Mainpool55

A construction worker accidentally drops a brick from a high scaffold. What is the velocity of the brick after 4.0 s?

• 39 m/s

• -39 m/s

• 33 m/s

• -33 m/s

Sum applied a force to the west against Mariam the force , if the box has a mass of 5 kg. what will be the acceleration.

“ hint use Newton second law “

• 0

• 5

• 10

• 2