Answer:
(a): The cyclist is behind the car.
(b): The speed of the car are Vf= 31.97 m/s.
Explanation:
f= 440 Hz
f'= 415 Hz
Vo= 1/3 Vf
Vf= ?
V= 343.2 m/s
f'= f* ( (V-(-Vo) / (V-(-Vf) )
clearing Vf
:
Vf= 31.97 m/s
Vo= 10.65 m/s
Answer:
Explanation:
I guess we are ASSUMING that this is a rear wheel drive car as a front wheel drive car will never get the front wheel normal force to zero
If we consider it as a statics problem and choose our moment center carefully...say 0.7 m above the rear wheel to ground contact point.
Call the traction force at the rear wheels F
The normal force on the front wheels will be zero, so no moment generated by the front wheels.
Summing moments about our chosen point to zero
1600(9.8)[2.6 / 2] - F[0.7] = 0
F = 291,200
this force will create an acceleration of
a = F/m
a = 291200/1600
a = 182 m/s²
which is about 18.6 times gravity acceleration
Answer:
Average acceleration =-2.53m/s^2
Displacement s = 4.2m
Explanation:
I believe that the answer to the question provided above is that <span>the most important process in cooling earth’s surface is the production of oxygen by trees , since it has cooling effect and CO2 is reduced.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
Now let’s say you’re on the Moon. If you were to drop a hammer and a feather from the same height, which would hit the ground first?
Trick Question! On the moon both objects would hit the ground at the same time. On Earth, the hammer lands first.
So yeah, the student is right. Galileo gave us this theory long ago.
