When a rubber ball dropped from rest bounces off the floor, its direction of motion is reversed because; *
1 answer:
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Answer:
The wheel spins for 11.43s. The number cannot be determined.
Explanation:
We know that initial velocity is 124.4 rpm = 13.027137522 rad/s, acceleration is -1.14 rad/s^2, and final velocity is assumed to be 0 rad/s. We are asked to find t and displacement. We use the equation where
,
,
, and
.
Rearrange the equation to obtain . Plug in the numbers and solve to obtain
.
The number of the wheel cannot be determined as we do not know the placement of numbers on the wheel.
Answer:
The value is
Explanation:
From the question we are told that
The distance of friends house from your point is
The distance of your friends street from your street is
The diagram illustrating this question is shown on the first uploaded image
From the diagram we can apply by Pythagoras theorem as follows
=>
=>
=>
