Answer:
The approximate distance traveled by the ball would be 80 meters in 4 seconds.
Explanation:
Given the canon has a horizontal velocity 140 m/s when it is launched from a tower.
We can see that as was fired horizontally the vertical component of the velocity is zero.
Now, the only force that causes ball to fall to the ground is the gravitational force.
Also, it was given that we need to neglect air resistance.
So, this the condition of free fall. We will use its formula
Where,
is the distance traveled vertically.
is the time of fall.
is .
Plugging these values we get,
So, the approximate distance traveled by the ball would be 80 meters in 4 seconds.
Answer:
Angular velocity of tire
Explanation:
Given:
Diameter of tire of an automobile =75.0 cm
Linear velocity of automobile = 90.0 km/hr
To find angular velocity of tire.
Diameter of tire in meters =
Radius of tire =
Linear velocity in meters per second =
Angular velocity is given by :
where represents linear velocity and represents radius of tire.
Plugging in values.
∴ (Answer)
Answer:
Explanation:
Given that
At 17°C ,Lo= 20.09 cm
At 306°C ,L= 20.18 cm
ΔL= 200.18 - 20.09 = 0.09 cm
ΔT = 306 - 17 = 289°C
We know that
ΔL = L α ΔT
α =coefficient of linear expansion
ΔL = Lo x α x ΔT
0.09 = 20.09 x α x 289
Coefficient of linear expansion,
Explanation:
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