Physics

Question 1

Person walking

Answer 1

1.5 m/s

Question 2

Running

Answer 2

3m/s

Question 3

Cycling

Answer 3

6m/s

Question 4

Car

Answer 4

25m/s

Question 5

Train

Answer 5

50m/s

Question 6

Plane

Answer 6

250m/s

Question 7

Speed of sound in air

Answer 7

330m/s

Question 8

Newtons 1 law

Answer 8

If the resultant force on a stationary object is 0 it will not move.

If the resultant force on a moving object is 0 it will move at same velocity.

Question 9

Newton 2 law

Answer 9

Acceleration of an object is directly proportional to the resultant force.
Acceleration is inversely proportional to mass.

Question 10

Newton 3 law

Answer 10

When 2 objects interact the forces exerted on each other are equal and opposite