Motion in A Straight Line

Related Questions

• A body is moving according to the equation \[x = at + b{t^2} - c{t^3}\] where \[x = \] displacement and \[a,\;b\] and \[c\] are constants. The acceleration of the body is

  ---

• The initial velocity of a body moving along a straight line is 7 \[m/s\]. It has a uniform acceleration of \[4\,m/{s^2}\]. The distance covered by the body in the 5th second of its motion is

  ---

• The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of \[2m\] on the surface of A. What is the height of jump by the same person on the planet B

  ---

• A body sliding on a smooth inclined plane requires 4 seconds to reach the bottom starting from rest at the top. How much time does it take to cover one-fourth distance starting from rest at the top

  ---

• The relation between time and distance is \[t = \alpha {x^2} + \beta x\], where \[\alpha \] and \[\beta \] are constants. The retardation is

  ---