. The distance-time graph of his journey from his home to the ground is given above as figure. Is the motion between 0 to 4 minutes uniform or nonuniform?
Question 2 :
State the type of motion : Bullock cart moving on a straight road.
Question 3 :
Boojho wants to know whether there is any device that measures the speed. Can you help him ?
Question 4 :
State the type of motion : Motion of the earth around the sun.
Question 5 :
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.
Question 6 :
Boojho is wondering how many seconds there are in a day. Can you help him ?
Question 8 :
State true or false: The basic unit of time is second.
Question 9 :
State true or false: Distances between two cities are measured in kilometres.
Question 10 :
State whether the statement is correct or not : Distance between two cities is measured in kilometres.
Question 11 :
State the type of motion : Pedals of a bicycle in motion.
Question 12 :
Rockets, launching satellites into earth's orbit, often attains speeds up to 8 km/s. On the other hand, a tortoise can move only with a speed of about 89 cm/s. Calculate how fast is the rocket compared with the tortoise.
Question 13 :
The average age of children of Class VII is 12 years and 3 months. Express this age in seconds.
Question 14 :
Motion of a train on a straight bridge is classified as:
Question 15 :
The odometer of a car reads 57, 321.0 km when the clock shows the time 08:30 AM. Calculate the speed of the car in km/h , if at 08 : 50 AM, the odometer reading has changed to 57, 336.0 km ?
Question 16 :
State whether the statement is correct or not : The basic unit of time is second.
Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cb97f59b460d7261ec66.png ' /> In the above figure, time taken by the bob to move from A to C is $t_1$, and from C to O is $t_2$. The time period of this simple pendulum is:
Question 19 :
Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.