Question

In an expariment to measure the speed of a moving ball it is observed the ball cover a distance of 5m and 20cm in 4 second becore its come to a stop. Calculate the speed of the ball in ms

Answer 1

Answer:

distance =5m and 4cm =5.20

time = 4 sec  

speed = distance ÷time  

speed =5.20 ÷ 4  

speed = 1.3 meter per second

i hope this is helpful

check is the answer right

Answer 2

1.3 ms is the answer