the metal shell of a wrecked car mass 500kg is dropped from a height 10m when the electromagnet holding it is turned off.
a) what is the vertical component of the velocity of the car before it hits the ground?
b) how long did the car take to fall?
c)if the magnet was moving horizontally at a...
After taking a catch brett lee throws the cricket ball in the air in jubilation.
a) the vertical velocity of the ball as it leaves his hand is 20m/s.
how long would it take to return to its original position?
b) what was the ball's maximum vertical displacement?
a ball is thrown horizontally at a speed of 40m/s from the top of a cliff into the ocean below and takes 4.0s to land in water. air resistance can be ignored.
a) what is the height of cliff above sea level, if the thrower hand releases the from a height of 2.0metres above the ground
b) what did...
when object is placed on focus of a convex lens its image is formed at same side virtual and erect but at infinity. my question is can we see the image of object. if yes how because virtual lines in this case runs parallel and never intersect.
orite he might be the worse test bowler but he if 1 of pakistan future look at his age Doug Bollinger stated at age 28 sami is only 29 and pakistan should give him an extended opportunity and pick him in the 1 dayers what do u say guys discuss.