Why are the oldest parts of the ocean floor no older than about 200 million years
1 answer:
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The velocity equation is
Known facts:
- t = 3.83s
- a= -3.04
- intial velocity = 0
Plug into equation known quantities:
Thus the final velocity is -11.6432m/s
Hope that helps!
Answer:
21 m
Explanation:
The motion of the frog is a uniform motion (constant speed), therefore we can find the distance travelled by using
where
d is the distance covered
v is the speed
t is the time
The frog in this problem has a speed of
v = 2.1 m/s
and therefore, after t = 10 s, the distance it covered is
Answer:
0.528m
Explanation:
a)58.7 cm = 0.587 m
Let g = 9.8m/s2. When the frog jumps from ground to the highest point its kinetic energy is converted to potential energy:
where m is the frog mass and h is the vertical distance traveled, v is the frog velocity at take-off
b) Vertical and horizontal components of the velocity are
The time it takes for the vertical speed to reach 0 (highest point) under gravitational acceleration g = -9.8m/s2 is
This is also the time it takes to travel horizontally, we can multiply this with the horizontal speed to get the horizontal distance it travels