Answer:
yes
Explanation:
because when you slow down, the resistance slows with the speed.
Answer:
a = - 5 m/s²
Explanation:
The acceleration of the ball can be found by using the general formula of acceleration as follows:
where,
a = acceleration of ball = ?
ΔV = change in velocity = Final Velocity - Initial Velocity
ΔV = - 0.4 m/s - 0.6 m/s = -1 m/s
Δt = time of contact with the wall = 0.2 s
Therefore, using the values in equation, we get:
Therefore, the correct option is:
<u>a = - 5 m/s²</u>
The answer to this question is A - 25 N
Answer:14 m
Explanation:
Given
Vertical jump make by the dolphin is given by
Suppose the dolphin jump with an initial velocity of
so u is given by
If dolphin launches at an angle then maximum horizontal range is given by
assuming the of Dolphin to be Projectile so range is given by
substitute the value of
Range will be maximum for
thus
Answer: Elements in the same period have the same number of electron shells; moving across a period ( elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.