When several passengers are standing in a moving bus, it is said to be dangerous. How will you justify this statement?

Why is it dangerous to jump out of a moving bus?

Describe the effect on passenger when a moving bus suddenly changes its direction of motion.

Which of the following sentences are statements and which are not? Justify your answer. Mention truth values for sentences which are statements. (viii) May God save you

Which of the following sentences are statements and which are not? Justify your answer. Mention truth values for sentences which are statements. (xii) Did you visit Tajmahal in Agra?

A moving coil galvanometer has resistance 50 Omega . The maximum bearable current is 100mA. How will you convert it into (i) a voltmeter to record 100V p.d.? and (ii) an ammeter to measure 5A current?

Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?

When is a collision said to be a perfectly inelastic? A mass is moving with speed v collides inelastically with another identical mass at rest. After collision, the first mass moves with velocity frac(nu)(sqrt 3) in a direction perpendicular to the initial direction of motion. Find the speed of the second mass after collision.

A boy standing on a stationary lift (open from above) throws a ball upwards with the maximum initial speed he can, equal to 49 m/s. How much time does the bail take to return to his hands? If the lift starts moving up with a uniform speed of 5 m/s and the boy again throws the ball up with the maximum speed he can, how long does the ball take to return to his hands?