please show work for these 38) In a certain particle accelerator, a proton reach

Question

please show work for these

38) In a certain particle accelerator, a proton reaches an acceleration of 9.0 1013 m/s. The 38) mass of a proton is 1.67 x 10-27 kg. What is the force on the proton? 39) A marble moving 1.48 m/s rolls off the top edge of a 125-em high table in a room where 39 n due to gravity is 9.80 m/s2. is 9.80 m/2 there is no appreciable air resistance and the acceleration due to gravity (a) How far from the base of the table will it strike the floor? (b) How long will t be in the air? (b) How long will it be in the air?

Explanation / Answer

Here ,

a) let the time of flight is tf

time of flight , tf = sqrt(2 * 1.25/9.8)

tf = sqrt(2.5/9.8)

tf = 0.505 s

distance , d = 1.48*.505

d = 0.746 m

the ball will strike 0.746 m from the base of floor

b)

the ball is in air for 0.505 s

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