Which type of graph is best used to show how a measured quantity changes over time?
a box and whisker plot
b line graph
c circle graph
d histogram

Sound is a disturbance that travels through a medium as a

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point

Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s.when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?