Answer:
(a)
(b)
Explanation:
Let´s use the maximum horizontal distance traveled by a projectile formula:
(1)
So, we know that the maximum distance reached by the Roadrunner is:
=16.5m
if we assume that:
replacing the values in (1)
Using the maximum horizontal distance traveled by a projectile formula again, let´s calculate the maximum distance reached by the Coyote:
=14.5m
Assuming
and replacing in (1)
centigrades
Here We can use principle of angular momentum conservation
Here as we know boy + projected mass system has no external torque
Since there is no torque so we can say the angular momentum is conserved
now we know that
m = 2 kg
v = 2.5 m/s
L = 0.35 m
I = 4.5 kg-m^2
now plug in all values in above equation
so the final angular speed will be 0.37 rad/s
Thanks for sharing that information. After extensive calculation,
we can say with assurance that after some number of seconds,
a loud "crunch" is perceived by the souls aboard the ill-fated vessel.
Answer: 2.5
Explanation:
The mass of bullet = 20kg
The momentum of the bullet = 10kg m/s
The kinetic energy of this bullet in Kj will be calculated as:
= p² / 2m
= 10² /(2 × 20)
= (10 × 10) /(2 × 20)
= 100/40
= 2.5
Therefore, the correct option is C.