A ball was dropped from a bridge that is 105 m above a river. At the same time, a toy water rocket is fired
into the air from a barge that is 1.50 m high, at an
initial velocity of 26.2 m/s. How long after the ball was
dropped will the toy rocket and the ball be at the same
height above the water?* IT
(2 Points)
meters
3.95 S
04.01 s
7.90 S
4.06 s

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.