Question 5 A stone is thrown from the top of a building with an initial velocity of 20.0 m/s upward. The building is
50.0m high, and the stone just misses the edge of the roof on the way down. Determine
a. the time to reach the maximum height.
(2 marks)
b
b. the maximum height.
(2 marks)
c. the time needed to return to the throwers height.
(2 marks)
d. the velocity and position of the stone at t = 5.00s.
(2 marks)​

An alligator swims to the left with a constant velocity of 5 \,\dfrac{\text{m}}{\text s}5 s m ? 5, space, start fraction, m, divided by, s, end fraction. when the alligator sees a bird straight ahead, the alligator speeds up with a constant acceleration of 3 \,\dfrac{\text {m}}{\text s^2}3 s 2 m ? 3, space, start fraction, m, divided by, s, start superscript, 2, end superscript, end fraction leftward until it reaches a final velocity of 35 \,\dfrac{\text {m}}{\text s}35 s m ? 35, space, start fraction, m, divided by, s, end fraction leftward. how many seconds does it take the alligator to speed up from 5 \,\dfrac{\text {m}}{\text s}5 s m ? 5, space, start fraction, m, divided by, s, end fraction to 35 \,\dfrac{\text {m}}{\text s}35 s m ? 35, space, start fraction, m, divided by, s, end fraction?

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road