Question

Calculate the average speed of a car that covers a distance of 150 km in 3 hours and next 70 km in 2 hours. (Ans. 44 km/h) 2. Calculate the time taken by a train moving with an average speed of 50 km/h to cover a distance of 250 kilometres. (Ans. 5 h) 3. A man walks a distance of 50 m in 1 minute and another 50 m in 1.5 min. Is the motion non-uniform? Also, find his average speed in m/s. (Ans. 0.66 m/s) 4. A truck travels with a speed 40 km/h for 30 min and then with a speed 30 km/h for 1 hr. Calculate total distance travelled and average speed of the truck. (Ans. 50 km, 33.33 km/h) 5. A car starting from rest, picks up a velocity of 15 m/s in 20 s. Find the acceleration of the car. (Ans. 0.75 m/s²) 6. A car is moving at 15 m/s. When its velocity increases to 20 m/s in 5 s, find the acceleration of the car. (Ans. 1 m/s²) 7. The mass of an object is 25 kg. Calculate its weight (Use g = 10 m/s²) (Ans. 250 N) 8. The mass of an object is 47 kg. Express its weight in (a) kg (b) N. [Ans.(a) 47 kg (b) 470 N​

Answer 1

Answer:

Change the following questions in its Indirect form:-

a. Shireen said to her mother, “where is my water bottle?”

b. He said, “ When they will be moving out?”

c. He said to us , “ Has your team won?”

d. He said, “ Which room shall he sleep in?” e. The coach said to Sonia , “ Is it your turn?”