It would <span>keep rolling without slowing down if no friction acted upon it.
</span>
Answer:
1: a measuring instruments the students should use for time is a stopwatch
2: a measuring instruments the students should use for distance is a measuring tape
Explanation:
pls mark brainliest
Answer:
Explanation:
according to Newton First Law of Motion (Law of Inertia); An object at rest will stay at rest, forever, as long as nothing pushes or pulls on it. An object in motion will stay in motion, traveling in a straight line, forever, until something pushes or pulls on it.
the marble will move in a straight line
It will be 9.55 m/s.
as the velocity vector will be
6.38 in vertical direction pointing downwards after 1 second
and the horizontal will be 4.86
the angle between them is 35°
thus using parallelogram law of vector addition
you get
v^2 = 6.38*6.38+4.86*4.86+2(6.38)(4.86)cos35°
v^2 = 40.7044+23.61+26.92
v^2 = 91.24
v = 9.55 m/s