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

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?