Question paper for physics class 9 CBSE last year , If anyone have can I have a copy . Please , I will mark Brainlist too. in english pls

What can you increase the strength of an electromagnet by

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.

What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves