Answer
given,
mass of the ball = 300 g
= 0.3 Kg
maximum altitude of the ball = 10.1 m
Potential energy of the softball:
PE = m g h
PE = 0.3 x 9.8 x 10.1
PE = 29.69 J
Maximum kinetic energy at which the ball is released from hand to reach height of 10.1 m is 29.69 J.
Kinetic energy at which ball returns to your hand is equal to 29.69 J.
speed of the ball
v² = 197.93
v = 14.069 m/s
Matter is a substance and the three types are solid liquid and gas
C.) <span>The total mass of an object can be assumed to be focused at one point, which is called its center of "Mass"
Hope this helps!</span>
Answer:
The angular speed of the disc be at this time is 46.65 rad/s.
Explanation:
Given that,
Angular acceleration
Time t =15.0 s
We will calculate the angular speed of the disc
A disc initially at rest.
So,
Using rotational kinematics equation
Where, = initial angular speed
=final angular speed
= angular acceleration
Put the value in the equation
Hence, The angular speed of the disc be at this time is 46.65 rad/s.