A block of mass m at rest is acted upon by a force F for a time t. The K.E of the block after time t is _______.
A. \(\frac{F t^{2}}{m}\)
B. \(\frac{F^{2} t^{2}}{m}\)
C. \(\frac{F t^{2}}{2 m}\)
D. \(\frac{F^{2} t^{2}}{3 m}\)
Answer:B
A block of mass m at rest is acted upon by a force F for a time t. The K.E of the block after time t is _______.
A. \(\frac{F t^{2}}{m}\) B. \(\frac{F^{2} t^{2}}{m}\) C. \(\frac{F t^{2}}{2 m}\) D. \(\frac{F^{2} t^{2}}{3 m}\)