Answer:
T = 25 N
Explanation:
The question says that "A 25 n block is suspended by a wire from the ceiling vitamin the tension that appears in the wire
?"
Weight of the block, W = 25 N
Weight of a body acts in downward direction and tension acts in upward direction. It would mean that,
Tension = weight of the block
T = mg
T = 25 N
Hence, the tension in the wire is 25 N.
Answer:
7.5 m
Explanation:
= initial speed of the ball = 8 m/s
= angle of launch = 40° deg
Consider the motion along the vertical direction :
= initial velocity along vertical direction =
= 8 Sin40 = 5.14 m/s
= acceleration along vertical direction = - 9.8 m/s²
= time of travel
= vertical displacement = - 1 m
Using the kinematics equation
![y = v_{oy}t + (0.5)a_{y}t^{2}](https://tex.z-dn.net/?f=y%20%3D%20v_%7Boy%7Dt%20%2B%20%280.5%29a_%7By%7Dt%5E%7B2%7D)
![- 1 = (5.14)t + (0.5)(- 9.8)t^{2](https://tex.z-dn.net/?f=-%201%20%3D%20%285.14%29t%20%2B%20%280.5%29%28-%209.8%29t%5E%7B2)
= 1.22 sec
Consider the motion along the horizontal direction :
= initial velocity along horizontal direction =
= 8 Cos40 = 6.13 m/s
= acceleration along vertical direction = 0 m/s²
= time of travel = 1.22 sec
= horizontal displacement = ?
Using the kinematics equation
![x = v_{ox}t + (0.5)a_{x}t^{2}](https://tex.z-dn.net/?f=x%20%3D%20v_%7Box%7Dt%20%2B%20%280.5%29a_%7Bx%7Dt%5E%7B2%7D)
![x = (6.13)(1.22) + (0.5)(0)(1.22)^{2](https://tex.z-dn.net/?f=x%20%3D%20%286.13%29%281.22%29%20%2B%20%280.5%29%280%29%281.22%29%5E%7B2)
= 7.5 m
Periods<span> going left to right. The periodic table also has a special name </span>for<span> its vertical columns. Each column </span>is<span> called a </span>group. The elements in eachgroup<span> have the same number </span>of<span> electrons </span>in the<span> outer orbital.</span>
<span>C) mountains; two continental plates meet at a convergent boundary</span>