Time of flight of projectile launched horizontally An object of mass 8 kg is projected horizontally with a speed of 21.1 ms-1 from the top of the cliff. The height of the cliff
is 41.9 m. Take g, the acceleration due to gravity, to be 9.8 ms-2.
The object is in flight for
O a. 2.9 s
O b. 4.15
O c. 8.6 s
O d. 14.3 s
O e. 2.1s
Check

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?