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sir, how to calculate the distance travelled by a body in 1d motion or freely falling motion during the last second of its motion.. and 1 question is there in 1d motion u=9m/s due east, a=2 m/s2 due west. find the distance travelled by the body during its 5th second of motion
sir,
how to calculate the distance travelled by a body in 1d motion or freely falling motion during the last second of its motion..
and 1 question is there in 1d motion
u=9m/s due east, a=2 m/s2 due west.
find the distance travelled by the body during its 5th second of motion
dear dashmesh , here is the simple method to solve such type of problems .... distance travelled in n seconds (Sn) = gn2/2 distance travelled in (n-1) seconds (Sn-1) = g(n-1)2/2 distance travelled in nth second = Sn - Sn-1 Snth = g/2 [ n2 - (n-1)2 ] = g/2 [ (2n-1) ] .......................1 this is the formula for finding distance travelled in nth second.... distance travelled during fifth second is S5th at n = 5 S5th = g/2[ (2*5-1)] = 9g/2 (g = 10m/s2) =45m approve my ans if u like it
dear dashmesh , here is the simple method to solve such type of problems ....
distance travelled in n seconds (Sn) = gn2/2
distance travelled in (n-1) seconds (Sn-1) = g(n-1)2/2
distance travelled in nth second = Sn - Sn-1
Snth = g/2 [ n2 - (n-1)2 ]
= g/2 [ (2n-1) ] .......................1
this is the formula for finding distance travelled in nth second....
distance travelled during fifth second is S5th at n = 5
S5th = g/2[ (2*5-1)] = 9g/2 (g = 10m/s2)
=45m
approve my ans if u like it
Here's a formula for the distance traversed by the body in nth second: Snth = u + a/2 (2n-1) u = intial velocity of the body, a = acceleration of the body (with proper algebric signs) you can also apply the same formula for displacement by using vector addition and substraction formula.
Here's a formula for the distance traversed by the body in nth second:
Snth = u + a/2 (2n-1)
u = intial velocity of the body,
a = acceleration of the body (with proper algebric signs)
you can also apply the same formula for displacement by using vector addition and substraction formula.
Snth = u + a/2 (2n-1)by calculas method
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